Cholinergic Effects on Bull and Chimpanzee Sperm Motility

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Abstract
Cinematographic analysis was employed to study the response of ejaculated spermatozoa of bull and chimpanzee to two substrates and three inactivators of the cholinesterase enzymes. The cholinergic effect on motility was identified as a beat frequency variation and in the case of physostigmine a defect of coordination of wave pattern. This report substantiates the role of the acetylcholine-acetylcholinesterase system in control of spermatozoan motility.