منابع مشابه
Disorders of spermatogenesis
Zusammenfassung medgen 2018 · 30:12–20 https://doi.org/10.1007/s11825-018-0181-7 © The Author(s) 2018. This article is an open access publication. F. Tüttelmann · C. Ruckert · A. Röpke Disorders of spermatogenesis. Perspectives for novel genetic diagnostics after 20 years of unchanged routine
متن کاملDevelopmental and genetic disorders in spermatogenesis.
The most common cause of male infertility is idiopathic. Fresh insights based on genetic and molecular analysis of the human genome permit classification of formerly unexplained disorders in spermatogenesis. In this article, we review new procedures that expand diagnostic and therapeutic approaches to male infertility. Recombinant DNA technology makes it possible to detect specific chromosomal ...
متن کاملAN ULTRASTRUCTURAL STUDY OF PLANT SPERMATOGENESIS Spermatogenesis in Nitella
Spermatogenesis in the charophyte Nitella has been followed in antheridia prepared for light and electron microscopy. The antheridial filament cells contain paired centrioles which are similar in structure and behavior to the centrioles of animal cells. In the early spermatid, the centrioles undergo an initial elongation at their distal ends and become joined by a spindle-shaped fibrous connect...
متن کاملSerum activin A and follistatin in disorders of spermatogenesis in men.
OBJECTIVE Inhibin, activin and follistatin are glycoprotein hormones produced by the gonads. Recent studies have shown that inhibin B is the predominant form of inhibin in the circulation in men. The objective of this study was to investigate circulating levels of activin A and follistatin in disorders of spermatogenesis in men and their relationship with FSH and inhibin B. DESIGN AND METHOD ...
متن کاملSpermatogenesis, Overview
treatments with secretion of female accessory gland and micropyle cap substance. Int. J. Insect Morphol. Embryol. 14, 381391. Engelmann, F. (1970). The Physiology of Insect Reproduction. Pergamon, New York. Gillett, C. 0 988). Arthropoda-Insecta. In Reproductive Biology of invertebrates. Vol III. Accessory Sex Glands. (K. G. and R. G. Adiyodi, Eds.), pp. 319-471. Wiley, New York. Gillott, C. (1...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: medizinische genetik
سال: 2018
ISSN: 0936-5931,1863-5490
DOI: 10.1007/s11825-018-0181-7