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1. the part of the leg between the hip and the knee in man
2. the corresponding part in other vertebrates and insects
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



in man, the upper part of the lower extremity, between the hip joint and the knee joint. The upper boundary of the thigh is anteriorly the inguinal and posteriorly the gluteal fold. The lower boundary passes horizontally 4–5 cm above the edge of the patella. The femur serves as the skeleton of the thigh. Surface veins and nerves innervating the skin are located in the thigh’s subcutaneous layer of fat, as is the fascia (connective-tissue layer) covering the thigh’s musculature, which, with its extensions, forms a container (sheath) for each of the muscle groups and for the neurovascular bundle of the thigh.

Thigh muscles are divided into three groups. On the anterior surface are the quadriceps muscle, which effects straightening of the knee and partially participates in the flexing of the thigh at the hip joint, and the sartorius muscle, which bends the leg at the hip and knee joints and turns the thigh outward. On the inner side of the thigh are the pec-tineus, gracilis, and three adductor muscles; they all adduct the thigh and partially turn it inward. On the posterior side of the thigh lie the biceps, semitendinosus, and semimembranosus muscles, which bend the leg at the knee and straighten the thigh at the hip joint, and which turn the shin (the semitendinosus and semimembranosus inward, the biceps outward). The main artery of the thigh is the femoral artery. Its main branch is the deep femoral artery. Efflux of blood from the thigh is effected in the deep femoral vein. The principal groups of lymph nodes of the thigh are located in the inguinal region. Innervation of muscles and skin of the thigh is effected by the lumbar and sacral nerve plexuses.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


The upper part of the leg, from the pelvis to the knee.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
After 4 weeks, they underwent repeat photography and thigh measurements and completed self-evaluation surveys.
A favorite among ballet dancers and fitness trainers, this exercise is designed to tone your thighs and burn the fat.
Start with the feet parallel, step forward with one foot to a point where the toes come in front of the knee, squat to a "thigh parallel to the floor" position, and nearly touch the floor with the bent knee.
It concentrates on the muscles which shape and contour the thighs - the quadriceps, a four-part muscle that gives mobility to the knee joint; the hamstring, the muscle at the back; and the abductors and adductors which run along the outer and inner side of the thighs.
Season the boned thighs well, add the oil to the pan, then place the thighs in it skin-side down.
K&B has worked thigh creams into its skin creams and lotions section, occasionally displaying the products in promotional counter units.
Bray and Greenway announced that 11 women who rubbed their thighs with a cream containing 2% aminophylline for six weeks reduced their thigh circumference by about 1/2 inch.
Depending on the mold, this tissue resembled long bones of the leg, the jaw's mandible or the ball-like tip of the femur (thigh bone).
The point "was to disable his thigh muscles so that he couldn't close his legs and disturb the pleasure they meant to take of him." The autopsy, they continue, "found Spadafora's testicles monstrously swollen, the result (it seems) of prolonged [torture].
All that's left are the thighs, ironically my favourite par t of the chicken.e fridge in the kitchen was full of unloved , unwanted, unaccounted for chicken thighs.
For some unknown reason, while generally of average build, I have always been possessed of thighs which your average prop forward could only dream of.
Lawley, who had recently posted her photograph on a Facebook page which is dedicated to hype the space between a woman's thighs which was used both to promote the "trend" and was also critiqued for being "too hefty", added that no woman should feel like she needs to transform her body in order to be beautiful.