| HPRT | Hypoxanthine Phospho-Ribosyl-Transferase |
|---|---|
| LCAT | Lecithin Cholesterol Acyl-Transferase |
| OCT | 1) Ornithine Carbamyl Transferase 2) Oxytocin Challenge Test |
| TDT, Tdt, TdT | Terminal deoxynucleotidal Transferase |
| ACACT | acyl-coenzyme A:cholesterol acyl transferase |