sciatic nerve


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sciatic nerve

n.
A sensory and motor nerve originating in the sacral plexus and running through the pelvis and upper leg.

sciat′ic nerve′


n.
either of a pair of nerves that originate in the sacral plexus of the lower back and extend down the buttocks to the back of the knees, where they divide into other nerves.
[1735–45]

sci·at·ic nerve

(sī-ăt′ĭk)
A thick nerve that arises in the lower part of the spine and passes through the pelvis on its way to the back of the leg. It carries sensory information from the leg to the spine and controls the action of many muscles. The sciatic nerve is the largest nerve in the body.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.sciatic nerve - arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nervessciatic nerve - arises from the sacral plexus and passes about halfway down the thigh where it divides into the common peroneal and tibial nerves
nerve, nervus - any bundle of nerve fibers running to various organs and tissues of the body
leg - a human limb; commonly used to refer to a whole limb but technically only the part of the limb between the knee and ankle
Translations

sci·at·ic nerve

n. nervio ciático, nervio que se extiende desde la base de la columna vertebral a lo largo del muslo y se ramifica en la pierna y el pie.
References in classic literature ?
The bullet went clean through my thigh, drilling the bone, but happily missing the sciatic nerve; thus the mere pain was less than it might have been, but of course I went over in a light-brown heap.
The 5 at-home sciatica therapies below are good options for people who recently started experiencing sciatic nerve pain or whose pain is not severe, but I urge you get your doctor's approval before trying any of these at-home treatments.
Briefly, animals were anesthetized by intraperitoneal injection of sodium pentobarbital (40 mg/kg body weight) before the sciatic nerve was exposed by making a 2 cm longitudinal skin incision then interrupted in the position 0.5 cm below ischial tuberosity in the right lateral thigh.
IF you're experiencing sciatic nerve pain, you're not alone.
In order to check for sciatic nerve (SN) function, we evaluated chronaxy, rheobase, conduction velocity, and nerve growth factor (NGF) expression levels.
The same is true for matters like the slaughter of a mother and daughter animal on the same daythe subject of Chapter 5and the removal of the sciatic nerve from the thigh of the animalthe subject of Chapter 7.
This technique subverts the need for the usual multiple injection techniques employed for blocking the major nerves of the lower limb, namely femoral nerve, obturator nerve, sciatic nerve and several other cutaneous nerves.
Muscle weakness or wasting is a typical muscle dysfunction condition that affects the elderly or individuals suffering from sciatic nerve injury, something usually seen in bedridden patients or workers who spend long hours sitting.
"Removal of these dysfunctional components is very important; when they accumulate, they become toxic and contribute to muscle cell impairment and death." Muscle weakness or wasting is a typical muscle dysfunction condition that affects the elderly or individuals suffering from sciatic nerve injury, something usually seen in bedridden patients or workers who spend long hours sitting.
The sciatic nerve is the longest and widest single nerve in the human body extending from the top of the leg to the foot on its posterior aspect.
The largest portion of the plexus is continued down the posterior aspect of the thigh as the sciatic nerve (L4, 5; S1, 2,3).