What Does PCA Stand For?

PCA stands for Posterior Communicating Artery

The Posterior Communicating Artery (PCA) is a critical structure in the cerebral circulation that connects the internal carotid artery to the posterior cerebral artery. It plays a vital role in providing collateral blood flow to the brain, particularly in cases of occlusion or stenosis of the carotid or vertebrobasilar systems. The PCA is essential for maintaining cerebral perfusion and is involved in various neurological assessments and interventions. Its anatomical variations and potential implications in cerebrovascular diseases highlight its significance in neuroanatomy and clinical practice.

Category : Other

Added on 1st September 2008 | Last edited on 16th June 2025 | Edit Acronym

Other Meanings for PCA