title: Contractile filamentous structures in Sertoli cells of the Greek tortoise (Testudo graeca)?
mesh_terms: D000818:Animals; D002462:Cell Membrane; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria; D009210:Myofibrils; D012270:Ribosomes; D012708:Sertoli Cells / Q000166:cytology*; D014426:Turtles / Q000033:anatomy & histology*