postnasaln.adj.
/ˌpəʊs(t)ˈneɪzl/, U.S. /ˌpoʊs(t)ˈneɪz(ə)l/ A. n.
1. Chiefly Palaeontology. In a fish: a bone or bony plate located posterior to the nasal bone in the snout. rare.
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1853 S. F. Baird & C. Girard in R. B. Marcy & G. B. McClellan Explor. Red River (U.S. War Dept.) App. F. 227 A probably monstrous feature is seen..in the loral and postnasal coalescing into one trapezoidal plate.
1937 Philos. Trans. (Royal Soc.) B. 228 130 The position of the nostril is shown by the notch in the postnasal.
1978 Philos. Trans. (Royal Soc.) B. 282 30 His interpretation is based on the assumption that a postnasal was present in the dolichothoracids.
2. Zoology. In a reptile: a scale on the side of the head, situated either immediately behind the nostril, or posterior to the nasal scale.
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the world > animals > reptiles > [noun] > parts of
atterc1000
fingera1398
spear1608
pecten1713
supraciliary1838
postocular1856
patagium1857
podotheca1864
pretemporal1866
keeled scale1870
postnasal1871
prenasal1886
supracoracoid1897
hedonic gland1901
guanophore1924
chorio-allantois1933
1871 Proc. Amer. Philos. Soc. 1869–70 11 149 Postnasal higher than prenasal. Preoculars one or two.
1936 Amer. Midland Naturalist 17 642 They may be distinguished..by..longer tail consisting of more than 100 scale whorls; large azygous prefrontal touching postnasals laterally.
1988 B. Branch Field Guide Snakes & other Reptiles Southern Afr. (1992) 120 Lowveld Dwarf Burrowing Skink... There are four supraoculars, all touching the frontal, no postnasal, and five supraciliaries.
B. adj. Anatomy, Medicine, and Zoology.
Situated or occurring behind or posterior to the nasal aperture or the nasal cavity.
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the world > life > the body > sense organ > olfactory organ > [adjective]
postnasal1859
Jacobsonian1878
postrhinal1880
the world > life > the body > nervous system > cerebrospinal axis > brain > parts of brain > [adjective] > lobe
rhinencephalic1846
postnasal1859
parietal1861
prefrontal1878
postrhinal1880
postfrontal1883
suboccipital1885
insular1886
transfrontal1889
preoptic1890
premotor1923
1859 C. Girard Gen. Rep. Zool. IV: Fishes (U.S. War Dept.: Rep. Explor. Route to Pacific X) 207 Four pairs of barbels:..the fourth pair arising from the edge of the postnasal aperture.
1876 L. D. Morse On Nasal Catarrh 26 It acts vigorously upon the posterior nares and post-nasal cavity.
1890 Cent. Dict. (at cited word) The postnasal spine of the palate-bone.
1897 T. C. Allbutt et al. Syst. Med. IV. 714 Post-nasal adenoid hypertrophy is a disease of early childhood.
1955 AMA Arch. Otolaryngol. 62 62 (title) Complications of postnasal packing for epistaxis.
1989 Brit. Med. Jrnl. 3 June 1534/1 Such patients [sc. with chronic cough] are found to have one of four disorders—a postnasal drip, asthma, chronic bronchitis, or gastro-oesophageal reflux.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.adj.1853