Presphenoid bone

Presphenoid bone
Presphenoid Pre*sphe"noid, a. (Anat.) Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i. e., the presphenoid bone). [1913 Webster]

{Presphenoid bone} (Anat.), the anterior part of the body of the sphenoid bone in front of the basisphenoid. It is usually a separate bone in the young or fetus, but becomes a part of the sphenoid in the adult. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • presphenoid bone — presphenoidal bone see under part …   Medical dictionary

  • Presphenoid — Pre*sphe noid, a. (Anat.) Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i. e., the presphenoid bone). [1913 Webster] {Presphenoid bone} (Anat.), the anterior part of the body of the sphenoid… …   The Collaborative International Dictionary of English

  • Presphenoid — Pre*sphe noid, n. (Anat.) The presphenoid bone. [1913 Webster] …   The Collaborative International Dictionary of English

  • presphenoid — In front of the sphenoid bone or cartilage. * * * pre·sphe·noid sfē .nȯid n a presphenoid bone or cartilage usu. united with the basisphenoid in the adult and in humans forming the anterior part of the body of the sphenoid presphenoid also… …   Medical dictionary

  • presphenoid — 1. adjective Situated in front of the sphenoid bone 2. noun The anterior part of the sphenoid bone (a separate bone before being fused) Syn: presphenoid bone …   Wiktionary

  • presphenoid part of sphenoid bone — presphenoidal part of sphenoid bone the anterior portion of the sphenoid bone; it develops separately in the fetus and unites with the postsphenoidal part between the seventh and eighth months of intrauterine life. Called also presphenoid bone …   Medical dictionary

  • Bone — is the substance that forms the skeleton of the body. It is composed chiefly of calcium phosphate and calcium carbonate. It also serves as a storage area for calcium, playing a large role in calcium balance in the blood. The 206 bones in the body …   Medical dictionary

  • Sphenoid bone — Bone: Sphenoid bone Cranial Bones. Only the end of the wing of the sphenoid bone is visible …   Wikipedia

  • Sphenoid bone — Sphenoid Sphe noid, a. [Gr. ???; sfh n a wedge + e i^dos form: cf. F. sph[ e]no[ i]de.] 1. Wedge shaped; as, a sphenoid crystal. [1913 Webster] 2. (Anat.) Of or pertaining to the sphenoid bone. [1913 Webster] {Sphenoid bone} (Anat.), an… …   The Collaborative International Dictionary of English

  • postsphenoid part of sphenoid bone — postsphenoidal part of sphenoid bone the posterior portion of the sphenoid bone; in the fetus it consists of separate basisphenoid, pterygoid, and alisphenoid parts, first cartilaginous and later bony, which fuse to each other and to the… …   Medical dictionary

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