Nuchal plane

Nuchal plane
Occipital bone at birth.
Occipital bone. Outer surface.
Details
Latin	planum nuchale
Dorlands /Elsevier	p_22/12644583
Anatomical terms of bone []

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 incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)