synapophysis

Noun. A form of vertebrate rib, intermediate between a single- and double-headed rib, in which articulation with the vertebral column is by a single, broad head.

This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.

This entry was last updated on RefTopia from its source on 3/20/2012.