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Number of Results: 255
ADRENO-CORTICO-TROPHIC-HORMONE
AIR SATURATION VALUE OF DISSOLVED OXYGEN
AMNESIC SHELLFISH POISONING (ASP)
AREA OF FLOW (CROSS SECTIONAL)
ACROSOME
Definition
Part of the head of certain spermatozoa, usually forming a cap over the nucleus. It contains enzymes concerned in the penetration of the egg coverings and perhaps in the fusion with the egg during fertilisation. The acrosome is lacking in most teleosts.