Nephrosclerosis
A progressive disease of the kidneys that results from sclerosis (hardening) of the small blood vessels in the kidneys. Nephrosclerosis is most commonly associated with hypertension or diabetes and can lead to kidney failure.
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- Nephrosis
Any degenerative disease of the kidney tubules, the tiny canals that make up much of the substance of the kidney. Nephrosis can be caused by kidney disease, or it may be a complication of another disorder, particularly diabetes. Diagnosis is made via urine testing for the presence of protein, blood testing for lower-than-normal levels of […]
- Nephrotomogram
A series of X-rays of the kidneys that are taken from different angles to clearly show the kidneys, without the shadows of the organs around them.
- Nerve
A bundle of fibers that uses electrical and chemical signals to transmit sensory and motor information from one body part to another. The fibrous portions of a nerve are covered by a sheath called myelin and/or a membrane called neurilemma. (Note that entries for specific nerves can be found under the names of the particular […]
- Neprilysin
Metallomembrane endopeptidase.
- Nerve block
A procedure in which an anesthetic agent is injected directly near a nerve to block pain. A nerve block is a form of regional anesthesia.