Basisphenoid



basisphenoid

basisphenoid ba·si·sphe·noid (bā’sĭ-sfē’noid’)
adj.

Of or relating to the base or body of the sphenoid bone.

Relating to or being the independent center of ossification in the embryo that forms the posterior portion of the body of the sphenoid bone.

Historical Examples

The basi-occipital (fig. 93, 1) too is fused with the basisphenoid.
The Vertebrate Skeleton Sidney H. Reynolds

The basisphenoid is well ossified, and there is no parasphenoid.
The Vertebrate Skeleton Sidney H. Reynolds

The basisphenoid has on each side a well marked pterygoidal apophysis.
Extinct Birds Walter Rothschild

It is difficult to avoid injury to the pituitary body embedded in the basisphenoid bone.
Text Book of Biology, Part 1: Vertebrata H. G. Wells

It unites dorsally with the exoccipitals and anteriorly with the basisphenoid.
The Vertebrate Skeleton Sidney H. Reynolds

The basisphenoid, which is fused with the parasphenoid, also forms a small part of the posteroventral margin of the optic foramen.
A Revision of Snakes of the Genus Conophis (Family Colubridae, from Middle America) John Wellman

The basisphenoid (fig. 45, 12) is an unpaired wedge-shaped bone, united along a deep vertical suture with the basi-occipital.
The Vertebrate Skeleton Sidney H. Reynolds

The basisphenoid appears on the surface immediately in front of the basi-occipital.
The Vertebrate Skeleton Sidney H. Reynolds

The skull lacks the basioccipital, basisphenoid, and left zygomatic arch.
American Weasels E. Raymond Hall

Dorsally the pterygoid articulates with the basisphenoid, quadrate, and alisphenoid.
The Vertebrate Skeleton Sidney H. Reynolds

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