Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «S»:
Syndrome, congenital central hypoventilation
Syndrome, congenital central hypoventilation: See: Congenital central hypoventilation syndrome....
Syndrome, congenital rubella
Syndrome, congenital rubella: The constellation of abnormalities caused by infection with the
rubella (German measles)
virus before birth.
The syndrome is characterized by multiple congenital malformations (birth defects) and mental retardation.
The individual features of the syndrome include g...
Syndrome, Conn: Overproduction of the hormone aldosterone (pronounced al-do-ster-one) by a tumor that contains tissue resembling that normally present in the outer portion (cortex) of the adrenal gland. The excess aldosterone results in a potassium level
(hypokalemia), underacidity of the body (alka...
Syndrome, contiguous gene
Syndrome, contiguous gene: A
disorder clearly involving multiple gene loci that are adjacent to one another.
An example of a contiguous gene syndrome is Angelman syndrome. It is due to the loss of a series of genes from a region of chromosome 15 termed 15q13-15. (The syndrome is characterized by f...
Syndrome, Cornelia de Lange
Syndrome, Cornelia de Lange: See: de Lange syndrome....
Syndrome, cracked tooth
Syndrome, cracked tooth: A toothache caused by a broken
tooth (tooth fracture) without associated cavity or advanced gum disease. Biting on the
area of tooth fracture can cause severe sharp pains. These fractures are usually due to
chewing or biting hard objects such as hard candies, pencils, nuts, ...
Syndrome, Creutzfeldt-Jakob: Better known as
Creutzfeldt-Jakob disease (CJD). A dementing disease of the brain. It is believed due to
an unconventional (not a bacteria or virus), transmissible agent called a prion. Symptoms
of CJD include forgetfulness, nervousness, jerky trembling hand movements, ...
Syndrome, Cushing: The constellation of symptoms and signs caused by an excess of cortisol hormone.
Cushing syndrome is an extremely complex hormonal condition that involves many areas of the body. Common symptoms are thinning of the skin, weakness, weight gain, bruising, hypertension, diabetes, t...
Syndrome, cyclic vomiting
Syndrome, cyclic vomiting: A syndrome characterized by episodes, bouts, or cycles of severe nausea and vomiting that last for hours or even days and alternate with longer asymptomatic periods (with no symptoms). The cause of the syndrome is unknown. Each episode is similar to previous ones and tends...
Syndrome, Danlos: Better known today as Ehlers-Danlos
syndrome (EDS), is an inherited disorder with easy
bruising, joint hypermobility (loose joints), skin laxity,
and weakness of tissues. There are a number of different
Ehlers-Danlos syndromes which share these features but can
be categorized ...
Syndrome, de Lange
Syndrome, de Lange: See: de Lange syndrome....
Syndrome, deafness-ichthyosis-keratitis: See Keratitis-ichthyosis-deafness syndrome....
Syndrome, dengue shock
Syndrome, dengue shock: A syndrome due to the dengue
virus that tends to affect children under 10, causing
abdominal pain, hemorrhage (bleeding) and circulatory
collapse (shock). Known also as dengue hemorrhagic fever
(DHF), it starts abruptly with high continuous fever and
headache plus respi...
Syndrome, DiGeorge: See: DiGeorge syndrome....
Syndrome, Down: A common chromosome disorder due to
an extra chromosome number 21 (trisomy 21). Down syndrome causes
mental retardation, a characteristic face, and multiple
malformations. Down syndrome is a relatively common birth defect. The
chromosome abnormality affects both the physical and...