title: Morphological aspects of cytoplasmic droplets of some plethodontid salamander spermatozoa.
mesh_terms: D000818:Animals; D003593:Cytoplasm; D008297:Male; D008566:Membranes; D008854:Microscopy, Electron; D008928:Mitochondria; D012313:RNA; D013094:Spermatozoa / Q000166:cytology*; D014562:Caudata / Q000033:anatomy & histology*
chemical_list: D012313:RNA