internasaladj.n.
/ɪntəˈneɪzl/, U.S. /ˌɪn(t)ərˈneɪz(ə)l/ A. adj.
Anatomy and Zoology. Situated or occurring between the divisions of the nose, or between the nostrils; = internarial adj. Cf. intranasal adj. at intra- prefix 1.
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the world > life > the body > external parts of body > head > face > nose > [adjective] > nostril
narine1667
internasal1838
nostrilled1848
internarial1865
prenarial1866
1838 F. O. Ward Outl. Human Osteol. 121 In the middle of this eminence is the internasal suture, formed by the junction of the nasal bones.
1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 546 The internasal septum..separates the nasal cavity into two portions.
1949 Amer. Midland Naturalist 41 581 The median postrostral found in many forms is probably derived from a fusion of the two median anterior internasal elements.
2005 B. J. Baker et al. Osteol. Infants & Children iv. 44/1 The left and right nasal bones..articulate with each other medially at the finely serrated internasal suture.
B. n.
Zoology. An internasal scale or bone.
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1845 J. E. Gray Catal. Specimens Lizards Brit. Mus. 57 Head with 2 internasals; the interparietal as large as the parietal; 4 pair of palpebrals.
1910 Science 16 Sept. 383/1 The head was greenish blue above with a median reddish orange stripe on the edges of the internasals and prefrontals.
1971 J. W. Steward Snakes of Europe v. 93 There are two internasals, an undivided nasal, usually only one preocular and, in most species, a loreal.
2000 J. R. Dixon Amphibians & Reptiles Texas 28 Dorsal scale rows equal in size: supranasals separating nasals from internasals.
This entry has been updated (OED Third Edition, June 2015; most recently modified version published online March 2022).
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adj.n.1838