head-dropping test n.
A test used in the diagnosis of disease of the extrapyramidal system in which the head of a person in supine position is lifted by the examiner with one hand and allowed to fall into the other; in healthy individuals, the head falls suddenly, like a dead weight, whereas in extrapyramidal disease, it falls slowly.
[hed-id] /ˈhɛd ɪd/ adjective 1. having a or course. 2. shaped or grown into a . 3. having the mentality, personality, emotional control, or quality specified, or possessing a specified number of (usually used in combination): a slow-headed student; a two-headed monster. [hed] /hɛd/ noun 1. the upper part of the body in humans, joined […]
noun the control center of a cable television system, where broadcast signals are received and distributed
[hed-er] /ˈhɛd ər/ noun 1. a person or thing that removes or puts a head on something. 2. a reaping machine that cuts off and gathers only the heads of the grain. 3. a chamber to which the ends of a number of tubes are connected so that water or steam may pass freely from […]
noun 1. a brickwork bond composed entirely of overlapping headers.