a zone which resides between the vascular distribution regions of two arteries. Even though the cerebral cortex is sufficiently supplied by arteries with collateral departments, there are regions at the intersection of the parietal and occipital lobes and between the parietal and temporal lobes which are watershed zones. These regions are especially vulnerable to anoxic damage.

WATERSHED ZONE: "A watershed zone can be damaged by ischemic cascade. "
Cite this page: N., Pam M.S., "WATERSHED ZONE," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/watershed-zone/ (accessed September 24, 2021).