pain and tenderness at some points of the sciatic nerve, usually caused by a prolapsed intervertebral disk; sciatic neuralgia.
any painful disorder extending from the hip down the back of the thigh and surrounding area.
a form of neuralgia characterized by intense pain and tenderness along the course of the body’s longest nerve (sciatic nerve), extending from the back of the thigh down to the calf of the leg
sciatica sci·at·i·ca (sī-āt’ĭ-kə)
Pain along the sciatic nerve that radiates from the lower back to the buttocks and back of the thigh and is usually caused by a herniated disk of the lumbar region of the spine.
Chronic pain in the hip and upper leg caused by irritation of a large nerve — the sciatic nerve — that runs through the pelvis and down the back of the thigh.
- Sciatic foramen
sciatic foramen n. Either of two foramina, designated greater and lesser, formed by the sacrospinous and sacrotuberous ligaments crossing the sciatic notches of the hipbone.
- Sciatic hernia
sciatic hernia n. Protrusion of intestine through the great sacrosciatic foramen. Also called ischiocele.
noun, Anatomy. 1. either of a pair of nerves, the largest in the body, 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: the sciatic nerve and its branches innervate large areas of the pelvis, leg, and […]
- Sciatic spine
sciatic spine n. A pointed process from the posterior border of the ischium on a level with the lower border of the acetabulum. Also called ischiadic spine.