hemizona assay

hemizona assay
an in vitro test of sperm function: a human zona pellucida is divided in half; one half is incubated with sperm from a donor known to be normal, and the other half with sperm from the patient being tested. The number of sperm bound to each half is calculated and that from the patient's sperm is divided by that from the donor's sperm. A figure of less than 0.60 indicates abnormal patient sperm.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Assay — An assay is an analysis done to determine: {{}}The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid …   Medical dictionary

  • HZA — abbr. and/or acronym. Hemizona assay …   American Life League. Abbreviations and acronyms

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