nervous tissue nerve tissue | tissue composed of neurons |
nervous system systema nervosum | the sensory and control apparatus consisting of a network of nerve cells |
central nervous system CNS systema nervosum centrale | the portion of the vertebrate nervous system consisting of the brain and spinal cord |
peripheral nervous system systema nervosum periphericum | the section of the nervous system lying outside the brain and spinal cord |
autonomic nervous system ANS | the part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands |
sympathetic nervous system | originates in the thoracic regions of the spinal cord, opposes physiological effects of the parasympathetic: reduces digestive secretions, speeds the heart, contracts blood vessels |
parasympathetic nervous system parasympathetic | originates in the brain stem and lower part of the spinal cord, opposes physiological effects of the sympathetic nervous system: stimulates digestive secretions, slows the heart, constricts the pupils, dilates blood vessels |
nerve impulse nervous impulse neural impulse impulse | the electrical discharge that travels along a nerve fiber, they demonstrated the transmission of impulses from the cortex to the hypothalamus |
nervous breakdown | a severe or incapacitating emotional disorder |
nervous exhaustion nervous prostration | an emotional disorder that leaves you exhausted and unable to work |
nervous disorder neurological disorder neurological disease | a disorder of the nervous system |
strain mental strain nervous strain | (psychology) nervousness resulting from mental stress, his responsibilities were a constant strain, the mental strain of staying alert hour after hour was too much for him |
skittish flighty spooky nervous | unpredictably excitable (especially of horses) |
aflutter nervous | excited in anticipation |
nervous | easily agitated, a nervous addict, a nervous thoroughbred |
anxious nervous queasy uneasy unquiet | causing or fraught with or showing anxiety, spent an anxious night waiting for the test results, cast anxious glances behind her, those nervous moments before takeoff, an unquiet mind |
nervous neural | of or relating to the nervous system, nervous disease, neural disorder |