Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «A»:
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Adenomatous polyposis coli, autosomal recessive
Adenomatous polyposis coli, autosomal recessive: See: MYH....
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Adenomyoma
Adenomyoma: A nodule that forms around tissue of
the inner uterus (endometrial tissue) as a result of
adenomyosis. See adenomyosis....
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Adenomyomata
Adenomyomata: Plural form of adenomyoma....
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Adenomyosis
Adenomyosis: Pronounced a-den-o-
mi-o-sis, this is a common benign condition of the uterus
in which the endometrium (the mucous membrane lining the
inside of the uterus) grows into the myometrium (the
uterine musculature located just outside the endometrium).
The endometrium and myometrium unde...
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Adenomyosis uteri
Adenomyosis uteri: Also known
more succinctly as adenomyosis (pronounced ad-den-o-mi-o-
sis), this is a common benign condition of the uterus in
which the endometrium (the mucous membrane lining the
inside of the uterus) grows into the myometrium (the
uterine musculature located just outside th...
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Adenopathy
Adenopathy: Large or "swollen" lymph nodes. Synonymous with lymphadenopathy....
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Adenosine
Adenosine: A nucleoside containing adenine as its base. Adenosine acts to dilate the coronary arteries and is employed in the adenosine thallium scan of the heart....
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Adenosine deaminase (ADA)
Adenosine deaminase (ADA): An
enzyme that plays a key role in salvaging purine molecules....
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Adenosine deaminase (ADA) deficiency
Adenosine deaminase (ADA) deficiency: A genetic (inherited) condition that results in a immune deficiency disorder called severe combined immunodeficiency disease. Adenosine deaminase is an enzyme that plays a key role in salvaging purine molecules.
ADA deficiency is of special interest in the hi...
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Adenosine thallium scan
Adenosine thallium scan: A method of examining the heart to obtain information about the blood supply to the heart muscle. Special cameras take a series of pictures of the heart. Radioactive thallium is injected into the bloodstream and serves as a tracer. The tracer attaches to certain cells and ma...
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Adenosine triphosphate
Adenosine triphosphate: An important carrier of energy in cells in the body and a compound that is important in the synthesis (the making) of RNA. Adenosine triphosphate (ATP) is a nucleotide (a building block of a nucleic acid such as RNA). The body produces ATP from food and then ATP produces ene...
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Adenovirus
Adenovirus: A group of viruses responsible for a spectrum of respiratory disease as well as infection of the stomach and intestine (gastroenteritis), eyes (conjunctivitis), and bladder (cystitis) and rash. Adenovirus respiratory diseases include a form of the common cold, pneumonia, croup, and bronc...
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ADH (antidiuretic hormone)
ADH (antidiuretic hormone): A peptide molecule
that is released by the
pituitary gland at the base of the brain after being made
nearby (in the
hypothalamus). ADH has an antidiuretic action that prevents
the production
of dilute urine (and so is antidiuretic).
A syndrome of
inappropriate
secre...
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ADH secretion, inappropriate
ADH secretion, inappropriate: The syndrome of
inappropriate secretion of
antidiuretic hormone (ADH) results in the inability
to put out dilute
urine, perturbs fluid (and electrolyte) balance, and causes
nausea,
vomiting, muscle cramps, confusion and convulsions. This syndrome may
occur, for
exam...
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ADHD
ADHD: Attention deficit hyperactivity disorder....
