English dictionary of medical terms (59)

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No:1160 - neuronal: pertaining to a neuron or neurons (= conducting cells of the nervous system).
No:1161 - neuropathy: a general term denoting functional disturbances and/or pathological changes in the peripheral nervous system. The etiology may be known e.g. arsenical n., diabetic n., ischemic n., traumatic n.) or unknown. Encephalopathy and myelopathy are corresponding terms relating to involvement of the brain and spinal cord, respectively. The term is also used to designate noninflammatory lesions in the peripheral nervous system, in contrast to inflammatory lesions (neuritis).
No:1162 - neurotic: 1. pertaining to or characterized by neurosis. 2. a person affected with a neurosis.
No:1163 - neurotoxic: poisonous or destructive to nerve tissue.
No:1164 - neurotransmitter: any of a group of substances that are released on excitation from the axon terminal of a presynaptic neuron of the central or peripheral nervous system and travel across the synaptic cleft to either excite or inhibit the target cell. Among the many substances that have the properties of a neurotransmitter are acetylcholine, norepinephrine, epinephrine, dopamine, glycine, y-aminobutyrate, glutamic acid, substance P, enkephalins, endorphins, and serotonin.
No:1165 - neurovegetative: pertaining to the vegetative (autonomic) nervous system.
No:1166 - neutralization: an act or process of neutralizing.
No:1167 - neutropenia: leukopenia in which the decrease in white blood cells is chiefly in neutrophils.
No:1168 - neutrophil: (of a cell or cell part) having an affinity for neutral dyes.
No:1169 - nidation: (L. nidus nest) implantation of the conceptus in the endometrium.
No:1170 - nil: nothing, zero.
No:1171 - nocturia: (L. nox night + Gr. ouron urine + -ia) excessive urination at night.
No:1172 - nocturnal: (L. nocturnus) pertaining to, occurring at, or active at night.
No:1173 - nodose: (L. nodosus) having nodes or projections.
No:1174 - nonspecific: 1. not due to any single known cause, as to a particular pathogen. 2. not directed against a particular agent, but rather having a general effect, as nonspecific therapy.
No:1175 - normalization: the process of bringing or restoring to the normal standard.
No:1176 - normotensive: 1. characterized by normal tone, tension, or pressure, as by normal blood pressure. 2. a person with normal blood pressure.
No:1177 - nosocomial: (nosa- + Gr. komeion to take care of) pertaining to or originating in the hospital, said of an infection not present or incubating prior to admittance to the hospital, but generally occurring 72 hours after admittance; the term is usually used to refer to patient disease, but hospital personnel may also acquire nosocomial infection. Cf. iatrogenic.
No:1178 - nulliparous: having never given birth to a viable infant.
No:1179 - nummular: (L. nummularis) coin-sized and coin-shaped.

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