منابع مشابه
Odyssey of the spermatozoon
This Opinion piece is offered as a cursory overview of sperm development, function, and transport through the eyes of an equine veterinarian. My professional background is predominantly clinical in nature, but my fascination with sperm function and preservation has led to a fairly sizeable review of the scientific literature over the years in hopes of extracting laboratory findings that have ap...
متن کاملProteomics of the Spermatozoon
The study of the sperm proteins is crucial for understanding its normal function and alterations in infertile patients. The sperm is a highly specialized cell with a very large flagella, with little cytoplasm and a highly condensed nucleus. The most abundant proteins in the nucleus of mammalian sperm are the protamines. The main functions of the protamines are the condensation of the DNA, possi...
متن کاملThe spermatozoon of arthropoda. XXX. The multiflagellate spermatozoon in the termite Mastotermes darwiniensis
In this paper the spermatozoon of the termite Mastotermes darwiniensis is described. It is the first example of a multiflagellate sperm cell in animals. The sperm consists of a conical head and 100 flagella. Other remarkable features of this sperm cell are the absence of an acrosome, the presence of centrioles containing doublet microtubules instead of triplets, and the presence of axonemes dev...
متن کاملThe quest of finding the perfect spermatozoon
tau.amegroups.com © Translational Andrology and Urology. All rights reserved. Infertility is a health problem that touches around 15% of couples worldwide and male infertility is the sole cause in half of these cases (1,2). Since the development of assisted reproductive techniques (ART) particularly intracytoplasmic sperm injection (ICSI), it has been a challenge to select the very best spermat...
متن کاملDeductive Analysis of the TERM of Urban Vitality With Indigenous Vitality in historic background in Isfahan
Urban vitality is a new term in the specialized literature of urban planning. Despite numerous definitions of vitality by experts, These definitions are defined according to different aspects of vitality, equivalent to the socio-cultural characteristics of other countries. But vitality existed in cities before it became known in the urban literature and had different definitions in each culture...
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: Science
سال: 1896
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.4.101.839