PCAT Meaning by word

(*) generic name for drug which is used pharmacologically as a vasodilator; brand names: Isordil, Sorbitrate

(*) a compound with 2 oxygen atoms in it

(*) a broad-spectrum antibiotic that is being used as prophylaxis against disseminated Mycobacterium avium complex infection in HIV-positive patients; brand name: Mycobutin

(*) spongy, red tissue found in the reticulo-endothelial system of mammals