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conjunctiva
The membrane lining the eyelids and covering the eyeball.
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congenital
Present at birth.
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Cone
The light-sensing structure on the retina of the eye capable of detecting color.
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duct
A channel or passage through which fluids move.
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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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concussion
A loss of consciousness because of a head injury.
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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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ulcerative colitis
A chronic inflammatory disease of the large intestine characterized by bloody diarrhea.
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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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cold sore
Herpes simplex infection of the lip.
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cold
An upper respiratory infection.
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cochlea
The portion of the inner ear that senses sound.
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cobalamin
Vitamin B12.
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clubfoot
A deformity in which the foot is turned inward from its normal position.
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clot
A jelly-like mass of blood.
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Clostridium
A genus of bacteria that includes the agents capable of causing food poisoning and tetanus.
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clitoris
A small, sensitive erectile organ located in the female at the top of the vulva.
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cleft lip or palate
A congenital split of the upper lip or roof of the mouth.
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clawhand
A condition of the hand causing distorted fingers resulting from nerve injury.
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cirrhosis
Inflammatory disease of the liver characterized by scarring and shrinkage.
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circumcision
Surgical removal of the foreskin of the penis.