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Tuesday, August 18, 2020 | History

2 edition of cyclic changes of epithelial cords in the dog ovary ... found in the catalog.

cyclic changes of epithelial cords in the dog ovary ...

Eleanor Phillips Barton

cyclic changes of epithelial cords in the dog ovary ...

by Eleanor Phillips Barton

  • 99 Want to read
  • 26 Currently reading

Published by Press of the Wistar institute of anatomy and biology in Philadelphia, Pa .
Written in English

    Subjects:
  • Dogs.,
  • Ovaries.,
  • Epithelium.

  • Classifications
    LC ClassificationsQL881 .B3
    The Physical Object
    Pagination317-349 p.
    Number of Pages349
    ID Numbers
    Open LibraryOL191981M
    LC Control Numbera 47004418
    OCLC/WorldCa31274643

    Comment: Proliferation of the epithelium lining the surface of the ovary appears as small polypoid projections from the epithelial surface and as downgrowths of cords of cuboidal epithelium cells with basophilic cytoplasm (Figure 1 and Figure 2). Epithelial cell hyperplasia is thought to be derived from the mesothelium lining the ovarian surface.   comment: Proliferation of the epithelium lining the surface of the ovary appears as small polypoid projections from the epithelial surface and as downgrowths of cords of cuboidal epithelium cells with basophilic cytoplasm (Figure 1 and Figure 2).Epithelial cell hyperplasia is thought to be derived from the mesothelium lining the ovarian surface.

    The ovary and reproductive cycle of the dog (beagle) Unknown Binding – January 1, by Allen C Andersen (Author) See all formats and editions Hide other formats and editions. Enter your mobile number or email address below and we'll send you a link to download the free Kindle App. Author: Allen C Andersen. Ovarian tumors are relatively uncommon in domestic animals, with most examples described in dogs, cats, and horses. These ovarian neoplasms are generally classified as epithelial, germ cell, or sex cord Cited by:

      Ovary tumor - Sertoli-Leydig cell tumor. May occur sporadically or in patients with DICER1 syndrome ( Pleuropulmonary Blastoma; PPB [Accessed 21 September ]) Rare tumor predisposition syndrome caused by germline mutations in DICER1, a gene encoding the RNase III enzyme in the microRNA maturation pathway (N Engl J Med ;, Br J Cancer ;). Epithelium (/ ˌ ɛ p ɪ ˈ θ iː l i ə m /) is one of the four basic types of animal tissue, along with connective tissue, muscle tissue and nervous lial tissues line the outer surfaces of organs and blood vessels throughout the body, as well as the inner surfaces of cavities in many internal organs. An example is the epidermis, the outermost layer of the :


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Cyclic changes of epithelial cords in the dog ovary .. by Eleanor Phillips Barton Download PDF EPUB FB2

These conditions may affect health, fertility or even the life of the animal. Literature related to ovarian cysts and neoplasia in dogs was assessed to summarize studies and case series on ovarian cysts and primary ovarian tumours in regard to epidemiologic, clinical and fertility by: Barton, E.P., The cyclic changes of epithelial cords in the dog ovary.

Morphol.,PubMed CrossRef Google Scholar. Brambell, F.W.R., The development and morphology of the gonads of the mouse I: the morphogenesis of the indifferent gonad and of the ovary. Duke K.L.

() Comparative Aspects of the Mammalian Ovary. In: Motta Cited by: 3. In 58 dogs in which the uterus was examined, cystic endometrial hyperplasia was seen in 39 (67%). Where- as 18 of 19 dogs (95%) with sex cord stromal tumors and all dogs with granulosa cell tumors had cystic en- dometrial hyperplasia, only 17 of 31 dogs (55%) with epithelial tumors, and none with malignant teratoma, had this change.

Ovarian Disorders in DomesticAnimals are generally classified as epithelial, germcell, orsexcord-stromal tumors. Introduction Within the cortex and medulla of the canine ovary are cords of cells that have been termed pseudotesti-cular tubules or granulosa cell cords.

Although these. In dogs, ovarian cysts include the fluid-filled structures of any size present within the ovaries, outside physiological proestrus and estrus; they may be unilateral or bilateral.

Although ovarian cancer is not very common, it does tend to affect older dogs more often, especially dogs that have not been spayed already. Detecting symptoms in the early stages may help the dog avoid cancerous tumors spreading throughout the body. Epithelial neoplasia of the ovary.

Epithelial tissues of the ovary in the dog includes the surface 'germinal epithelium', which is modified mesothelium, subsurface epithelial structures derived from the surface epithelium, and the rete ovarii derived from mesonephric tubules and or cords.

The bursa of the ovary is an extension of the mesovarium that almost completely surrounds the ovary in dogs. In cats it is only on the lateral surface of the ovary.

In the dog, there is a small clear area on the lateral surface. This is described by McEntee () as an. Start studying Pathology of the Ovaries. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

Ovarian changes of echogenicity or volume more than _____ ml should be considered suspicous. Epithelial Tumors that cover the ovary and underlying stroma are called. Which one of the following statements about ovarian torsion is false. Ovarian torsion is usually associated with a mass.

Torsion frequently involves the ovary and the fallopian tube. The ovary appears enlarged. The left ovary is three times more likely to develop torsion than the right. A cuboidal surface epithelium was present on the ovaries, with frequent invaginations of tubules and epithelial cords (Figure 3) similar to those observed in normal adult ovaries (9).

Numerous epithelial cords were present throughout the cortex; some extended into the medulla. Two follicle-like structures were observed in the medulla of one by: The data presented in this book are largely an interesting by-product of a long-term study on the effects of whole-body X-irradiation on reproduction and lifespan in female Beagles carried out at the University of California.

The book is divided into six parts. Part I consists of an introductory note on materials and methods followed by an ultra-short resume (in five pages of text) of the Cited by: The cords are always separated from the stroma by a basal lamina, and the stroma expands laterally below the outermost layers of GREL cells forming a subepithelial basal lamina, establishing an epithelial-stromal interface.

Subsequently, a mature surface epithelium develops from the GREL cells on the surface of the ovary primordium.

Ovarian Tumors Description – Ovarian tumors are almost unheard of in dogs. However, they can be categorized based on their cell origin. They are epithelial tumors, germ cell tumors and sex cord stromal cell tumors.

Epithelial tumors and sex cord stromal tumors together account for % of all canine ovarian. Ovarian cysts may affect female dogs and are not a life threatening n cysts rarely turn into malignant tumors, but the cysts should be monitored periodically.

If the cysts don’t cause any discomfort and the dog is not used for breeding purposes, the cysts don’t require surgery or any type of.

Differentiating between early neoplasia and epithelial changes due to normal cyclic hormone changes is sometimes difficult. The purpose of this investigation was to describe the normal cyclic changes in histomorphology and steroid hormone receptor distribution in the genital tract of normal free‐ranging female California sea lions throughout Cited by: 9.

Human Ovarian Surface Epithelial Cells. More Views. Human Ovarian Surface Epithelial Cells Catalog # Email to a Friend. Be the first to review this product. Isolated from human ovary.

HOSEpiC are cryopreserved at passage one and delivered frozen. Each vial contains >5 x 10^5 cells in 1 ml : $ Skin tumors are relatively frequent, especially in dogs, horses, cattle and cats. There is a variable incidence, but especially a large diversity of tumor types in the different species of domestic animals.

It is admitted that the classification of skin tumors is difficult due to the complex structure, as well as to the ectodermal and mesodermal origin of skin components, to which structural Cited by: 1. In dogs, monodermal teratomas usually present as thyroid parenchyma within ovarian stroma.

Concurrent granulosa cell tumor (which are the most common canine ovarian tumor) and teratoma have also been reported in the dog. Clinically-affected dogs are usually young entire females up to 6 years of age with symptoms referable to an ovarian mass. High-Grade Serous Ovarian Carcinoma (HGSC) is the most incidental and lethal subtype of epithelial ovarian cancer (EOC) with a high mortality rate of nearly 65%.

Ovarian Cysts in Dogs. There are three kinds dog ovarian tumors: epithelial tumors (skin/tissue), germ cell tumors (sperm and ova), and stromal tumors (connective tissue).The most common type of ovarian tumor in dogs is ovarian carcinomas.

Mammalian ovaries undergo considerable remodeling during the lifetime of the organism, leading to the supposition that somatic stem cells account for or contribute to this cyclic regeneration.

While much of ovarian stem cell research has been focused on germ cells, recent interest in normal somatic stem cells has been driven by their possible links to ovarian cancer stem by:   Ovulation: induces cyclic rupture and regenerative repair of the ovarian surface epithelium Histology Ovaries are covered by surface epithelium (OSE), which is a modified mesothelium, also called coelomic or germinal epithelium (Reprod Biol Endocrinol ;).