impulse excitation
101ear, human — ▪ anatomy Introduction organ of hearing and equilibrium that detects and analyzes noises by transduction (or the conversion of sound waves into electrochemical impulses) and maintains the sense of balance (equilibrium). The human ear, like …
102chemoreceptor — Any cell that is activated by a change in its chemical milieu and results in a nerve impulse. Such cells can be either 1) “transducer” cells innervated by sensory nerve fibers ( e.g., the gustatory receptor cells of the taste buds; …
103KATZ (Benshalom), BENZION — (1907–1968), Hebrew translator, literary critic, and educator. He was the brother of juliusz katz suchy . Born in Sanok, Galicia, he studied at the University of Cracow, taught Hebrew language there (1929–39), and lectured at the Warsaw Institute …
104Reflex — Re flex (r? fl?ks), a. [L. reflexus, p. p. of reflectere: cf. F. r[ e]flexe. See {Reflect}.] 1. Directed back; attended by reflection; retroactive; introspective. [1913 Webster] The reflex act of the soul, or the turning of the intellectual eye… …
105Reflex action — Reflex Re flex (r? fl?ks), a. [L. reflexus, p. p. of reflectere: cf. F. r[ e]flexe. See {Reflect}.] 1. Directed back; attended by reflection; retroactive; introspective. [1913 Webster] The reflex act of the soul, or the turning of the… …
106Reflex nerve — Reflex Re flex (r? fl?ks), a. [L. reflexus, p. p. of reflectere: cf. F. r[ e]flexe. See {Reflect}.] 1. Directed back; attended by reflection; retroactive; introspective. [1913 Webster] The reflex act of the soul, or the turning of the… …
107Harmonic oscillator — This article is about the harmonic oscillator in classical mechanics. For its uses in quantum mechanics, see quantum harmonic oscillator. Classical mechanics …
108Lysergic acid diethylamide — LSD redirects here. For other uses, see LSD (disambiguation). LSD 25 redirects here. For the dock landing ship, see USS San Marcos (LSD 25). For the Fringe episode, see Lysergic Acid Diethylamide (Fringe). Lysergic acid diethylamide …
109Chemical synapse — This article is about chemical synapses of the nervous system. For other uses, see Synapse (disambiguation). Illustration of the major elements in chemical synaptic transmission. An electrochemical wave called an action potential travels along… …
110Optical amplifier — An optical amplifier is a device that amplifies an optical signal directly, without the need to first convert it to an electrical signal. An optical amplifier may be thought of as a laser without an optical cavity, or one in which feedback from… …
