Supra sternal ossicles in primates other than man:  some isolated cases in gorilla and chimpanzee.
D000818:Animals; D006071:Gorilla gorilla; D015186:Hominidae; D006801:Humans; D008297:Male; D002679:Pan troglodytes; D011323:Primates; D013249:Sternum / Q000033:anatomy & histology*
STERNUM/anatomy and histology