Atypical foramina of the base of the skull.
D006801:Humans; D008297:Male; D008875:Middle Aged; D009777:Occipital Bone / Q000002:abnormalities / Q000033:anatomy & histology*; D010159:Palate / Q000002:abnormalities / Q000033:anatomy & histology*; D013100:Sphenoid Bone / Q000002:abnormalities / Q000033:anatomy & histology*