prooticadj.n.

Brit.

/prəʊˈəʊtɪk/,

/prəʊˈɒtɪk/, U.S.

/proʊˈoʊdɪk/,

/proʊˈɑdɪk/

Forms: 1800s proötic, 1800s– prootic.

Origin: Formed within English, by derivation. Etymons: pro- prefix², otic adj.

Etymology: < pro- prefix² + otic adj. Compare opisthotic adj. With use as noun compare slightly earlier opisthotic n.

Anatomy and Zoology.

A. adj.

Situated in front of the ear; spec. designating one of the three periotic bones.

ΘΚΠ

the world > life > the body > structural parts > bone or bones > skull > parts of skull > [adjective] > bones of ear

petrousc1475

petrosal1713

otocranial1848

opisthotic1866

periotic1866

prootic1866

tympano-periotic1870

stapedial1875

incudal1890

tympanomalleal1891

tympanomandibular1891

tympanosquamosal1891

tympanostapedial1900

tympanotemporal1900

malleolar1902

1866 Philos. Trans. (Royal Soc.) 156 124 The cartilage investing the auditory capsule has greatly increased in thickness, and the prootic and opisthotic..bones have just appeared.

1875 T. H. Huxley in Encycl. Brit. I. 751/1 The hyoidean arch..almost always becomes connected with the pro-otic region of the skull.

1964 Oceanogr. & Marine Biol. 2 443 In the Clupeidae (herrings and relatives) and Engraulidae (anchovies) tubes extend from the air bladder to expansions in the pterotic and prootic bullae.

1990 M. J. Benton Vertebr. Palaeontol. ix. 236 Typical primitive reptiles have the brain enclosed at the side only by the prootic, opisthotic, exoccipital, and supraoccipital bones.

B. n.

The prootic bone.

ΘΚΠ

the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > bones of ear > others

os orbiculare1698

orbicular bone1706

tympanic1851

opisthotic1865

prootic1866

tympanal1875

otolith1890

tegmen tympani1890

1866 Philos. Trans. (Royal Soc.) 156 130 In the Sheep, when the fetal head is 2 inches 9 lines in length, the relatively small prootic has commenced by two ossific patches at the same part.

1873 St. G. Mivart Lessons Elem. Anat. iii. 106 The Pro-otic is the largest and most important element of the three in Vertebrates below Mammals.

1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xiii. 313 Each ossifies from three centres: but the several bones—pro-otic, epiotic, opisthotic—early unite to form an irregular mass, which fits loosely into the side-wall of the cranium.

1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) viii. 243 Two ossifications are present in the otic region, the prootic and opisthotic, but the two may be firmly fused and difficult to distinguish in the adult.

This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022).

单词	prootic
释义	prooticadj.n. Brit. /prəʊˈəʊtɪk/, /prəʊˈɒtɪk/, U.S. /proʊˈoʊdɪk/, /proʊˈɑdɪk/ Forms: 1800s proötic, 1800s– prootic. Origin: Formed within English, by derivation. Etymons: pro- prefix², otic adj. Etymology: < pro- prefix² + otic adj. Compare opisthotic adj. With use as noun compare slightly earlier opisthotic n. Anatomy and Zoology. A. adj. Situated in front of the ear; spec. designating one of the three periotic bones. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [adjective] > bones of ear petrousc1475 petrosal1713 otocranial1848 opisthotic1866 periotic1866 prootic1866 tympano-periotic1870 stapedial1875 incudal1890 tympanomalleal1891 tympanomandibular1891 tympanosquamosal1891 tympanostapedial1900 tympanotemporal1900 malleolar1902 1866 Philos. Trans. (Royal Soc.) 156 124 The cartilage investing the auditory capsule has greatly increased in thickness, and the prootic and opisthotic..bones have just appeared. 1875 T. H. Huxley in Encycl. Brit. I. 751/1 The hyoidean arch..almost always becomes connected with the pro-otic region of the skull. 1964 Oceanogr. & Marine Biol. 2 443 In the Clupeidae (herrings and relatives) and Engraulidae (anchovies) tubes extend from the air bladder to expansions in the pterotic and prootic bullae. 1990 M. J. Benton Vertebr. Palaeontol. ix. 236 Typical primitive reptiles have the brain enclosed at the side only by the prootic, opisthotic, exoccipital, and supraoccipital bones. B. n. The prootic bone. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > bones of ear > others os orbiculare1698 orbicular bone1706 tympanic1851 opisthotic1865 prootic1866 tympanal1875 otolith1890 tegmen tympani1890 1866 Philos. Trans. (Royal Soc.) 156 130 In the Sheep, when the fetal head is 2 inches 9 lines in length, the relatively small prootic has commenced by two ossific patches at the same part. 1873 St. G. Mivart Lessons Elem. Anat. iii. 106 The Pro-otic is the largest and most important element of the three in Vertebrates below Mammals. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xiii. 313 Each ossifies from three centres: but the several bones—pro-otic, epiotic, opisthotic—early unite to form an irregular mass, which fits loosely into the side-wall of the cranium. 1986 A. S. Romer & T. S. Parsons Vertebr. Body (ed. 6) viii. 243 Two ossifications are present in the otic region, the prootic and opisthotic, but the two may be firmly fused and difficult to distinguish in the adult. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < adj.n.1866
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