postsphenoidn.adj.
/ˌpəʊs(t)ˈsfiːnɔɪd/, U.S. /ˌpoʊs(t)ˈsfiˌnɔɪd/ Anatomy.
A. n.
The posterior part of the sphenoid bone of the skull, which forms a separate bone in some vertebrates (and in human infants).
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
1862 Proc. Royal Soc. 1860–62 11 165 He considers the skull to be composed of seven segments;..posteriorly the occipital segment, then the parietal segment, to which belong the postsphenoid and parietals, and anteriorly the frontal segment [etc.].
1910 S. Sisson Text-bk. Vet. Anat. 51 The temporal wings (Alæ temporales) extend outward and somewhat upward from the body of the post-sphenoid.
1987 Jrnl. Anat. 153 47 The canal represents the impression left by the remnants of the sphenoidal synchondrosis between the presphenoid and postsphenoid.
B. adj.
= postsphenoidal adj. Only in postsphenoid bone.
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
1862 Philos. Trans. (Royal Soc.) 152 298 The bodies of the occipital, postsphenoid, and presphenoid bones.
1994 Jrnl. Med. Genetics 31 823 These are vertebral body malformations, consisting of double corpora and of osseous malformations in the components of the cranial base, the corpus of the occipital bone, and the postsphenoid bone.
This entry has been updated (OED Third Edition, December 2006; most recently modified version published online March 2022).
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n.adj.1862