Assertion: head's structure | /r/HasAspect | two types
Facets:
value: in terms of spermatogonia distribution
type: OTHER
Source sentences:
text: In terms of spermatogonia distribution, the structure of teleosts testes has two types: in the most common, spermatogonia occur all along the seminiferous tubules, while in Atherinomorph fish they are confined to the distal portion of these structures.