Observations on the ultrastructure of the initial motor axon segment and dorsal root boutons on the motoneurons in the lumbosacral spinal cord of the cat during postnatal development.
D000818:Animals; D000831:Animals, Newborn; D001369:Axons / Q000166:cytology*; D002415:Cats; D002462:Cell Membrane; D008161:Lumbosacral Region; D008854:Microscopy, Electron; D009046:Motor Neurons / Q000166:cytology*; D009186:Myelin Sheath; D013116:Spinal Cord / Q000166:cytology*; D013127:Spinal Nerves / Q000166:cytology* / Q000254:growth & development