| SAP | Serum Amyloid Plasma component |
|---|---|
| AP | accessory pathway; accounts payable; acid phosphatase; acinar parenchyma; action potential; active p... |
| C1 | first cervical nerve; first cervical vertebra; first component of complement |
| C1a | activated first component of complement |
| C1 INH | inhibitor of first component of complement |