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AMENORRHEA - Absence of the menses, due to causes other than pregnancy
or advancing age. Female athletes who lose too much body fat also
develop amenorrhea.
AMNESIA - Loss of memory caused by brain damage or by severe emotional
trauma.
ANALGESIA - Loss of sense to pain, and/or loss of response to a painful
stimulus.
ANALYSIS: The act of separating the clinical evaluation of a condition
or disease into components as part of the process of forming a clinical
impression or diagnosis.
ANECDOTAL EVIDENCE: A published account of an observation or experience.
This includes categories and classifications of procedures, technologies,
or equipment that have not been investigated using the experimental
method.
ANESTHESIA - Loss of sensation of a body part or of the body, or the
loss of consciousness when a drug has been administered.
ANESTHESIOLOGIST - Physician who administers painkilling or anesthesia
medications during surgery or other medical procedures.
ANEURYSM - Dilation of an artery, formed by a circumscribed enlargement
of its wall.
ANGIOGRAM - A study which shows the blood vessels leading to and in
the brain by injecting a dye, or contrast substance, through a catheter
placed in an artery in the leg.
ANGIOGRAPHY - Radiography of blood vessels using the injection of
material opaque to x-rays to give better definition to the vessels.
ANGIOMA - A tumor whose cells tend to form blood vessels (hemangioma)
or lymph vessels (lymphangioma).
ANNULUS FIBROSIS - The outer, fibrous, ring-like portion of an intervertebral
disc.
ANOREXIA - A condition marked by loss of appetite leading to weight
loss.
ANOSMIC - No sense of smell.
ANOXIA - Total lack of oxygen supply.
ANTERIOR - Front of the body or situated nearer the front of the body.
ANTEROLATERAL - Situated or occurring in front of and to the outer
side of the body.
ANTEROMEDIAL - Situated or occurring in front of and towards the midline
of the body.
ANTHROPOMETRY: The study of proportional relationships between the
shape, weight and size of body segments.
ANTICOAGULANT - A medication that prevents coagulation of the blood.
ANTI-DIURETIC - An agent which reduces the output of urine. Anti-diuretic
hormone (ADH) is formed in the hypothalamus and stored in the posterior
pituitary gland.
APHASIA - Difficulty with or loss of use of language in any of several
ways, including reading, writing, or speaking. Failure of understanding
written, printed, or spoken word. Related to specific lesions in the
brain.
APNEA - Cessation of respiration; inability to get one's breath.
ARACHNOID - Middle layer of membranes covering the brain and spinal
cord.
ARACHNOIDITIS - Inflammation of the arachnoid membrane. Most commonly
seen within the spinal cord, around the spinal cord, and cauda equina.
ARNOLD-CHIARI MALFORMATION - A condition in which there is displacement
of the medulla and cerebellum into the opening in the basilar part
of the occipital bone. It is one of the causes of hydrocephalus and
is usually accompanied by spina bifida and menigomyelocele.
ARTERIOSCLEROSIS - Thickening and calcification of the arterial wall
with loss of elasticity and contractility. |