By Richard E. Jones and Kristin H. Lopez (Auth.)
The fourth version of Human Reproductive Biology emphasizes the organic and biomedical features of human copy, explains advances in reproductive technological know-how and discusses the alternatives and issues of this day. Generously illustrated in complete colour, the textual content offers present information regarding human reproductive anatomy and body structure. This expansive textual content covers the whole variety of issues in human copy, from the biology of female and male platforms to perception, being pregnant, hard work and start. It is going directly to disguise matters in fertility and its keep an eye on, inhabitants development and relations making plans, triggered abortion and sexually transmitted ailments. this can be the appropriate ebook for classes on human reproductive biology, with bankruptcy introductions, sidebars on comparable subject matters, bankruptcy summaries and proposals for additional reading.
- superbly redrawn full-color illustrations supplement thoroughly up-to-date fabric with the newest study effects, and transparent, logical presentation of topics
- Covers the fundamental technological know-how of copy - endocrinology, anatomy, body structure, improvement, functionality and senescence of the reproductive process - in addition to utilized elements together with birth control, infertility and illnesses of the reproductive system
- New spouse web site positive aspects full-color illustrations as PPT and jpeg records for either professors and scholars to exploit for examine and shows
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Additional resources for Human Reproductive Biology
Symptoms of high androgens include 33 acne and hirsutism (this is growth of body hair in areas normally seen only in males (beard, chest etc)). Other symptoms associated with PCOS are lack of ovulation, causing infertility or subfertility, and irregular menstruation or lack of menstruation. The syndrome affects 5–10% of all women. It often persists throughout a woman’s reproductive life. Thus, this disorder can have a significant, long-term impact on a woman’s well-being and fertility. Women may be unaware of the problem until they seek medical help for infertility.
This outer coat, or serosa, is continuous with the layer covering the oviducts and other peritoneal organs. Inside the perimetrium is a thick layer of smooth muscle, the myometrium, which is thickest in the corpus region. The myometrium is capable of very strong contractions during labor, as discussed in Chapter 11. Its muscle fibers increase in length and number during pregnancy. Internal to the myometrium is the layer of the uterus that lines the uterine cavity. 2). The stratum functionalis, consisting of a lining epithelium and uterine glands, is shed during menstruation.
Low levels of androgens are present in a woman’s blood. Weak androgens are predominant; most of these come from the adrenal glands (see Chapter 6). Additional androgens, including testosterone, are secreted from growing follicles and from interstitial cells that originate from the thecal layer of an atretic follicle, which does not degenerate with the rest of the follicle. Nonsteroidal hormones produced by the ovary include inhibin, activin, and follistatin. Hormonal Control of Follicular Growth and Steroidogenesis Follicular growth and steroid hormone secretion are controlled by two pituitary gonadotropins: folliclestimulating hormone (FSH) and luteinizing hormone (LH).