Category: R
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Real image
The image formed by convergence of rays of light from an object.
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Radical hysterectomy
The surgical removal of the uterus, tubes, ovaries, adjacent lymph nodes, and part of the vagina.
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Renovascular hypertension
Hypertension that is caused by decreased blood flow through one or both renal arteries and that normalizes after angioplasty or surgery to open the affected artery. The condition is an uncommon but surgically treatable form of high blood pressure.
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Rebound hypertension
An increase in blood pressure that follows the withdrawal of an antihypertensive drug.
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Recurrent hypersomnia
Excessive sleepiness that occurs periodically (e.g., every few weeks or months).
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Relative hyperopia
Hyperopia in which vision is clear only when excessive convergence is made.
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Reactive hyperemia
The increased flow of blood into an ischemic tissue area after restoration of blood flow.
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Ruptured hymen
A hymen that has been tom by coitus, injury, or surgery.
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Reservoir host
A host other than the usual or normal one, in which a parasite is capable of living. The reservoir host is a source of infestation.
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Reading for enhanced hope
A pattern of expectations and desires that is sufficient for mobilizing energy on one’s own behalf and can be strengthened.