mesopterygoidadj.n.

Brit.

/ˌmɛsə(ʊ)pˈtɛrᵻɡɔɪd/, U.S.

/ˌmɛzɑpˈtɛrəˌɡɔɪd/; see also meso- comb. form.

Origin: Formed within English, by compounding. Etymons: meso- comb. form, pterygoid adj.

Etymology: < meso- comb. form + pterygoid adj.

A. adj.

†1. Zoology. Relating to or designating a dorsal or anterior part of the pterygoid bone of non-mammalian vertebrates, or esp. a distinct bone corresponding to this in certain groups. Obsolete.

ΚΠ

1866 W. K. Parker in Philos. Trans. (Royal Soc.) 156 161 Its hinder lobes are strongly fitted beneath each ‘mesopterygoid’ spur of the pterygoids.

1875 Encycl. Brit. III. 706/2 ‘Meso-pterygoid process’.

1879 Philos. Trans. 1878 (Royal Soc.) 169 704 If..the upper jaw in Polyodon is formed by the union of the pterygoid processes only, then the ectosteal patches represent a mesopterygoid element.

2. Anatomy and Zoology mesopterygoid fossa n. the cavity between the two pterygoid bones of the skull.

ΘΚΠ

the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > sphenoid bone > parts of or associated with

pterygium1684

sella1684

pterygoid process1697

pterygoid bone1719

pterygoid fossa1733

pterygoidean1753

pterygoid plate1758

pterygoid1822

ingrassial bones1839

alisphenoid1846

presphenoid1851

clinoid1854

postsphenoid1862

postsphenoid bone1862

mesopterygoid fossa1881

Vesalian foramen1891

1881 St. G. Mivart Cat iii. 70 The very considerable space included between the two pterygoid plates is called the meso~pterygoid fossa, and that is single and median.

1967 Proc. Royal Soc. 1966–7 B. 166 409 Length of the mesopterygoid fossa measured in the mid-line from its anterior margin to a point level with the hindmost margins of the pterygoid process.

1995 Bull. Florida Mus. Nat. Hist. 37 416 The mesopterygoid fossa is ovate in outline, very deep, and opens anterodorsally into the internal narial passage.

B. n.

1. Zoology (now chiefly historical). A mesopterygoid bone.

ΘΚΠ

the world > animals > animal body > general parts > constituent materials > [noun] > bone joining skull and jaw

articular1830

mesopterygoid1866

suspensorium1870

1866 W. K. Parker in Philos. Trans. (Royal Soc.) 156 158 The pterygoids have their usual struthious form, being..thin and splintery in front, where the ‘mesopterygoid’ becomes segmented off in other birds.

1875 Encycl. Brit. III. 711/1 All the Schizognathæ, except the Fowl tribe, have ‘meso-pterygoids’.

1885 Proc. Royal Soc. 1884–5 38 131 The pterygoids [in Marsupials] are very small, and have their basicranial parts limited on account of the constant separate development of a large meso-pterygoid.

1929 Q. Rev. Biol. 4 238/1 It [sc. Seymouria] was indeed a survivor of the earlier amphibians in..the presence of separate ossicles (the ‘mesopterygoids’ of Broom), lying between the basipterygoid processes of the basisphenoid and the pterygoids.

2. Ichthyology. A thin bony lamina in the skull of teleostean fishes which fits against the upper edge of the pterygoid bone.

ΘΚΠ

the world > animals > fish > parts of fish > [noun] > bones (various types of)

grate1481

pharyngeal1791

suboperculum1818

supratemporal1834

shackle-joint1837

mastoid1840

wrist1840

mastoid bone1841

subopercular1841

mesotympanic1846

suprascapula1846

hypobranchials1848

hypotympanic1848

urohyal1848

radius1854

epicentral1866

pterotic1866

mesocoracoid1868

supraclavicle1868

precoracoid1869

symplectic1870

hypural1871

mesopterygoid1871

post-temporal1871

postclavicle1872

brachial1873

urostyle1875

hypercoracoid1876

admaxillary1885

intercalarium1887

palatopterygoquadrate1888

subtectal1888

Weberian apparatus1889

Weberian ossicles1889

radial1890

supracleithrum1903

1871 Amer. Naturalist 5 583 The suspensor of the mandible in the typical fishes consists of the hyomandibular stapes, quadrate.., symplectic and mesopterygoid.

1962 K. F. Lagler et al. Ichthyol. iii. 66 Dermal bones of the upper jaw are the premaxillaries, maxillaries, pterygoids, and mesopterygoids.

1986 Japanese Jrnl. Ichthyol. 33 1 Similarities in such bones as the ectopterygoid and mesopterygoid suggests that these two families are relatively closely related.

1996 Copeia iii. 657 Shared features of the ethmoid and jaw bones, mesopterygoid,..and infraorbital laterosensory canal suggest that Magosternarchus is most closely related to Sternarchella.

This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022).

单词	mesopterygoid
释义	mesopterygoidadj.n. Brit. /ˌmɛsə(ʊ)pˈtɛrᵻɡɔɪd/, U.S. /ˌmɛzɑpˈtɛrəˌɡɔɪd/; see also meso- comb. form. Origin: Formed within English, by compounding. Etymons: meso- comb. form, pterygoid adj. Etymology: < meso- comb. form + pterygoid adj. A. adj. †1. Zoology. Relating to or designating a dorsal or anterior part of the pterygoid bone of non-mammalian vertebrates, or esp. a distinct bone corresponding to this in certain groups. Obsolete. ΚΠ 1866 W. K. Parker in Philos. Trans. (Royal Soc.) 156 161 Its hinder lobes are strongly fitted beneath each ‘mesopterygoid’ spur of the pterygoids. 1875 Encycl. Brit. III. 706/2 ‘Meso-pterygoid process’. 1879 Philos. Trans. 1878 (Royal Soc.) 169 704 If..the upper jaw in Polyodon is formed by the union of the pterygoid processes only, then the ectosteal patches represent a mesopterygoid element. 2. Anatomy and Zoology mesopterygoid fossa n. the cavity between the two pterygoid bones of the skull. ΘΚΠ the world > life > the body > structural parts > bone or bones > skull > parts of skull > [noun] > sphenoid bone > parts of or associated with pterygium1684 sella1684 pterygoid process1697 pterygoid bone1719 pterygoid fossa1733 pterygoidean1753 pterygoid plate1758 pterygoid1822 ingrassial bones1839 alisphenoid1846 presphenoid1851 clinoid1854 postsphenoid1862 postsphenoid bone1862 mesopterygoid fossa1881 Vesalian foramen1891 1881 St. G. Mivart Cat iii. 70 The very considerable space included between the two pterygoid plates is called the meso~pterygoid fossa, and that is single and median. 1967 Proc. Royal Soc. 1966–7 B. 166 409 Length of the mesopterygoid fossa measured in the mid-line from its anterior margin to a point level with the hindmost margins of the pterygoid process. 1995 Bull. Florida Mus. Nat. Hist. 37 416 The mesopterygoid fossa is ovate in outline, very deep, and opens anterodorsally into the internal narial passage. B. n. 1. Zoology (now chiefly historical). A mesopterygoid bone. ΘΚΠ the world > animals > animal body > general parts > constituent materials > [noun] > bone joining skull and jaw articular1830 mesopterygoid1866 suspensorium1870 1866 W. K. Parker in Philos. Trans. (Royal Soc.) 156 158 The pterygoids have their usual struthious form, being..thin and splintery in front, where the ‘mesopterygoid’ becomes segmented off in other birds. 1875 Encycl. Brit. III. 711/1 All the Schizognathæ, except the Fowl tribe, have ‘meso-pterygoids’. 1885 Proc. Royal Soc. 1884–5 38 131 The pterygoids [in Marsupials] are very small, and have their basicranial parts limited on account of the constant separate development of a large meso-pterygoid. 1929 Q. Rev. Biol. 4 238/1 It [sc. Seymouria] was indeed a survivor of the earlier amphibians in..the presence of separate ossicles (the ‘mesopterygoids’ of Broom), lying between the basipterygoid processes of the basisphenoid and the pterygoids. 2. Ichthyology. A thin bony lamina in the skull of teleostean fishes which fits against the upper edge of the pterygoid bone. ΘΚΠ the world > animals > fish > parts of fish > [noun] > bones (various types of) grate1481 pharyngeal1791 suboperculum1818 supratemporal1834 shackle-joint1837 mastoid1840 wrist1840 mastoid bone1841 subopercular1841 mesotympanic1846 suprascapula1846 hypobranchials1848 hypotympanic1848 urohyal1848 radius1854 epicentral1866 pterotic1866 mesocoracoid1868 supraclavicle1868 precoracoid1869 symplectic1870 hypural1871 mesopterygoid1871 post-temporal1871 postclavicle1872 brachial1873 urostyle1875 hypercoracoid1876 admaxillary1885 intercalarium1887 palatopterygoquadrate1888 subtectal1888 Weberian apparatus1889 Weberian ossicles1889 radial1890 supracleithrum1903 1871 Amer. Naturalist 5 583 The suspensor of the mandible in the typical fishes consists of the hyomandibular stapes, quadrate.., symplectic and mesopterygoid. 1962 K. F. Lagler et al. Ichthyol. iii. 66 Dermal bones of the upper jaw are the premaxillaries, maxillaries, pterygoids, and mesopterygoids. 1986 Japanese Jrnl. Ichthyol. 33 1 Similarities in such bones as the ectopterygoid and mesopterygoid suggests that these two families are relatively closely related. 1996 Copeia iii. 657 Shared features of the ethmoid and jaw bones, mesopterygoid,..and infraorbital laterosensory canal suggest that Magosternarchus is most closely related to Sternarchella. This entry has been updated (OED Third Edition, September 2001; most recently modified version published online March 2022). < adj.n.1866
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