ac·ro·some

(ak'rō-sōm),

A caplike organelle or saccule derived from Golgi elements that surround the anterior two thirds of the nucleus of a sperm. Enzymes contained within this structure probably facilitate the sperm's penetration of the zona pellucida of the oocyte.

Synonym(s): acrosomal cap, head cap

[acro- + G. soma, body]

Farlex Partner Medical Dictionary © Farlex 2012

head cap

(hed kap)

A device fitted closely to the skull; used for fixed anchorage in external traction.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

Mentioned in

References in periodicals archive

The foundry, located in Hutchins, Texas, constructed what other companies had not been able to do-high-quality head caps for the MK 22, MOD 4 rocket motor.

U.S. Navy salutes Consolidated Casting for Operation Desert Storm support

All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.