| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
|---|---|
| HEK | human embryo kinase; human embryonic kidney |
| ACC | accommodation; acetyl coenzyme A carboxylase; acinic cell carcinoma; acute care center; adenoid cyst... |
| HEL | hen egg white lysozyme; human embryonic lung; human erythroleukemia |
| HLT | heart-lung transplantation; human lipotropin; human lymphocyte transformation |