limen of insula


limen

 [li´men] (L.) a threshold or boundary.limen of insula (limen in´sulae) the point at which the cortex of the insula is continuous with the cortex of the frontal lobe.limen na´si the ridge marking the boundary between the vestibule of the nose and the nasal cavity proper.

limen of insula

The portion of the cortex of the brain that provides a threshold to the insula. The middle cerebral artery passes over this threshold to extend to the insula. See also: limen