Rolando

Description

The central sulcus (fissure of Rolando; central fissure) is situated about the middle of the lateral surface of the hemisphere, and begins in or near the longitudinal cerebral fissure, a little behind its mid-point. It runs sinuously downward and forward, and ends a little above the posterior ramus of the lateral fissure, and about 2.5 cm. behind the anterior ascending ramus of the same fissure. It described two chief curves :

  • a superior genu with its concavity directed forward
  • an inferior genu with its concavity directed backward.

The central sulcus forms an angle opening forward of about 70 degrees with the median plane.


This definition incorporates text from a public domain edition of Gray's Anatomy (20th U.S. edition of Gray's Anatomy of the Human Body, published in 1918 – from http://www.bartleby.com/107/).

Images

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