home / medterms medical dictionary a-z list / apls (antiphospholipid antibody syndrome) definition Medical Definition of APLS (antiphospholipid antibody syndrome) Our Antiphospholipid Syndrome Main Article provides a comprehensive look at the who, what, when and how of Antiphospholipid Syndrome
Sperm motility describes the ability of sperm to move properly through the female reproductive tract (internal fertilization) or through water (external fertilization) to reach the egg.
If less than half of the sperm are motile, a stain is used to identify the percentage of dead sperm. This is called a sperm viability test. Morphologyâthe study of the size, shape, and appearance of the sperm cells; the analysis evaluates the structure of the sperm.