| / English Dictionary |
AUTONOMIC NERVOUS SYSTEM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
The part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands
Synonyms:
Classified under:
Hypernyms ("autonomic nervous system" is a kind of...):
neural structure (a structure that is part of the nervous system)
Meronyms (parts of "autonomic nervous system"):
autonomic ganglion (any of the ganglia of the autonomic system whose unmyelinated fibers innervate the internal organs)
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; parasympathetic nervous system (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)
Holonyms ("autonomic nervous system" is a part of...):
nervous system; systema nervosum (the sensory and control apparatus consisting of a network of nerve cells)
Context examples:
Generally speaking, the autonomic nervous system regulates the internal environment during both peaceful activity and physical or emotional stress.
(Autonomic nervous system, NLM, Medical Subject Headings)
Traumatic injuries to the brain, cranial nerves, spinal cord, autonomic nervous system, or neuromuscular system, including iatrogenic injuries induced by surgical procedures.
(Nervous System Injury, NLM, Medical Subject Headings)
Benign and malignant neoplastic processes arising from or involving components of the central, peripheral, and autonomic nervous systems, cranial nerves, and meninges.
(Nervous System Neoplasm, NLM, Medical Subject Headings)
This includes disorders of the brain, spinal cord, cranial nerves, peripheral nerves, nerve roots, autonomic nervous system, neuromuscular junction, and muscle.
(Nervous System Disorder, NLM, Medical Subject Headings)
Also called ANS and autonomic nervous system.
(Involuntary nervous system, NCI Dictionary)
A rare neurodegenerative disorder characterized by loss of autonomic nervous system functions and disturbances of motor, balance and muscle coordination.
(Multiple System Atrophy, NCI Thesaurus)
The team at BSMS conducted an experiment where participants listened to sounds recorded from natural and artificial environments, while their brain activity was measured in an MRI scanner, and their autonomic nervous system activity was monitored via minute changes in heart rate.
(Sound of Nature Helps Us Relax, The Titi Tudorancea Bulletin)
Through projections to various brain regions including relay nuclei of the autonomic nervous system, hypothalamic regions and the central nucleus of the amygdala, the BNST controls endocrine and autonomic reactions in response to emotionally-salient stimuli, along with behavioral expression of anxiety and fear, Science Daily reported.
(The Secret Connection between Anxiety, Sleep, The Titi Tudorancea Bulletin)
Though the exact mechanism of action of methocarbamol was not established, it's postulated to be via a mechanism similar of carbamate, inhibition of acetylcholinesterase at synapses in the autonomic nervous system, neuromuscular junction, and central nervous system.
(Methocarbamol, NCI Thesaurus)
These findings suggest that type 2 diabetes – and perhaps other cigarette smoking-related diseases in which abnormalities in the autonomic nervous system play a role, such as hypertension and cardiovascular disease – originate in the brain and implicate nicotine-induced disrupted interactions between the habenula and the peripheral nervous system.
(Nicotine addiction linked to diabetes through a DNA-regulating gene in animal models, National Institutes of Health)
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