title: The fine structure of Strongylocentrotus purpuratus testes.
abstract: The fine structure os Strongylocentrotus purpuratis testes has been examined. No obviously important differences appear to exist between the description reported here and the published fine structure of testes obtained from other sources. The most useful fixative was found to be a mixture of glutaraldehyde-paraformaldehyde.
mesh_terms: D000818:Animals; D008297:Male; D012617:Sea Urchins / Q000033:anatomy & histology*; D013737:Testis / Q000648:ultrastructure*