| proacrosomal | Relating to an early stage in the development of the acrosome. (05 Mar 2000) |
|---|---|
| proacrosomal granule | <cell biology> Small carbohydrate-rich granule's appearing in vesicles of the Golgi apparatus of spermatids. They coalesce into a single acrosomal granule contained within an acrosomal vesicle. (05 Mar 2000) |