Inflammation of the mucous membranes of the mouth.
stomatitis
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.
stye
A small, pus-filled abscess at the base of an eyelid, caused by infection.
subacute
A term used for a disease that shows symptoms between acute and chronic.
subarachnoid haemorrhage
Bleeding into the subarachnoid space surrounding the brain, the area between two of the three layers (meninges) surrounding the brain and spinal cord (the arachnoid mater and the pia mater).
subcapsular orchidectomy
The surgical removal of the inner part of the testicle.
subclavian aneurysm
A weakness or bulging in the wall of the subclavian artery, which is located below the collarbone.
subclavian steal syndrome
A condition in which blood flow to the brain is periodically partially interrupted due to flow being diverted to the arm when arm muscles are exercised.
subluxation
Incomplete dislocation of a joint, in which the surfaces of the bones remain in partial contact.
subtype
A group within a group.
subungual melanoma
A specific type of melanoma that occurs under the nail bed. It causes a dark coloured stripe to form along the length of the nail.
sulphonamides
A group of anti-bacterial drugs.
sulphonylureas
Drugs used to treat non-insulin dependent (Type 2) diabetes.