At coitus, human sperm are deposited into the anterior vagina, where, to avoid vaginal acid
and immune responses, they quickly contact cervical mucus and enter the cervix. Cervical …

The oviduct plays a vital role in ensuring successful fertilization and normal early embryonic
development. The male inseminates many thousands or even millions of sperm, but this …

In vitro fertilization (IVF) gives rise to embryos in a number of mammalian species and is
currently widely used for assisted reproduction in humans and for genetic purposes in cattle …

The objective of this article is to review the role of uterine defense mechanisms in natural
resistance to chronic or persistent endometritis. A breakdown of uterine physical clearance …

Contents A reservoir of sperm in the initial segment of the oviduct has been found in several
species of domestic and laboratory mammals. Evidently, the reservoir serves to ensure …

After mating, inseminated spermatozoa are transported to the oviduct. They attach to and
interact with oviductal epithelial cells (OEC). To investigate sperm-OEC interactions, we …

Publisher Summary The mechanisms of sexual reproduction are expected to be complex
and evolutionarily dynamic in internally fertilizing species, where numerous biochemical …

Sperm binding to oviductal epithelium is thought to be an important mechanism regulating
sperm reservoir formation in the oviduct. On the basis of evidence in the hamster, we …

In contrast to man and many other mammalian species, conventional in vitro fertilization
(IVF) with horse gametes is not reliably successful. The apparent inability of stallion …

The sperm of eutherian mammals are held in a storage reservoir in the caudal segment of
the oviduct by binding to the mucosal epithelium. The reservoir serves to maintain the fertility …