| HZA | Hemizona assay |
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| hemizona assay | <investigation> The hemizona assay is a laboratory test of the ability of sperm to penetrate into a human egg, first the egg is split in half, then one half is tested against the husband's sperm and the other half against sperm from a fertile man. (09 Oct 1997) |
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| hemizona |
half of a zone, such as the zona pellucida.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| hemizona a. |
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.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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