octopamine

(redirected from norsympatol)
Also found in: Encyclopedia.

oc·to·pa·mine

(ok-tō'pă-mēn),
A sympathomimetic amine; a false neurotransmitter produced by noradrenergic neurons in the presence of monoamine oxidase inhibitors.

octopamine

/oc·to·pam·ine/ (ok″to-pam´ēn) a sympathomimetic amine thought to result from inability of the diseased liver to metabolize tyrosine; it is called a false neurotransmitter, since it can be stored in presynaptic vesicles, replacing norepinephrine, but has little effect on postsynaptic receptors.