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Neuralgia of the sciatic nerve, an affection characterized by paroxysmal attacks of pain in the buttock, back of the thing, or in the leg or foot, following the course of the branches of the sciatic nerve. The name is also popularly applied to various painful affections of the hip and the parts adjoininhg. See Ischiadi…

which patches of hardening, produced by increase of the neuroglia and atrophy of the true nerve tissue, are found scattered throughout the brain and spinal cord. It is associated with complete or partial paralysis, a peculiar jerking tremor of the muscles, headache, and vertigo, and is usually fatal. Called also multip…

Causing secretion; -- said of nerves which go to glands and influence secretion.

g; performing, or connected with, the office secretion; secernent; as, secretory vessels, nerves. -- n.

ression, made upon the central nervous organ, through the medium of a sensory or afferent nerve or one of the organs of sense; a feeling, or state of consciousness, whether agreeable or disagreeable, produced either by an external object (stimulus), or by some change in the internal state of the body. Perception is onl…

Of or pertaining to sensation; as, sensational nerves.

mechanism by which some one natural force or form of energy is enabled to excite sensory nerves; as the eye, ear, an end bulb or tactile corpuscle, etc. -- Sense organule (Anat.), one of the modified epithelial cells in or near which the fibers of the sensory nerves terminate.

Sensory; as, the sensor nerves.

Concerned both in sensation and volition; -- applied to those nerve fibers which pass to and from the cerebro-spinal axis, and are respectively concerned in sensation and volition. Dunglison.

ining to the sensorium or sensation; as, sensory impulses; -- especially applied to those nerves and nerve fibers which convey to a nerve center impulses resulting in sensation; also sometimes loosely employed in the sense of afferent, to indicate nerve fibers which convey impressions of any kind to a nerve center.…

and perception. Specif. (Physiol.), especially sensitive; as, the sentient extremities of nerves, which terminate in the various organs or tissues.

d his visual ray To objects distant far. Milton. He that wrestles with us strengthens our nerves and sharpens our skill. Burke.

Muscle; nerve. [R.] Sir J. Davies.

To perceive by the olfactory nerves, or organs of smell; to have a sensation of, excited through the nasal organs when affected by the appropriate materials or qualities; to obtain the scent of; as, to smell a rose; to smell perfumes.

t of the abdomen, consisting of several sympathetic ganglia with connecting and radiating nerve fibers; -- so called in allusion to the radiating nerve fibers. -- Solar spots. See Sun spots, under Sun. -- Solar system (Astron.), the sun, with the group of celestial bodies which, held by its attraction, revolve round…

who devotes himself to diseases of particular parts of the body, as the eye, the ear, the nerves, etc.

p of a connective tissue sheath inclosing the spermatic duct and accompanying vessels and nerves.

Of or pertaining to a spine or spines. Spinal accessory nerves, the eleventh pair of cranial nerves in the higher vertebrates. They originate from the spinal cord and pass forward into the skull, from which they emerge in company with the pneumogastrics. -- Spinal column, the backbone, or connected series or vertebræ…

To excite; to irritate; especially, to excite the activity of (a nerve or an irritable muscle), as by electricity.

The irritating action of various agents (stimuli) on muscles, nerves, or a sensory end organ, by which activity is evoked; especially, the nervous impulse produced by various agents on nerves, or a sensory end organ, by which the part connected with the nerve is thrown into a state of activity; irritation.…