posterior nasal spine


pos·ter·i·or na·sal spine

(pos-tēr'ē-ŏr nā'zăl spīn) The sharp posterior extremity of the nasal crest of the hard palate.

posterior nasal spine

The spine formed by medial ends of the horizontal processes of the palatine bones at the very back of the hard palate.See also: spine

pos·ter·i·or na·sal spine

(pos-tēr'ē-ŏr nā'zăl spīn) The sharp posterior extremity of the nasal crest of the hard palate.