The middle clinoid process is a small, bilaterally paired elevation on either side of the tuberculum sellae, at the anterior boundary of the sella turcica. A (larger) anterior clinoid process is situated lateral to each middle clinoid process.[1]: 509 The diaphragma sellae (i.e. the dura forming the roof of the cavernous sinus)[1]: 443 and the dura of the floor of the hypophyseal fossa (sella turcica)[1]: 441 attach onto the middle clinoid processes.
| Middle clinoid process | |
|---|---|
 Sphenoid bone. Upper surface. (Middle clinoid process labeled at upper left.) | |
 Floor of the skull. (Sphenoid is in yellow. Middle clinoid process labeled at center left.) | |
| Details | |
| Identifiers | |
| Latin | processus clinoideus medius |
| TA98 | A02.1.05.008 |
| TA2 | 591 |
| FMA | 54700 |
| Anatomical terms of bone | |
On each side of the body, the internal carotid artery passes between the anterior and middle clinoid processes.[1]: 509
Etymology
editClinoid likely comes from the Greek root klinein or the Latin clinare, both meaning "sloped" as in "inclined."
References
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