title: The origin and some of the functions of smooth endoplasmic reticulum in Ancylostoma caninum sperm cells.
mesh_terms: D000722:Ancylostoma / Q000648:ultrastructure*; D000818:Animals; D004721:Endoplasmic Reticulum / Q000502:physiology / Q000648:ultrastructure*; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000648:ultrastructure