Hose, covering for the legs and feet. In the Middle Ages the leg was bound from the ankle to the knee with hides or cloth and then cross-gartered with thongs or strips of cloth; later a loose ...

Trapezoid, closed plane figure bounded by four line segments, or sides, two of which are parallel and two of which are nonparallel. The parallel sides of a trapezoid are called bases and the n...

Deduction, in logic, form of inference such that the conclusion must be true if the premises are true. For example, if we know that all men have two legs and that John is a man, it is then log...

Paraplegia, paralysis of the lower part of the body, commonly affecting both legs and often internal organs below the waist. When both legs and arms are affected, the condition is called quadr...

Foot, in anatomy, terminal part of the land vertebrate leg. The term is also applied to any invertebrate appendage used either for locomotion or attachment, e.g., the legs of insects and crust...

Millipede, elongated arthropod having many body segments and pairs of legs. Millipedes, sometimes termed thousand-legged worms, have two pairs of legs on each body segment except the first few...

Sciatica, severe pain in the leg along the sciatic nerve and its branches. It may be caused by injury or pressure to the base of the nerve in the lower back, or by metabolic, toxic, or infecti...

Varicose vein, superficial vessel that is abnormally lengthened, twisted, or dilated, seen most often on the legs and thighs. Varicose veins develop spontaneously, and are usually attributed t...

Hampshire sheep, large sheep bred originally in Hampshire, England, by crossing Southdowns, Cotswolds, and other breeds. Hampshires are large in size and hornless, have black faces and legs, a...

Chigoe or jigger, small parasitic flea of tropical America and the S United States. Humans and their domestic animals are the main hosts. The fertilized female bores into the flesh (usually of...