Shunt, ventriculopleural
A shunt that is used to drain fluid from the cerebral ventricle into the chest cavity.
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- Shy-Drager syndrome
A progressive disorder of the central and sympathetic nervous systems, also called multiple system atrophy with postural hypotension (an excessive drop in blood pressure when the patient stands up, causing dizziness or momentary blackouts). Symptoms of autonomic nervous system failure, such as constipation, impotence in men, and urinary incontinence, usually predominate early in the course […]
- SI joint pain
See sacroiliac joint dysfunction. Many back pain conditions are associated with sacroiliac joint pain that is difficult to differentiate.
- Sialidosis
A form of mucolipidosis (mucolipidosis type 1 or ) characterized by deficiency of acid alpha-N-acetyl- neuraminidase (sialidase), an enzyme normally found in lysosomes (compartments within a cell that digest and process materials). ML1 is one of the lysosome storage diseases that result in the accumulation and deposition of mucopolysaccharides in various organs, leading to damage […]
- Siamese twin
Identical (monozygotic) twins that did not separate fully from one another but are still partially united. Due to the incomplete division of one fertilized ovum. Such twins are known medically as conjoined twins. Conjoined twins are popularly known as Siamese twins after Chang and Eng (1811-1874), the celebrated conjoined Chinese twins born in Siam (Thailand). […]
- Sibship
The relationship between the children born to a set of parents.