Assertion: late spermatid | /r/HasProperty | attached by their heads
Facets:
value: in the lumen
type: LOCATION
Source sentences:
text: Nevertheless, some lumen contained sperm and Sertoli cells are capped by tufts of late spermatids attached by their heads in the lumen.
text: Nevertheless, some lumen contained sperm and Sertoli cells are capped by tufts of late spermatids attached by their heads in the lumen.