Pterygoid bone

A paired bone forming part of the palate of many vertebrates
Skull diagram of Champsosaurus, showing the pterygoid bone

The pterygoid is a paired bone forming part of the palate of many vertebrates, behind the palatine bones.[1]

It is a flat and thin lamina, united to the medial side of the pterygoid process of the sphenoid bone, and to the perpendicular lamina of the palatine bone.[2]

References

  1. ^ "Origin of the pterygoid bone and pharyngeal musculature in mammals". crompton.oeb.harvard.edu. Retrieved 2024-01-29.
  2. ^ "Pterygoid bone - vet-Anatomy - IMAIOS". www.imaios.com. Retrieved 2024-01-29.
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Bones in the tetrapod skeleton
Skull
Cranium
Skull roof
Composite bones
Braincase
Composite bones
  • Occipital (Supraoccipital+Exoccipital+Basioccipital)
  • Otoccipital (Exoccipital+Opisthotic)
  • Parabasisphenoid (Parasphenoid+Basisphenoid)
  • Petrosal (Prootic+Opisthotic)
  • Temporal (Squamosal+Petrosal+Ectotympanic)
Palate
Mandible
Hyoid
Postcranial skeleton
Axial
Vertebrae
Ribs
Appendicular
Pectoral girdle
Forelimb
Manus
Carpus
Distal carpals
  • Distal carpal 1 (Trapezium)
  • Distal carpal 2 (Trapezoid)
  • Distal carpal 3 (Capitate)
  • Distal carpal 4 (Hamate)
  • Distal carpal 5
Pelvic girdle
Hindlimb
Pes
Tarsus
Proximal tarsals
Centralia
  • Centrale 1
  • Centrale 2
  • Centrale 3
  • Centrale 4
Distal tarsals
Composite tarsals
  • Astragalus (Talus) (Tibiale+Intermedium+Centrale 3+4)
  • Navicular (Centrale 1+2)
  • Cuboid (Distal tarsal 4+5)
Miscellaneous
  • Parentheses denote bones that receive a different name in particular clades
  • Italics denote neomorphic bones present only in particular clades


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