plasma membrane : Definition, Usages, News and More
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plasma membrane
n a thin membrane (a double layer of lipids) enclosing the cytoplasm of a cell; proteins in the membrane control passage of ions (like sodium or potassium or calcium) in and out of the cell
The secret of fertile sperm: Novel diagnostic tests and treatments for male infertility? To better understand the causes of male infertility, scientists are exploring the factors, both physiological and biochemical, that differentiate fertile sperm from infertile sperm. Scientists have characterized proteins known as ion channels, which are crucial for sperm fertility and expressed within a sperm cell's plasma membrane.
Feb. 19, 2014 - Science Daily