Ohio's six-month freeze on new Medicaid home care and hospice providers is set to expire Nov. 14, raising concerns among disabled residents who face gaps when aides leave. South Dakota voters will ...

UCLA graduate student Jeffrey Riffell and UCLA biology professor Richard Zimmer report the first experimental test on the role of small-scale physics as it influences the interactions between sperm ...

Insect glands are responsible for producing a host of secretions that allow bees to sting and ants to lay down trails. New research focuses on secretions from glands in the reproductive tract that ...

Infertility is a challenge that many couples face and it can affect both men and women. There are various reasons for ...

When researching fertility treatment, you may come across the terms "artificial insemination" and "in vitro ...

Researchers at ETH Zurich recently developed highly realistic simulations of the proteins on sperm and egg cells coupling together before they fuse. These findings enabled the research team to solve ...

The finding recasts the role of the egg in the fertilization process. The old notion of the egg as a passive partner for sperm entry is out. Instead, the researchers found, there are molecular players ...

(a) A pollen grain containing the two sperm cells. It produces a pollen tube, which arrives at the ovule. After the arrival, one of the synergid cells degenerates and the pollen tube bursts to ...

The development of every animal in the history of the world began with a simple step: the fusion of a spermatozoon (the male gamete) with an oocyte, or egg (the female gamete). Despite the ubiquity of ...