Spine of helix
Spina helicis
Definition
At the front part of the auricula, where the helix bends upward (Crus of helix), is a small projection of cartilage, called the spine of helix (spina helicis), while in the lower part of the helix the cartilage is prolonged downward as a tail-like process, the cauda helicis
References
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/).
