Reproductive histology of the ovary view related images. Abnormal findings that may be encountered on microscopic examination of the ovary and that may create problems in interpretation are also discussed. Normal female reproductive tract histology ovary 1. The ductus epididymidis is lined by columnar epithelium with stereocilia and has a wall of smooth muscle cells. Staging of ovarian carcinomas in hens was performed with reference to the figo system for human ovca with emphasis on. The uterus is a muscular organ, and its mucosal lining undergoes hormone dependent changes. After informed consent, the 61 patients underwent ovarian biopsies per laparoscopy. Green rr 1958 histology of human ovary during pregnancy. The medulla contains the blood vessels and nerves, while the cortex is occupied by developing follicles.
This system produces the female gametes oocytes, provides the environment for fertilization, and holds the embryo during its complete development through the fetal stage until birth. The normal surface area of the ovary is between 2 and 6 cm 2 halligan et al. About 20 primordial follicles start developing in each cycle, but only one makes it. The female reproductive system is composed of highly specialized organs which are in a state of constant change, from the sequential alterations characteristic of each menstrual cycle to the dramatic changes that occur during pregnancy. Ovaries, embryonic stage, menopausal age, follicles, haematoxylin. Genes such as wnt4 and dax1 necessary for initiation of female pathway ovary development, female gonad is not considered a default process initial gonad development in females and males is virtually. Histological observation of the development of follicles and.
It examines the correlation between structure and function. We will also have a look at the mammary gland, an accessory reproductive gland. Media in category histology of the human ovary the following files are in this category, out of total. Anatomy of ovary only structure in abpelvis cavity that is extra peritoneal general info. The female genital system is dynamic in both the mouse and the human, with varying morphologic appearance based on hormonal influences during estrusmenstrual cycle, pregnancy, and. The anatomy, histology and development of the ovary. Normal uterine anatomy and histology in the nonpregnant. Significance of ovarian histology in the management of.
The normal gross and microscopic morphologic features of the ovary are described. Ovulation is the release of an oocyte and occurs every 2830 days. What stage of the menstrual cycle would fit this description of the uterus. Choose from 461 different sets of ovary testes histology human flashcards on quizlet. The usually paired ovaries of female vertebrates produce both the sex cells and the hormones necessary for reproduction. Once the structure is selected you can go to the related images to see if. In some invertebrate groups, such as coelenterates cnidarians, formation of ovaries. Histology is the study of the microanatomy of cells, tissues, and organs as seen through a microscope. Arcuate arteries branch into radial, straight and spiral arteries, which supply endometrium. Reproductive system lab report assistant exercise 1. The hormonal control and function of the various ovarian compartments are. This chapter deals with the normal macroscopic, microscopic, and ultrastructural morphology of the human ovary, and its hormonal function. Histology a text and atlas pdf latest edition ebook download.
Since the anatomy and function of the ovary vary considerably at different stages in a womans life, these aspects will be considered during adulthood, childhood, and. Primary ovarian carcinomas were distinguished from that of secondary carcinoma to the ovary using the criteria described in the methods section. The laying hen gallus domesticus is a robust animal model for epithelial ovarian cancer. Besides the attachment to the broad ligament, the ovary is held in place by two ligaments, the uteroovarian ligament that is attached to the lateral angle of the uterus and a suspensory ligament that extends from the upper rounded pole of the ovary to the wall of the fallopian tube, immediately adjacent to the fimbriated end. Ovaries are covered by surface epithelium ose, which is a modified mesothelium, also called coelomic or germinal epithelium reprod biol endocrinol 2006. Embryology of the ovary the medical university of south. This chapter focuses on normal histology of the ovaries, fallopian tubes, uterus, cervix, vagina, and vulva in the actively cycling adult mouse and human female. Gametogenesis in the female is referred to as oogenesis. Learn ovary testes histology human with free interactive flashcards. Histology of the normal ovary in premenopausal patients. Histology of the testis, epididymis and spermatogenesis. In humans, these laterally paired organs lie within the peritoneal cavity.
Visible in this ovary are follicles in various stages of development. Covering its surface is a single layer of modified peritoneal mesothelium, the ovarian surface. Age related changes in the histological structure of ovary from embryonic to. The ovaries are two nodular bodies located one on either side of the uterus, attached to the broad ligament, and situated close to the lateral pelvic wall in a. The histological structure of ovary with oocytes and pedicel cells is shown in figures 6 and 7. Morphological analysis of ovarian biopsies from pof patients.
Examples of normal cells and tissues are listed below with links to illustrative images. The female reproductive system consists of the paired ovaries and oviducts or uterine tubes, the uterus, the vagina, and the external genitalia figure 221. There are studies describing the normal histology of the ovary, but we believe that these descriptions are incomplete, covering the histology only in general terms, without many details. Some observations on the graafian follicles in an adult human ovary. The ovary is composed by a layer of small epithelial cells with rounded nuclei surrounding the lumen, and oocytes in different developmental stages. The subgross anatomy of the rodent ovary is shown in figure 1. The ovary is an organ found in the female reproductive system that produces an ovum. If pregnancy does occur, then the syncytiotrophoblasts of the placenta release human chorionic gonadotrophin, and the corpus luteum persists. Once this lab report is complete, print out the document and place in your lab notebook for submission at the end of the semester. Similarities in tumor histology will facilitate the use of laying hens to improve our understanding of tumor biology in humans, explore new drugs to develop treatment modalities or to improve existing ones. Females have a pair of ovaries, held by a membrane beside the. Ovary the human ovary consists of an inner medulla and outer cortex with indistinct boundaries. Histology of the ovary of the laying hen gallus domesticus. Some observations on the histology of the human ovary during.
The epithelium absorbs the testicular fluid and provides further transport of spermatozoa. Embryology of the ovary biology of reproduction zoo 4926 spring 2008. Histology helper female reproductive histology youtube. The female reproductive system, junqueiras basic histology, 14e citation. The ovary is a ductless reproductive gland in which the female reproductive cells are produced. The genital tract makes up the rest of the female reproductive system. When released, this travels down the fallopian tube into the uterus, where it may become fertilized by a sperm. The ovary is where oogenesis occurs ovaries are stimulated by gonadotrophin from the anterior pituitary. A series of examples of abnormal histologic findings correlated with human disease conditions. Enter your email address to receive news on sales, discounts, products and more. This section focusses on the internal female reproductive organs.
There is an ovary from latin ovarium, meaning egg, nut found on each side of the body. Using your mouse, select a histological structure to learn more about it. Ovaries also have an endocrine function they release oestrogen and progesterone. Histology guide teaches the visual art of recognizing the structure of cells and tissues and understanding how this is determined by their function. Moreover, the ovary is a complex organ and its tumor types are varied. The ovary is the organ where gametogenesis oogenesis occurs. Normal adult reproductive age ovary, medium power microscopic ovary. Female reproductive system basic histological informations. Below is a download link for histology a text and atlas pdf.
Histology of the ovary and testis insert the images from the reproductive slide supplemental document, then add required labels by hand. View lab report reproductive system lab report assistant. The efferent ductules of the epididymis are lined by a columnar epithelium with cilia and microvilli. For each patient, two biopsies of 35 mm, one on each ovary, were sampled and fixed in neutral formalin. Ovary is composed of four main components, each with different embryologic origins, all of which eventually come together in the developed ovary. Ovary, in zoology, female reproductive organ in which sex cells eggs, or ova are produced. Describe the changes that occur in the ovary and oviduct during the menstrual cycle. Anatomy and histology of the human ovary springerlink. The female gonad is the ovary and is closely associated with female internal genital reproductive tract development. The use of animal models is critical in identifying early disease markers and developing and testing.
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