Organs of the male and female reproductive systems play a central role in sexual reproduction by creating, nourishing, and housing sex cells called gametes . The human male reproductive system consists of gonads called testes, a series of ducts (epididymis, vas deferens , ejaculatory duct, ...
Molecular biology of the male reproductive system. San Diego (Calif)7 Academic Press; 1993. p. 271 - 310.Je´ gou, B., and R. M. Sharpe. Paracrine mechanisms in testicular control. In: Molecular Biology of the Male Reproductive System, edited by D. de Kretser. San Diego: Academic, ...
页数:483 定价:$ 288.15 ISBN:9780122090301 豆瓣评分 目前无人评价 评价: 写笔记 写书评 加入购书单 分享到 推荐 内容简介· ··· Written by experts in their respective fields, this book reviews the expanding knowledge concerning the mechanisms regulating male reproduction at the molecular and cellular...
Overview of the Male Reproductive System What is the male reproductive system? How does the male reproductive system work? What are sperm and semen? What is an erection? What is ejaculation? What happens after ejaculation? What can go wrong with a man's reproductive system? Puberty in Boys ...
Notes on Human Male Reproductive System! It is that system which is concerned with sperm formation. It is located in the pelvis region. ADVERTISEMENTS: It is formed of a pair of testes along with their accessory ducts (i.e. rete testis, vasa efferentia, epididymis and vas defere...
Gathering original research on sperm biology and the male reproductive system to better understand the causes of, and help treat, male infertility.
Figure 1. Click for a larger image. The structures of the male reproductive system include the testes, the epididymides, the penis, and the ducts and glands that produce and carry semen. Sperm exit the scrotum through the ductus deferens, which is bundled in the spermatic cord. The seminal...
A role for oestrogens in the male reproductive system. Nature 1997; 390: 447–458.Sharpe, R.M. Do males rely on female hormones? Nature 390 , 447... RM Sharpe - 《Nature》 被引量: 144发表: 0年 Female hormones: do they influence muscle and tendon protein metabolism? Due to increased...
Generously illustrated in full color, the text provides current information about human reproductive anatomy and physiology. This expansive text covers the full range of topics in human reproduction, from the biology of male and female systems to conception, pregnancy, labor and birth. It goes on ...
Sex ratio is variable and increasingly male biased at two colonies of Magellanic Penguins Sex ratios are commonly skewed and variable in wild populations, but few studies track temporal trends in this demographic parameter. We examined variation... NJ Gownaris,PG Borboroglu,PD Boersma - 《Ecology...