Assertion: oocyte's nucleus | /r/AtLocation | nuclear envelope
Facets:
Source sentences:
text: Type Ap are actively-dividing spermatogonial stem cells which begin differentiation to type B spermatogonia, which have round nuclei and heterochromatin attached to the nuclear envelope and the center of nucleolus.
text: Type Ap are actively-dividing spermatogonial stem cells which begin differentiation to type B spermatogonia, which have round nuclei and heterochromatin attached to the nuclear envelope and the center of nucleolus.