Falx Cerebri

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** A double-fold of dura mater that lies within the medial longitudinal fissure, and which separates the two cerebral hemispheres. It is attached rostrally to the crista galli and caudally to the surface of the tentorium cerebelli.

**Synonyms:** - Cerebral Falx - Falx of Cerebrum