acrosome
/ak-ruh-sohm/US // ˈæk rəˌsoʊm //UK // (ˈækrəˌsəʊm) //
顶体
Definitions
n.名词 noun
- 1
Cell Biology.
- : an organelle covering the head of animal sperm and containing enzymes that digest the egg cell coating, thus permitting the sperm to enter the egg.
Examples
Spermatids containing both the chromatin nucleolus (n) and the odd chromosome (x), a the acrosome.
Spermatid, showing acrosome material (a) migrating to side of nucleus opposite centrosome.
The acrosome seems to develop directly out of the cytoplasm.
Level 4Browse all words →