Definition of MAC

MAC: Membrane attack complex; Mycobacterium avium complex.


Last Editorial Review: 6/9/2016

HIV AIDS Pictures Slideshow: Myths and Facts on Symptoms and Treatments

Search MedTerms:


Back to MedTerms online medical dictionary A-Z List
Pill Identifier Tool

Need help identifying pills and medications?
Use the pill finder tool on RxList.

Health Solutions From Our Sponsors