postnarialadj.
/ˌpəʊs(t)ˈnɛːrɪəl/, U.S. /ˌpoʊs(t)ˈnɛriəl/ Anatomy.
Situated behind or posterior to the nostrils (with reference to parts of the skull).
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postnarial1866
mucociliary1961
1866 R. Owen On Anat. Vertebr. II. 426 The disproportionate shortness of the rostral or ‘prenarial’ to the cranial or ‘postnarial’ part of the skull.
1928 Q. Rev. Biol. 3 177/2 The postnarial portion of the right premaxillary is broad, forming the medial surface of the posterior wall of the supracranial basin.
1975 Paleobiology 1 25/1 I am considering the presence of a preorbital nasal hump and shallowly-excavated post-narial region to be primitive for the family Hadrosauridae.
1998 Jrnl. Morphol. 238 179 Noteworthy features..include..palatine ossifications that form from independent centers of ossification and soon fuse with postnarial portion of the vomers to form the compound vomeropalatine bones.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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adj.1866