1. Noun.  (medicine) Material derived from the Golgi apparatus from which the acrosome develops during spermatogenesis.
  2. Noun.  (medicine) (archaic) A type of embryonic cell forming a layer external to the mesoblast.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.