title: The apical cell of the locust testis: an ultrastructural study.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006110:Grasshoppers / Q000502:physiology / Q000648:ultrastructure*; D008297:Male; D010587:Phagocytosis; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure; D013737:Testis / Q000648:ultrastructure