Home

Explain the histological structure of ovary

What is the histological structure of ovary? The surface of the ovaries is covered with membrane consisting of a lining of simple cuboidal-to-columnar shaped mesothelium, called the germinal epithelium. The outer layer is the ovarian cortex, consisting of ovarian follicles and stroma in between them ovaries It is the female reproductive gland that releases sex hormones such as oestrogen and progesterone. It helps in regulating egg/ova maturation and control changes in female's body Histology of ovary 1. Ovary Objectives 2. Ovary • Size: 3x1.5x1 cm • Location: Lateral pelvic wall • Coverings:Extension of mesovarium forming germinal epithelium, overlying tunica albuginea • Parts:Cortex & Medulla 3. Development of Ovary 4 Click here to get an answer to your question ️ explain the histological structure of the ovary in human KP132867 KP132867 01.11.2020 Biology Secondary School answered Explain the histological structure of the ovary in human 2 See answer PDF | On Dec 1, 2014, Zaki Al-Hasawi and others published Study of Histological Structure of Ovary | Find, read and cite all the research you need on ResearchGat

What Is The Histological Structure Of Ovary

So the histology of ovary means study of ovary. Ovary The histological section comprises stroma and parenchyma. The stroma is thin and represented by thick collagenous fibres; The parenchyma represented by the ovarian follicles; 3. he ovarian follicles (early primary follicle, late primary follicle, antral follicle, mature Graafian follicle) ar Describe the histological structure of the ovary and the stages of ovarian follicle development. In your answer give details of the cell types present and their characteristics and specialisations during follicular development. Question: Describe the histological structure of the ovary and the stages of ovarian follicle development. In your. Histological overview of the ovary and stages of follicular developmen This page will describe the histological changes in the ovary throughout the course of the menstrual cycle. Ovary. The human ovary consists of an inner medulla and outer cortex with indistinct boundaries. The medulla contains the blood vessels and nerves, while the cortex is occupied by developing follicles

Ovarian follicles This image shows primordial follicles. Can you identify them, together with the tunica albuginea - the thick collagenous capsule, together with the germinal epithelium that covers it, and the connective tissue in the cortex of the ovary, known as the stroma Histogenesis of OECs The cell of origin of OEC is controversial. Ovarian carcinogenesis is likely explained by the plasticity of the surface mesothelial epithelium to undergo metaplasia to müllerian epithelium. According to the currently favored hypothesis, the surface (coelomic) epithelium is the source of OEC (10) The ovaries are considered the female gonads. Each ovary is whitish in color and located alongside the lateral wall of the uterus in a region called the ovarian fossa. The ovarian fossa is the region that is bounded by the external iliac artery and in front of the ureter and the internal iliac artery. This area is about 4 cm x 3 cm x 2 cm in size 20. Describe the histological structure of ovary. 21. Describe the histological structure of adrenal gland. 22. Describe histological structure of stomach. 23. Describe histological structure of ovary. 24. Explain Histological structure of liver. 25. Explain histological structure of Testis. 26. Describe histological structure of duodenum The Histological Structure of the Ovary in Cases of Virilism. Axel Westman, The Department of Women's Diseases, Karolinska Sjukhuset, Stockholm, Sweden.

Video: Explain the histological structure of ovary in human ovary

Histology of ovary - SlideShar

Histological Study. The uterus and ovary harvested and fixed in Formaldehyde10% were dehydrated in an ascending grade of (ethanol), cleared intoluene and embedded in paraffin wax. Serial sections of 5 micronsthick were obtained using a rotatory microtome (Leica RM2125RTS, Allemagne) Basic function, structure, subdivisions, and major cell types of the oviducts (Fallopian tubes). The three major regions of the uterus and the functions they subserve. Structural subdivisions of the uterine wall and how to recognize the different cell types within each subdivision in histological specimens What is the histological structure of ovary? The surface of the ovaries is covered with membrane consisting of a lining of simple shaped mesothelioma. The outermost layer is called the germinal epithelium. outer layer is the ovarian cortex, consisting of ovarian follicles and stoma in between them Ovary; Ovary; Histology. This section of dentaljuce has over 400 histological slides, showing tissues from all organ systems in their healthy state. Each tissue/organ slide set has an explanatory accompanying text which desribes its structure, function and role

Structure. The ovaries are a bilateral pair of flattened, egg-shaped, intraperitoneal discs that reside just within the true pelvis. They are longer than they are wide and altogether smaller than their male homologue, the testes. The organs have superior and inferior poles, as well as anterior, posterior, medial and lateral surfaces not explain the histological interpretation in detail. Villaluz et al. (1969) adopted five categories in ovarian development which were temporarily cited from Rao (1968). This paper deals with information on histology of ovarian development of wild P. monodon Fabricius

Mature ovaries of 16 and 14 specimens of M. senegalensisand M. polliwere analyzed respectively. The size range and the dates of capture were similar for both species. Ovaries were preserved on board in 10% buffered formalin and a portion of the central part was processed by a standard histological technique Tissue structure of ovary and oviduct in nine Tupaia glis was observed by light and electronmicroscopy.The observation demonstrated that the structure examined has their characteristics compared to those of other mammalian as follws:(1) the ovary capsule is in a state of pitting notch to its parenchyma,(2) the amount of primordial follicle is less and almost in signal rank,(3) its Zona. Aug 19, 2020 - Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube A study of the histological structure of mouse ovaries following exposure to roentgen irradiation. @inproceedings{Murray1931ASO, title={A study of the histological structure of mouse ovaries following exposure to roentgen irradiation.}, author={J. Murray}, year={1931}

explain the histological structure of the ovary in human

  1. 12.6.4: Describe the structure and main histological features of the uterine tubes 12.6.5: Describe the structure and main histological features of the ovary. 12.7
  2. The actual size of an ovary depends on a woman's age and hormonal status; the ovaries, covered by a modified peritoneum, are approximately 3-5 cm in length during childbearing years and become much smaller and then atrophic once menopause occurs. A cross-section of the ovary reveals many cystic structures that vary in size
  3. The uterus, also known as the womb, is an about 8 cm long hollow muscular organ in the female pelvis and lies dorsocranially on the bladder.It consists of several anatomical parts, such as the cervix, isthmus, and body. While its anatomy sounds simple, its histology is more complicated. It consists of three major layers, but the exact histological structure depends upon the state - if it is in.
  4. A HISTOLOGICAL STUDY OF OVARIAN TUMORS IN DIFFERENT AGE GROUPS Monika Malli 1, Bhavesh Vyas2, Sunita Gupta , is difficult because complex structure of ovary. The Knowledge about the ovary dates from the time of Hemophilus but the real term 'Ovary' was introduced early in the seventeenth century..

(PDF) Study of Histological Structure of Ovar

The Ovaries - Structure - Ligaments - Vascular Supply

Understand and describe histological structure of ovaries, fallopian tube, uterus and vagina, and explained their functions related to their structure. Endocrine System: Understand and describe the histological structure and functions of the following glands: 1. Pituitary 2. Thyroid 3. Parathyroid 4. Adrenal 5. Islets of Langerhans. Eye and Ear: 1 Explain & Illustrate the Histological structure of prostate Relate their structure to their function. Excretory Genital Ducts / Accessory Genital Glands Female Reproductiv e System Ovaries / Oviducts Describe histological structure of ovaries, fallopian tubes, uterus, vagina & external Genitalia Uterus / Vagin An overview of the female chicken reproductive system helps explain why hens lay eggs in clutches. The reproductive system of a chicken hen is made up of two parts: the ovary and the oviduct. Ova (yolks) develop in the ovary. When an ovum (singular of ova) has matured, it is released from the ovary into the oviduct Ovaries are paired, plum-shaped, whitish organ measuring about 3 cm in length, 1,5 cm in width and 1 cm in thickness. The surface of the ovary is smooth, but in reproductively mature woman is the surface distorted by scarring that follows the release of oocyte from follicle. The ovarian tissue is divisible into two different regions

1 Histology of the ovary including the histological

The dermis is a connective tissue layer sandwiched between the epidermis and subcutaneous tissue. The dermis is a fibrous structure composed of collagen, elastic tissue, and other extracellular components that includes vasculature, nerve endings, hair follicles, and glands. The role of the dermis is to support and protect the skin and deeper layers, assist in thermoregulation, and aid in. and identification have been put forward to explain the intricacies of mucins. The simplest, yet a lucid method to identify mucins by routine light microscopy were employed in the present study [4]. Their general structure and biochemical composition provides protectio NEET CBSE JKBOSE ICSE 100℅ SUCCESS class 12 biology chapter 3 human reproduction class 12 topics discussedlongitudinal section of ovarystructure of ovary..

بحث . بحث. عن الكلية. تعرف علينا; الأسئلة الشائع 2. Subtype Classification. Although the term ovarian cancer implies a unitary disease, from the perspective of the pathologist it was apparent as early as the 1930s that it was more appropriate to classify ovarian neoplasms as multiple distinct entities through the lens of histopathology [].This culminated in the 1973 WHO guidelines, which signified the first systematic attempt to.

Interstitial, theca and granulosa cells, typical of steroid-producing cells, contain numerous lipid droplets. Inhibition of the synthesis of steroid hormones may allow the accumulation of lipids in the ovarian stromal cell cytoplasm to give rise to histological appearances of fatty change Oocyte-specific deletion of Gsα induces oxidative stress and deteriorates oocyte quality in mice The stimulatory heterotrimeric Gs protein alpha subunit (Gsα) is a ubiquitous guanine nucleotide-binding protein that regulates the intracellular cAMP signaling pathway and consequently participates in a wide range of biological events. In the reproductive system, despite Gsα being associated. Fig.4.Histological section of ovary from Letrozole group (B4) showing multiple follicular development , Graafian follicles (blue arrow), antral follicle (green arrow) Fig 5.Histological section of ovary from Clomiphene citrate group (C1) showing histological features of graafian follicle, nucleated antrum (red arrow), stratu One idea to explain the diverse histological subtypes is that ovarian surface epithelial cells undergo metaplasia to adopt various histological characteristics during transformation , . Another idea is that ovarian cancer may arise from the remains of mullerian duct structures [6] , which are precursors of the fallopian tubes, cervix, uterus. Sertoli Cell Wt1 Regulates Peritubular Myoid Cell and Fetal Leydig Cell Differentiation during Fetal Testis Development Sertoli cells play a significant role in regulating fetal testis compartmentalization to generate testis cords and interstitium during development. The Sertoli cell Wilms' tumor 1 (Wt1) gene, which encodes ~24 zinc finger-containing transcription factors, is known to play a.

Review: ICD-O Structure & Format. Here is what we have learned from ICD-O Structure & Format: ICD-O is a dual classification with coding systems for both topography and morphology. In ICD-O, the topography code describes the site of origin of the neoplasm, and the morphology code describes the cell type of the tumor and its biologic activity graafian follicle [graf´e-an] a small sac, embedded in the ovary, that encloses an ovum. At puberty each ovary has a large number of immature follicles (primordial follicles), each of which contains an undeveloped egg cell. About every 28 days between puberty and the onset of menopause, one of the follicles develops to maturity, or ripens, into a. Malignant transformation is rarely seen in the disease course of mature cystic teratoma (MCT) of the ovary. Adenocarcinoma arising from MCT is especially rare. We herein present the case of a premenopausal woman with a mucinous borderline‐like tumor arising from a MCT. Based on the histological transition between the borderline‐like tumor and gastrointestinal elements of the MCT, we.

Ovary endometriosis is a wide-spread disease that effects reproductive-aged women, causes reproductive dysfunction, and lowers quality of life. The objective was to observe the pathomorphologic structure of ovary endometriosis, estimate its proliferative potential. Methods and patients. 130 women with ovary endometriosis were observed Despite all scientific studies, researches are continuing to increase outcomes of freezing ovarian tissue. The objective was to evaluate whether follicular perforation could improve the survival of antral follicles after vitrification. The present study was conducted on 20 bovine ovaries collected at slaughterhouse and a total of 344 antral follicles (less than 4 mm in diameter). For each. Biological requirements for tumor cell proliferation include the sustained increase of structural, energetic, signal transduction and biosynthetic precursors. Because lipids participate in the self-assembly of phospholipids to form biological membranes, they play important roles in membrane construction, energy storage, and cell signaling. We hypothesized that the differences in lipids between. in the control group) might explain the evaluation process [11]. In epitome, based on histological studies, a detrimental effect on the ovarian follicular structure may already be present before surgery in women with endometrioma. However, there are some contradictory findings, too. In a retrospec-tive analysis, number of antral follicles an #dentin #oral_histology #عزت_شومان يتناول هذا الفيديو شرح النقطة السادسة من شابتر ال dentin وهي ال histological structure of dentin والتب.

The extract also led decreased in the numbers of ovarian follicles and their degradation. In some instances the microscopically preparations of the mid gut of the housefly have also shown that this aqueous extract has seriously affected the histological structure of the alimentary canal particularly the mid gut Ovarian cancer is the second most common cancer of the reproductive organs among females in the United States. It most commonly occurs between the ages of 50 and 65 but can occur in younger or older people as well. For a person with ovaries, the lifetime risk of developing ovarian cancer is approximately 1.4 percent

Ovarian sections from MNU-exposed offspring revealed shrinkage of the entire ovary, increased number of atretic primary follicles, and disintegrated germinal epithelium . On the other hand, the ovarian sections from offspring of rats supplemented with A. muricata and/or BV displayed remarkable restoration of damaged histological structures. A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues. It frequently consists of skin, hair follicles, and sweat glands, while other commonly found components include clumps of long hair, pockets of sebum, blood, fat, bone, nail, not teeth, eyes, cartilage, and thyroid tissue.. As dermoid cysts grow slowly and contain mature tissue. Describe the histological structure of voary? Describe the process in brief. 3.1k. 1.2k. Related Videos. View All. Describe the histological structure of skeletal muscle. 179995140 . 000+ 1.7k. 8:56 . Describe in brief the structure of human eye. 119555446 . 600+ 13.4k. 0:0 . What is fertilization? Describe, in brief, the process of.

The ovaries (8-15 cm in size) of fetal calves getting from five black and white cows were studided by light and electron microscope. It was found that the ovaries were covered by both simple and stratified columnar epithelia. The cells in the area of the stratified epithelium have a very strong proliferating ability, their processes penetrated the basement membrane and extended into the. Explain the histological structure of the mammalian ovary. Answer: The ovary is a female gonad: It produces female sex cells called ova and the female sex hormones. Histologically the ovary is composed of fibrous connective tissue. Its central part is called the stroma. It contains blood capillaries and nerve fibers Polycystic ovary syndrome - multiple cysts in both ovaries due to complex hormonal disturbances of the hypothalamic-pituitary-ovarian-adrenal axis - presents with menstrual irregularities - cause of infertility Ovarian neoplasms Introduction [Fig. 15-12] - second most common group of tumors of female reproductive trac A primitive malignant germ cell tumor characterized by a variety of distinctive histological patterns, some of which recapitulate phases in the development of the normal yolk sac. The major female sex hormone, responsible for many physiologic functions in the body. Estrogen is made by the ovaries and adrenal gland Abstract. The epithelial ovarian carcinomas, which make up more than 85% of human ovarian cancer, arise in the ovarian surface epithelium (OSE). The etiology and early events in the progression of these carcinomas are among the least understood of all major human malignancies because there are no appropriate animal models, and because methods to culture OSE have become available only recently

31. The anatomy, histology and development of the ovary ..

  1. Anatomy1) Classify the skeletal muscles according their fascicular architecture. Give an example of each type. Also add short note on their histology, including sarcoplasm. Draw the histological structure of bone. (3+2+5=10)2) Write short notes on: (2.5 X 2 = 5)a) Adductor canalb) Femoral triangle3) What is Waldeyer's ring
  2. Should be able to explain the embryonic development, anatomical and histological structure of endocrine, excretory and reproductive system. Should be able to explain structure, synthesis and LO-200-4-10 Should be able to say genital organs of male and female, histological changes in ovarian cycle, to explain gametogenesi
  3. Professor Geoffrey Meyer BSc (Hons) PhD FRSB. Geoff Meyer retired from the School of Anatomy, Human Biology and Physiology University of Western Australia (UWA) in 2016 after being the course coordinator/chairman and teaching all Histology courses for Medical, Dental, Biomedical Sciences and Allied Health degree programmes for more than 38 years
  4. The anatomy, histology and development of the testis, epididymis and ductus deferens. They send signals via a nervous impulse. Histology, also known as microscopic anatomy or microanatomy, is the branch of biology which studies the microscopic anatomy of biological tissues. It is a chronic neurodegenerative condition which affects the elderly population among our country. Neural development is.
  5. Since the histological structure of the gonads of reciprocal C. taenia and C. elongatoides F1 hybrids did not diverge, they are described below together. All hybrid females had a single ovary. In 7-month-old females, the ovaries were in the II stage of maturity with mainly oocytes in the prophase (diplotene) of the first meiotic division (Fig.
  6. Ovarian tissue collected by biopsy procedures allows the performance of many studies with clinical applications in the field of female fertility preservation. The aim of the present study was to investigate the influence of reproductive phase (anestrous vs. diestrous) and ovarian structures (antral follicles and corpus luteum) on the quality, class distribution, number, and density of.
  7. ation, the final diagnosis was deter

Ovary - Structure, Development, Function, Parts and Picture

The parenchyma of the testicle is divided into lobules by loose connective tissue bands (septuli testes). These lobules are composed of tubules lined by stratified epithelium composed of maturing germ cells (spermatogonia, spermatocytes, spermatids and spermatozoa) and Sertoli cells. These tubules are supported by a basement membrane which. Ovarian cancer is a deadly disease for which there is no effective means of early detection. Ovarian carcinomas comprise a diverse group of neoplasms, exhibiting a wide range of morphological characteristics, clinical manifestations, genetic alterations, and tumor behaviors. This high degree of heterogeneity presents a major clinical challenge in both diagnosing and treating ovarian cancer Per definition, an ovarian cyst is a fluid‐filled structure (Olson et al. 1989) of any size present outside physiological prooestrus and oestrus within the ovary (Johnston et al. 2001). It can occur solitaire or multiple on one or on both ovaries (Dow 1960 ) and is endocrine active or inactive (Olson et al. 1989 ) structure (an ovarian follicle) to its distance from potential nearby However, this hypothesis cannot explain the absence of global initiation of follicle growth in the neonatal mouse ovary, which apply our method to histological sections of mouse ovary at 3 time points (days 4, 8, and 12 post partum)

The Ovary - University of Leed

Studies of the tumour by electron microscopy showed the columnar cells of the acini to have the structure of intestinal epithelium and confirmed the histological demonstration of argentaffin cells. This offers support for the theory that occasional androblastomas may develop as variants of a teratoma The female reproductive system, as illustrates for the cow in Figure 2-1,consists of two ovarians and the female duct system. The duct system includes the oviducts,uterus,cervix,vagina,and vulva. The origin of the ovaries is the secondary sex cords of the genital ridge. The genital ridges are first seen in the embryo as a slight thickening near [ 75. Describe the histological features of the lymphatic vessels. 76. Describe the histological features of the spleen, thymus and lymph node. Embryology Revision LOB covered during lab practical: 77. Identify the major types of cells in a blood smear. 78. Identify the structure of spleen, thymus and lymph nodes in a microscopic specimen histological structure of the guts in various stages of the insect of Api smellifera jemenatica in both the queen and worker bees cast. The lack of the studies investigation the histological structure and virtual changes in the histological structure of the honey bees during its different stages of growth in all parts and sections.

Histology of Ovary - Science Reckone

These findings indicate that the pool of dormant oocytes was almost established in the ovary by P3. This is consistent with the previously documented dynamic change of histological structure in the perinatal ovaries, during which many of the oocytes are eliminated by apoptosis and then single oocytes are enclosed by granulosa cells The structures in STM10-12 possess the histological and histochemical characteristics of smooth muscles fibers intertwined together with collagen fibers, resembling the contractile structure in. The reproductive characteristics and ovarian development in cotton rats (Sigmodon hispidus, CRs) are unclear, although CRs are commonly used as animal models in biomedical research. We previously reported that young (6-8 weeks) CRs showed multi-oocyte follicles (MOFs) and double nucleated oocytes (DNOs) in different stages of follicles. The developmental changes in neonatal CR ovaries were. -The structure of the dye molecule -The shape of the dye molecule -The charge distribution of the dye -Solvent characteristics . Some Basics of Dye Chemistry • Acidic pH (< 7) ***Acidophilic Stains -higher concentration of H+ -Some tissue molecules will bind H+ and wil Comparisons were made by means of histological staining, immunofluorescence and tissue scanning. Image processing and tailored bioinformatic analysis were used to enable spatiotemporal quantitative evaluation of elastic system component deposition in the human ovary over its lifetime

Describe the histological structure of the ovary and

  1. The corpus luteum is formed in the ovary and is made up of a cell type called the lutein cell.Lutein cells are granulous cells with a pale cytoplasm that is rich in lipids that will begin to develop and build up fatty lipids and yellow pigment within the lining of the follicle. This lends the tissue a yellow appearance. The corpus luteum is thought of as a temporary endocrine structure
  2. Malignant lesions of the ovaries include primary lesions arising from normal structures within the ovary and secondary lesions from cancers arising elsewhere in the body. Primary lesions include epithelial ovarian carcinoma (70% of all ovarian malignancies), germ-cell tumors, sex-cord stromal tumors, and other more rare types
  3. The histological similarities between the cervical and ovarian carcinomas are evidence of a common origin. The presence of AIS in the cervix supports that the cervical carcinoma is primary and the bilaterality and absence of benign or borderline mucinous tumour in the ovaries supports that the ovarian carcinoma is metastatic
  4. ation
  5. The ocular surface of the white domestic pig (Sus scrofa domestica) is used as a helpful model of the human ocular surface; however, a complete histological description has yet to be published. In this work, we studied porcine eyeballs with intact eyelids to describe and characterize the different structures that form the ocular surface, including the cornea and conjunctiva that covers the.
  6. Endometriosis is a chronic gynecologic disease characterized by the development and presence of histological elements like endometrial glands and stroma in anatomical positions and organs outside of the uterine cavity. The main clinical manifestations of the disease are chronic pelvic pain and impaired fertility. The localization of.
  7. Structure: An ovum is generally spherical, non-motile gamete with yolky cytoplasm and enclosed in one or more egg envelopes. Size of ovum varies in different animals and depends upon the amount of yolk. Size of ovum varies from 10 to a few cm. Largest sized egg is of ostrich and is about 170 x 135 mm. Egg size and yolk amount are interdependent

Histological Structure of the Ovary 4K - YouTub

Simple cuboidal epithelium is a type of simple epithelium consisting of cube-shaped cells with rounds and more or less centrally located nucleus. They are mostly derived to suit the function of the particular organs better. Because the simple cuboidal epithelium has a single layer of cells, all the cube-shaped cells are directly attached to the basement membrane INTRODUCTION. Ovarian cancer remains a serious disease, with an estimated 238,700 newly diagnosed cases and 151,900 deaths in 2012 worldwide. 1 Despite exhaustive efforts to detect early-stage ovarian cancers, greater than two-thirds of ovarian cancer patients are diagnosed at an advanced stage (International Federation of Gynecology and Obstetrics (FIGO) stage III or IV), resulting in low. Ovarian cortical fragments were obtained using biopsy grasping forceps from an avascular portion of the ovary devoid of visible follicles or luteal tissue, and before electrocoagulation of the puncture site. The specimens were immediately transported to the laboratory in Leibovitz L-15 medium (Eurobio, Les Ulis, France) at 4°C

Video: Ovary and Follicle Development - Yale Universit