title: Crista sagittalis externa in the skull of Pan troglodytes and its bearing on the reconstruction of the head of the robust type of Australopithecus.
mesh_terms: D000818:Animals; D008297:Male; D009132:Muscles / Q000033:anatomy & histology; D010163:Paleontology; D002679:Pan troglodytes / Q000033:anatomy & histology*; D011323:Primates / Q000033:anatomy & histology*; D012886:Skull / Q000033:anatomy & histology*