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cocaine
A drug that is made from coca leaves. It can be used by a doctor as a topical anesthetic. It’s…
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coccyx
The tailbone.
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cochlea
The portion of the inner ear that senses sound.
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coitus
Sexual intercourse.
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cold
An upper respiratory infection.
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cold sore
Herpes simplex infection of the lip.
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colic
1. A sudden, spasmodic abdominal pain. 2. In infants, a pattern of excessive crying, apparent abdominal pain and irritability.
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collagen
A protein formed in the connective tissue of the body.
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colon
The large intestine.
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Colorado tick fever
A viral illness spread by ticks. Characterized by headache, backache and fever that begins to break and then returns midway…
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colostomy
Surgery that makes an opening to the intestine through the surface of the abdomen. The opening empties the bowels.
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colostrum
An antibody-rich fluid released by the breasts for a short time after the birth of a baby, before the true…
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comedo
A dark-topped plug of fatty material in the opening of a hair follicle. The color is the result of exposure…
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communicable disease
A disease spread through direct contact with an infected person or substance.
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compress
A dressing used to apply pressure or medicine to an area. Useful in applying heat or cold.
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compulsion
An overwhelming urge to perform an act. Often used to describe ritual or repetitive behaviors.
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conception
Fertilization. The union of sperm and egg.
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concussion
A loss of consciousness because of a head injury.
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condom
A sheath worn over the penis or inside the vagina (female condom) during intercourse to protect against pregnancy and…
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Cone
The light-sensing structure on the retina of the eye capable of detecting color.
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congenital
Present at birth.