dihydroergotamine

n. a semisynthetic derivative of the ergot alkaloid ergotamine, used in the treatment of acute migraine headache. It is a potent vasoconstrictor due to its ability to antagonize alpha-adrenergic receptors in blood-vessel walls as well as serotonin and dopamine receptors. U.S. trade names: DHE 45; Migranal.

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Psychology term of the day

January 28th 2025

autophony

n. the hearing of one’s own voice reverberating inside one’s head. Autophony is usually caused by diseases of the middle ear, such as serous otitis media, a condition called patulous eustachian tube in which the eustachian tube remains open, or superior canal dehiscence. Also called autophonia; autophonic response.