Category: D
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Delta wave
A slow brain wave which is produced in the front of the brain by adults in deep sleep, registering a frequency of 3.5 hertz. Premature upstroke of the initial polarization of the heart; a complex of an electrocardiogram finding associated with an atrioventricular bypass tract. Abnormal electrical waves observed in the electroencephalogram. The frequency of…
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Delta virus
The RNA virus which causes delta hepatitis.
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Delta hepatitis
A severe form of hepatitis caused by an RNA virus in conjunction with the hepatitis B virus.
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Delta
The fourth letter of the Greek alphabet.
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Delivery bed
A special bed on which a mother lies to give birth.
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Delivery
In pregnancy, the bringing forth of a baby from the mother’s uterus and also the expulsion of the placenta (afterbirth), which are the second and third stages of labor. Delivery is a general term for the ways in which a child appears or is brought out into the world normal vaginal birth; assisted vaginal birth,…
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Delirious
Affected by delirium. A person can become delirious because of shock, fear, drugs or fever.
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Dehydrate
To lose water, or cause someone or something to lose water.
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Dehisced
Referring to a wound which has split open after being closed.
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Deformed
Not shaped or formed in the expected way.