Observations on the caudal end of the spinal cord.
D000818:Animals; D004622:Embryo, Mammalian; D005333:Fetus; D000882:Haplorhini; D006801:Humans; D011817:Rabbits; D012445:Sacrococcygeal Region; D013116:Spinal Cord / Q000033:anatomy & histology / Q000196:embryology* / Q000254:growth & development*; D013127:Spinal Nerves / Q000033:anatomy & histology / Q000254:growth & development