By Linda J. Heffner
The Reproductive method at a Glance is a complete consultant to basic reproductive biology and linked pathophysiology in either sexes. Concise, effortless to learn, and obviously established, the double-page spreads development from easy technological know-how to medical abnormalities, and covers endocrine construction and motion, inside of one brief volume. Chapters on problems summarise epidemiology, pathophysiology, analysis and treatment.
This new version of The Reproductive process at a Glance:
• Is totally revised and up-to-date all through to mirror contemporary advancements in practice
• Now good points histological and pathological slides to counterpoint the “at a look” sort explanatory illustrations
• Now beneficial properties radiologic experiences to complement the textual content in chosen chapters
• Contains extra targeted insurance of maternal diversifications to pregnancy
• incorporates a significant other web site at www.ataglanceseries.com/reproduction that includes self-assessment a number of selection questions, bonus unmarried resolution questions and flashcards
The Reproductive process at a Glance is a perfect advisor for college kids learning either endocrine and reproductive matters, and teaches the basis ideas for the obstetrics and gynaecology rotation, supporting well-being execs and scholars in attaining a vast and functional realizing of the subject.
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They begin their growth spurt after a shorter period of prepubertal growth and hence may not reach the full genetically predetermined adult height. Boys enter puberty later than girls and so have a longer period of prepubertal growth. Boys also experience a greater peak linear growth velocity during adolescence than girls. For both reasons, men tend to be taller than women. Androgens have a direct anabolic effect on muscle mass. The increase in androgen secretion during puberty increases muscle mass in both boys and girls.
Surrounding the granulosa cells are a collar of cells known as theca cells. Theca cells produce androgens that are then converted to estrogens by the granulosa cells (Chapter 2). Steroid hormones produced by the ovary act within the follicle to support the developing oocyte and outside the ovary on target tissues. The human ovary contains about 2 million oocytes at birth but only 100 000 at puberty. The number of oocytes continues to decrease throughout a woman’s reproductive lifespan. This decrease occurs because mitosis of the primitive oogonia stops midway through fetal life and does not resume.
This is accomplished by hypertrophy of the myocytes and by recruitment of new myocytes from stem cells residing within the myometrial connective tissue. The cavity of the uterus is lined by a glandular epithelium, the endometrium. The endometrium is both an endocrine target organ and a gland. Under the influence of cyclic hormone production by the ovary, the endometrium undergoes striking microscopic changes in its glandular structure and function (Fig. 2). During the preovulatory phase of the menstrual cycle, the epithelial cells on the surface of the endometrium proliferate profusely under the influence of estrogen.
The Reproductive System at a Glance by Linda J. Heffner