title: Evolution and the human tail: a case report.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D006801:Humans; D007231:Infant, Newborn; D008161:Lumbosacral Region; D010802:Phylogeny; D012868:Skin Abnormalities; D013131:Spine / Q000196:embryology; D013623:Tail / Q000196:embryology