TY - GEN AU - Friend,D S AU - Fawcett,D W TI - Membrane differentiations in freeze-fractured mammalian sperm SN - 0021-9525 PY - 1975///0117 KW - Animals KW - Binding Sites KW - Cell Membrane KW - metabolism KW - Cell Nucleus KW - ultrastructure KW - Coloring Agents KW - Concanavalin A KW - Freeze Etching KW - Guinea Pigs KW - Male KW - Membranes KW - Microscopy, Electron KW - Microscopy, Electron, Scanning KW - Mitochondria KW - Peroxidases KW - Plant Lectins KW - Plants KW - Rats KW - Receptors, Drug KW - Species Specificity KW - Spermatozoa N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1083/jcb.63.2.641 ER -