| VMA | <abbreviation> Vanillylmandelic acid. (05 Mar 2000) |
|---|---|
| VMA test | A test for catecholamine-secreting tumours (pheochromocytoma and neuroblastoma) performed on a 24-hr urine specimen; it is based on the fact that vanillylmandelic acid is the major urinary metabolite of norepinephrine and epinephrine. Synonym: 3-methoxy-4-hydroxymandelic acid test, VMA test. (05 Mar 2000) |
| Vmax | <biochemistry> The maximum initial velocity of an enzyme catalysed reaction. I.e. at saturating substrate levels. (18 Nov 1997) |
| VMD | <abbreviation> Doctor of Veterinary Medicine. (05 Mar 2000) |