External occipital protuberance
System
Musculoskeletal
SNOMED CT
139582005
External occipital protuberance
Definition
Near the middle of the occipital squama is the external occipital protuberance, and extending lateralward from it on either side is the superior nuchal line, and above this the faintly marked highest nuchal line. It is less pronounced in females. The inion is the highest point of the external occipital protuberance. a projection on the external surface of the squamous part of the occipital bone in the midline.
The External occipital protuberance is a part of the Musculoskeletal.
Also identified as
- SCTID 139582005 per UBERON