Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine
MARGO POSTERIOR ULNAE
The sinuous palpable subcutaneous ridge on the posterior aspect of the ulna that extends from around the olecranon to the styloid process, demarcating "anterior" (flexor) from "posterior" (extensor) compartments of forearm.
Synonym: margo posterior ulnae.