Nuchal plane

Bone: Nuchal plane
Occipital bone at birth.
Occipital bone. Outer surface.
Latin planum nuchale
Gray's subject #31 130

That part of the squama occipitalis which lies below the highest nuchal lines is termed the planum nuchale (or nuchal plane), is rough and irregular for the attachment of several muscles.

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.