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Medical
Glossary


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

K.
Kaposi's sarcoma

a skin cancer that is characterised by purple-red tumours that start at the feet and spread upward on the body; commonly occurs in people who have AIDS

Kawasaki disease

a childhood disease causing fever, rash, skin peeling, swollen lymph nodes, and possibly complications of the heart and brain

Keloid

a raised, firm, thick scar that forms as a result of a defect in the natural healing process

Keratin

a tough protein found in skin, nails, and hair

Keratitis

inflammation of the cornea

Keratolytic

drugs that remove the keratin-containing outer layer of skin; used to treat skin disorders such as warts and dandruff

Keratoplasty

surgical replacement or reshaping of the cornea

Keratosis

a growth on the skin that is the result of overproduction of the protein keratin

Ketoacidosis

the dangerous accumulation of chemicals called ketones in the blood, sometimes occurring as a complication of diabetes mellitus; also called ketosis

Kidney

one of two organs that are part of the urinary tract; responsible for filtering the blood and removing waste products and excess water as urine

Kidney stone

a hard mass composed of substances from the urine that form in the kidneys

Killer T cells

white blood cells that are part of the immune system and destroy micro-organisms and cancer cells

Kilocalorie

a unit of energy; equal to a nutritional calorie

Kimmelstiel-Wilson syndrome

a kidney disorder that can occur as a complication of diabetes mellitus; can cause swelling, high blood pressure, and kidney failure

Klinefelter's syndrome

a genetic disorder in which a man has at least 1 extra X chromosome in his cells, causing infertility and female characteristics

Knee-jerk reflex

a test for a reflexive extension of the leg to check the functioning of the nervous system; tapping the knee just below the kneecap should cause the lower part of the leg to jerk upward

Kyphosis

excessive curvature of the spine, which usually affects the top part of the spine and causes a hump

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