Term: enkephalin: an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: semen: the thick white fluid containing spermatozoa that is ejaculated by the male genital tract
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: palinuridae: spiny lobsters
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: killing field: (usually plural) an area where many people have died (usually by massacre or genocide during war or violent civil disturbance)
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: pyromorphite: a mineral consisting of lead chloride and phosphate; a minor source of lead
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: fanatic: a person motivated by irrational enthusiasm (as for a cause); --Winston Churchill
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: phoebe: small dun-colored North American flycatcher
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: psilotales: lower vascular plants having dichotomously branched sporophyte divided into aerial shoot and rhizome and lacking true roots
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: solicitation: request for a sum of money
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: scapular: garment consisting of a long wide piece of woolen cloth worn over the shoulders with an opening for the head; part of a monastic habit
Broader: endorphin: a neurochemical occurring naturally in the brain and having analgesic properties | Unrelated: central vein of retina: vein formed by the union of the retinal veins; accompanies central arteries of the retina in the optic nerve