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metanephrine

   Also found in: Encyclopedia, Wikipedia 0.01 sec.
metanephrine /meta·neph·rine/ (-nef´rin) a metabolite of epinephrine excreted in urine and found in certain tissues.
met·a·neph·rine (mt-nfrn, -rn)
n.
A catabolite of epinephrine excreted in the urine and found in some tissues.

metanephrine
[met′ənef′rin]
one of the two principal urinary metabolites of epinephrine and norepinephrine in the urine, the other being vanillylmandelic acid. The 24-hour normal adult value for total metanephrine is 1.3 mg; normally less than 1.3 mg is excreted in 24 hours.

metanephrine [met″ah-nef´rin]
a urinary metabolite of epinephrine.

metanephrine
(met´nef´rin),
n one of the two principal urinary metabolites of epinephrine and norepinephrine in the urine, the other being vanillylmandelic acid.

metanephrine
a urinary metabolite of epinephrine.

metanephrine
Methoxyepinephrine Lab medicine Any exogenous or endogenous catecholamine metabolite excreted in the urine; metnephrines ↑ in neuroblastoma, pheochomocytoma, metastases, stress, sepsis


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6, glucose 124; * plasma metanephrine was normal at 0.
The endocrine studies (urinary metanephrine, vanillylmandelic acid, homovanillic acid and dopamine) are useful in patients with symptoms of cathacolamine-secreting tumors.
In a suspected case of adrenal neoplasm, or in elucidating the cause of secondary hypertension in addition to excluding pheochromocytoma by serum metanephrine or VMA in urine, cortisol production should also be measured by either serum cortisol levels or a low-dose dexamethasone suppression test.
 
 
 
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