Contents
- Name of bone
- Location/Articulation
- Muscle and ligament attachments
- Surface anatomy
- Radiography
- Physical examination
- Embryology
- Anomalies
- Injuries/Disorders
Name of bone
Sphenoid
Location/Articulation
The sphenoid bone (from the Greek sphenoeides, or “wedgelike”) is situated at the base of the skull, in front of the temporal bone and basilar part of the occipital bone. The sphenoid bone is one of the seven bones whose articulation forms the orbit. Its shape somewhat resembles that of a butterfly or bat with its wings extended.
Figure 1. Sphenoid bone, center right
Figure 2. Sphenoid bone, upper surface
Muscle and ligament attachments
Surface anatomy
The sphenoid bone is divided into the following parts:
- A median portion, known as the body of sphenoid bone, containing the sella turcica which houses the pituitary gland
- Two greater wings and two lesser wings
- Pterygoid processes of the sphenoides, which project from it posteriorly
Two sphenoidal conchae are situated at the anterior and posterior part of the body.
Radiography
Physical examination
Embryology
Anomalies
Injuries/Disorders
Attachments:
sphenoid.jpg (image/pjpeg)
120px-Gray145.png (image/png)
Gray145.png (image/png)
Gray164.png (image/png)
Last Updated on June 27, 2024
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