acrosome
/ˈakrə(ʊ)səʊm/Cell Biol.
noun
A membrane-bound, darkly staining, granular structure surrounding the anterior end of the nucleus in a spermatozoon, containing enzymes that assist in the penetration of the ovum.
Origin
Late 19th century. From acro- + -some, after German Akrosoma.
- polyether
- polyethism
- polyethnic
- polyethnicity
- polyethylene
- polyethylene glycol
- polyethylene oxide
- polyethylene terephthalate
- polyethylenic
- Polyfilla
- polyfoam
- polyfoil
- polyformal
- polyformaldehyde
- Polyfoto
- polyfunctional
- polyfunctionality
- polygala
- polygalaceous
- polygalacturonase
- polygalic acid
- polygalin
- Polygamia
- polygamic
- polygamise