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statin

One of a class of drugs that inhibit cholesterol formation in the liver.

statins

A class of drugs that inhibit cholesterol formation in the liver.

STD

sexually transmitted disease

stem cells

Cells with the ability to specialise into various forms.

stenosis

Narrowing of a tubular structure or valve.

stent

A tube placed inside a tubular structure in the body, to keep it patent, that is, open.

sternotomy

Surgical opening of the breastbone.

steroids

Compounds with a common basic structure, which occur naturally in the body. The term may also refer to man-made drugs administered because they act like hormones.

Stevens-Johnson syndrome

A dangerous allergic reaction characterised by severe blisters and bleeding in the muscous membranes of the mouth, eyes, nose and genitals.

Stokes-Adams attacks

Recurrent episodes of temporary loss of consciousness caused by insufficient bllood flow from the heart to the brain

stomach

the organ or the body where food is stored and broken down

stomatitis

Inflammation of the mucous membranes of the mouth.

stool

Faeces.

strangulated

Referring to a constriction that impairs blood supply to a body part and can lead to ischaemia and tissue damage (necrosis)

streptococcal infection

Infections caused by bacteria of the Streptococcus group.

streptococci

An infection caused by bacterium of the Streptoccus group

stress

Relating to injury or concern.

stress incontinence

Incontinence of urine when the bladder is put under pressure, such as when coughing, sneezing, laughing or using the abdominal muscles in lifting or straining.

stress test

An ECG performed while the patient exercises, usually on a treadmill or a stationary bicycle, to look at how the heart performs during physical effort

stricture

The narrowing of a tube within the body, such as the bowel or gullet.

strictureplasty

A surgical procedure to widen a stricture, which is the narrowing of a tube within the body such as the bowel or gullet.

stridor

A whistling or rasping noise on breathing, most often during inspiration, due to narrowing or partial blockage of the airway

stroke

Any sudden neurological problem caused by a bleed or a clot in a blood vessel.

strontium 89

A form of the element strontium, used for pain relief in cancer that has spread to the bones.