processus mamillaris

Etymology
Coined by the British surgeon G. M. Humphry; from, because of its resemblance to a small breast.

Noun

 * 1)  A rounded protuberance found on the posterior edge of the superior articular process of a lumbar vertebra.
 * 2) * 2011, Jiri Nedoma, Jiri Stehlik, Ilan Hlavacek, Josef Danek, Tatjana Dostolova, & Petra Preckova, Mathematical and Computational Methods in Biomechanics of Human Skeletal Systems, Chapter 7.10, page 464
 * The processus mamillaris is located on the dorsolateral edge of the upper articular process.