| T1 | longitudinal relaxation time |
|---|---|
| T1 | spin-lattice or longitudinal relaxation time; tricuspid first sound |
| HVL | Half-Value Layer |
| GL | gland; glomerular layer; glycolipid; glycosphingolipid; glycyrrhizin; greatest length; gustatory lac... |
| GLH | germinal layer hemorrhage; giant lymph node hyperplasia |