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What (who) is neurone$52407$ - definition

CONTROL EFFECTOR ORGANS, MAINLY MUSCLES AND GLANDS

Lower motor neurone; Lower motor neurons; Lower motor neurones

Upper motor neuron

NEURONS IN THE BRAIN THAT CARRY SIGNALS TO LOWER MOTOR NEURONS

Upper motor neurone; Upper motor neurons; Upper motor neurones

Upper motor neurons (UMNs) is a term introduced by William Gowers in 1886. They are found in the cerebral cortex and brainstem and carry information down to activate interneurons and lower motor neurons, which in turn directly signal muscles to contract or relax.

https://en.wikipedia.org/wiki/Upper_motor_neuron

Lower motor neuron

Lower motor neurons (LMNs) are motor neurons located in either the anterior grey column, anterior nerve roots (spinal lower motor neurons) or the cranial nerve nuclei of the brainstem and cranial nerves with motor function (cranial nerve lower motor neurons). All voluntary movement relies on spinal lower motor neurons, which innervate skeletal muscle fibers and act as a link between upper motor neurons and muscles.

https://en.wikipedia.org/wiki/Lower_motor_neuron

Sympatholytic

MEDICATION THAT OPPOSES THE DOWNSTREAM EFFECTS OF POSTGANGLIONIC NERVE FIRING IN EFFECTOR ORGANS INNERVATED BY THE SYMPATHETIC NERVOUS SYSTEM

Sympatholytics; Adrenergic neurone blockers; Sympathoplegic; Sympathoplegics; Adrenoceptor blockers; Sympatholytic drug

A sympatholytic (or sympathoplegic) drug is a medication that opposes the downstream effects of postganglionic nerve firing in effector organs innervated by the sympathetic nervous system (SNS). They are indicated for various functions; for example, they may be used as antihypertensives.

https://en.wikipedia.org/wiki/Sympatholytic

Wikipedia

Lower motor neuron

Lower motor neurons (LMNs) are motor neurons located in either the anterior grey column, anterior nerve roots (spinal lower motor neurons) or the cranial nerve nuclei of the brainstem and cranial nerves with motor function (cranial nerve lower motor neurons). Many voluntary movements rely on spinal lower motor neurons, which innervate skeletal muscle fibers and act as a link between upper motor neurons and muscles. Cranial nerve lower motor neurons also control some voluntary movements of the eyes, face and tongue, and contribute to chewing, swallowing and vocalization. Damage to the lower motor neurons can lead to flaccid paralysis, absent deep tendon reflexes and muscle atrophy.

https://en.wikipedia.org/wiki/Lower motor neuron