petrosaladj.n.

Brit.

/pɛˈtrəʊs(ə)l/, U.S.

/pɛˈtroʊs(ə)l/

Origin: A borrowing from Latin, combined with an English element. Etymons: Latin petrōsus , -al suffix¹.

Etymology: < classical Latin petrōsus (see petrous adj.) + -al suffix¹. Compare earlier petrous adj.

Anatomy and Zoology.

A. adj.

Of, relating, to, or designating the petrous bone; spec. designating branches of the facial and glossopharyngeal nerves that pass through the petrosal bone, and the inferior ganglion of the glossopharyngeal nerve, which is situated in a notch in this bone.

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

1713 W. Cheselden Anat. Humane Body 9 It [sc. os occipitis] is bounded by the Sphenoidal, Temporal, Petrosal, and Parietal Bones.

1741 A. Monro Anat. Human Bones (ed. 3) 118 A Vein..returns to the superior petrosal Sinus.

1835–6 Todd's Cycl. Anat. & Physiol. I. 739/2 The petrosal ridges form the sides of the triangle.

1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 192 It is excavated in front to lodge the petrosal cartilage.

1881 A. L. Ranney Appl. Anat. Nerv. Syst. ii. 179 (caption) A diagram of the branches of the facial nerve... 3, orifice of aqueduct of Fallopius; 4, large petrosal nerve; 5, small petrosal nerve; 6, external petrosal nerve.

1888 W. R. Gowers Man. Dis. Nerv. Syst. II. iv. 250 The tympanic nerve of Jacobson (arising from the enlargement on the glosso-pharyngeal, termed the ‘petrosal ganglion’), forms, with the sympathetic, the tympanic plexus in the wall of the middle ear.

1939 T. L. Green Pract. Animal Biol. i. 139 Find the petro-hyoid which extends from the hyoid outwards to the ‘petrosal’ region beside the tympanum.

1955 R. Macintosh & M. Ostlere Local Analgesia Head & Neck i. 9 This ganglion is the relay centre for the parasympathetic secretomotor fibres which the maxillary division receives from the facial nerve via the greater superficial petrosal nerve and the nerve of the pterygoid canal.

1972 M. L. Barr Human Nerv. Syst. viii. 128/2 The sensory fibres in question [sc. those for taste] leave the facial nerve in the greater petrosal branch at the level of the geniculate ganglion.

1980 Gray's Anat. (ed. 36) vii. 1074/2 This nucleus..sends its fibres..to the lesser petrosal nerve and the otic ganglion.

1985 Radiology 154 112/3 Pneumatoceles can be classified as frontal, occipital, or petrosal.

1990 Q. Jrnl. Med. 77 1132 The usefulness of petrosal vein sampling..was not assessed in this series.

1993 Jrnl. Clin. Endocrinol. & Metabolism 77 505/1 Both inferior petrosal sinuses were catheterized in all subjects.

B. n.

The petrous bone.

ΘΚΠ

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

rock-bone1615

rocky bone1615

stony bone1615

petrous1836

otocrane1846

petrosal1846

periotic1865

1846 R. Owen Lect. Compar. Anat. Vertebr. Animals v. 102 The cavities (otocranes) lodging the petrosals and organs of hearing are completely separated from each other.

1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 458 In all birds and Reptiles the petrosal (prootic) lies in front of the ex~occipital.

1883 Science 8 June 506/2 The prootic produces all that portion of the petrosal seen within the cranial cavity.

1973 Nature 5 Oct. 275/2 MacIntyre discusses the morphology of the petrosal of Late Cretaceous mammals and recognizes in them a primitive pattern which he terms ‘trisulcate’.

1998 Nature 3 Dec. 459/2 The petrosals..are similar to those attributed to metatherians from the Late Cretaceous of North America.

This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2022).

单词	petrosal
释义	petrosaladj.n. Brit. /pɛˈtrəʊs(ə)l/, U.S. /pɛˈtroʊs(ə)l/ Origin: A borrowing from Latin, combined with an English element. Etymons: Latin petrōsus , -al suffix¹. Etymology: < classical Latin petrōsus (see petrous adj.) + -al suffix¹. Compare earlier petrous adj. Anatomy and Zoology. A. adj. Of, relating, to, or designating the petrous bone; spec. designating branches of the facial and glossopharyngeal nerves that pass through the petrosal bone, and the inferior ganglion of the glossopharyngeal nerve, which is situated in a notch in this bone. 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 1713 W. Cheselden Anat. Humane Body 9 It [sc. os occipitis] is bounded by the Sphenoidal, Temporal, Petrosal, and Parietal Bones. 1741 A. Monro Anat. Human Bones (ed. 3) 118 A Vein..returns to the superior petrosal Sinus. 1835–6 Todd's Cycl. Anat. & Physiol. I. 739/2 The petrosal ridges form the sides of the triangle. 1854 R. Owen Struct. Skeleton & Teeth in Orr's Circle Sci.: Org. Nature I. 192 It is excavated in front to lodge the petrosal cartilage. 1881 A. L. Ranney Appl. Anat. Nerv. Syst. ii. 179 (caption) A diagram of the branches of the facial nerve... 3, orifice of aqueduct of Fallopius; 4, large petrosal nerve; 5, small petrosal nerve; 6, external petrosal nerve. 1888 W. R. Gowers Man. Dis. Nerv. Syst. II. iv. 250 The tympanic nerve of Jacobson (arising from the enlargement on the glosso-pharyngeal, termed the ‘petrosal ganglion’), forms, with the sympathetic, the tympanic plexus in the wall of the middle ear. 1939 T. L. Green Pract. Animal Biol. i. 139 Find the petro-hyoid which extends from the hyoid outwards to the ‘petrosal’ region beside the tympanum. 1955 R. Macintosh & M. Ostlere Local Analgesia Head & Neck i. 9 This ganglion is the relay centre for the parasympathetic secretomotor fibres which the maxillary division receives from the facial nerve via the greater superficial petrosal nerve and the nerve of the pterygoid canal. 1972 M. L. Barr Human Nerv. Syst. viii. 128/2 The sensory fibres in question [sc. those for taste] leave the facial nerve in the greater petrosal branch at the level of the geniculate ganglion. 1980 Gray's Anat. (ed. 36) vii. 1074/2 This nucleus..sends its fibres..to the lesser petrosal nerve and the otic ganglion. 1985 Radiology 154 112/3 Pneumatoceles can be classified as frontal, occipital, or petrosal. 1990 Q. Jrnl. Med. 77 1132 The usefulness of petrosal vein sampling..was not assessed in this series. 1993 Jrnl. Clin. Endocrinol. & Metabolism 77 505/1 Both inferior petrosal sinuses were catheterized in all subjects. B. n. The petrous bone. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > bones of ear > periotic bone and parts rock-bone1615 rocky bone1615 stony bone1615 petrous1836 otocrane1846 petrosal1846 periotic1865 1846 R. Owen Lect. Compar. Anat. Vertebr. Animals v. 102 The cavities (otocranes) lodging the petrosals and organs of hearing are completely separated from each other. 1878 F. J. Bell & E. R. Lankester tr. C. Gegenbaur Elements Compar. Anat. 458 In all birds and Reptiles the petrosal (prootic) lies in front of the ex~occipital. 1883 Science 8 June 506/2 The prootic produces all that portion of the petrosal seen within the cranial cavity. 1973 Nature 5 Oct. 275/2 MacIntyre discusses the morphology of the petrosal of Late Cretaceous mammals and recognizes in them a primitive pattern which he terms ‘trisulcate’. 1998 Nature 3 Dec. 459/2 The petrosals..are similar to those attributed to metatherians from the Late Cretaceous of North America. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online June 2022). < adj.n.1713
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