Copy of `Dorland's Medical Dictionary`

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Dorland's Medical Dictionary
Category: Health and Medicine > Medical Dictionary
Date & country: He/al/th a, US
Words: 23489


agent
(a´jәnt) a person or substance by which something is accomplished.

ageusia
(ә-goo´zhә) absence or impairment of the sense of taste.

agglutinable
(ә-gloo´tĭ-nә-bәl) capable of agglutination.

agglutinant
(ә-gloo´tĭ-nәnt) acting like glue. a substance that holds parts together during healing.

agglutinogen
(ag″loo-tin´o-jen) a substance (antigen) that stimulates the animal body to form agglutinin (antibody).

aggravate
(ag´rә-vāt″) to cause a patient's condition to deteriorate.

aggregation
(ag″rә-ga´shәn) massing or clumping of materials or people together. a clumped mass of material. familial aggregation the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families. ...

Agkistrodon
(ag-kis´trә-don) a genus of venomous pit vipers.A. contor´trix is the copperhead and A. pisci´vorus is the water moccasin. See also snakebite.

aglossia
(a-glos´e-ә) congenital absence of the tongue.

aglossia-adactylia syndrome
hypoglossia-hypodactyly syndrome.

aglossostomia
(a″glos-o-sto´me-ә) congenital absence of the tongue and the mouth opening.

aglycemia
(a″gli-se´me-ә) absence of sugar from the blood; see also hypoglycemia.

aglycon
(a-gli´kon) the noncarbohydrate group of a glycoside molecule.

aglycone
(a-gli´kōn) aglycon.

aglycosuric
(a-gli″ko-sur´ik) free from glycosuria.

agnathia
(ag-na´the-ә) congenital absence of the lower jaw.

agnogenic
(ag″no-jen´ik) of unknown origin.

agonad
(a-go´nad) an individual having no sex glands (gonads).

agonadal
(a″go-nad´әl) having no sex glands; due to absence of sex glands.

agonal
(ag´ә-nәl) pertaining to death or extreme suffering.

agonistic muscle
one opposed in action by another muscle (the antagonistic muscle). Called also agonist.

agony
(ag´ә-ne) severe pain or extreme suffering.

agranular leukocyte
nongranular leukocyte.

agranulocyte
(a-gran´u-lo-sīt″) nongranular leukocyte.

agranuloplastic
(a-gran″u-lo-plas´tik) forming only nongranular cells.

agraphia
(ә-graf´e-ә) loss of ability to express thoughts in writing.

agyria
(a-ji´re-ә) a malformation in which the gyri of the cerebral cortex are not normally developed; called also lissencephaly.

AHA
American Heart Association; American Hospital Association.

AHF
antihemophilic factor (factor VIII).

AHG
antihuman globulin (test). antihemophilic globulin (factor VIII).

AHG test
direct Coombs test.

AHIMA
American Health Information Management Association.

Ahumada-del Castillo syndrome
(ah-oo-mah´thah dāl kahs-te´yo) galactorrhea-amenorrhea syndrome with low gonadotropin secretion.

AI
aortic incompetence; aortic insufficiency; apical impulse; artificial insemination; artificial intelligence.

AICC
anti-inhibitor coagulant complex.

AICD
activation-induced cell death; automatic implantable cardioverter-defibrillator.

AID
artificial insemination by donor.

aide
(ād) a worker who is an assistant to another.

AIDS
acquired immunodeficiency syndrome.

AIDS dementia complex
HIV encephalopathy.

AIDS encephalopathy
HIV encephalopathy.

AIDS nephropathy
former name for HIV-associated nephropathy.

AIDS-related complex
(ARC) former term for a complex of signs and symptoms occurring in less severe human immunodeficiency virus (HIV) infection.

AIH
artificial insemination by husband.

ailurophobia
(i-loor″o-fo´be-ә) irrational fear of cats.

air conditioner lung
humidifier lung.

air conduction
conduction of sound waves to the organ of hearing in the inner ear through the air.

air dose
air exposure.

air-cushion sign
Klemm sign.

airborne infection
infection by inhalation of organisms or spores suspended in air on water droplets or dust particles.

airplane splint
one that holds the splinted limb suspended in the air.

airway resistance
the opposition of the tissues of the air passages to air flow: the mouth-to-alveoli pressure difference divided by the rate of air flow. Symbol RA or RAW.

AIUM
American Institute of Ultrasound in Medicine.

AJCC
American Joint Committee on Cancer.

akamushi disease
scrub typhus.

akinesia
(a″kĭ-ne´zhә) absence or loss of the power of voluntary movement. the temporary paralysis of a muscle by the injection of procaine. akinesia algera a condition characterized by generalized pain associated with movement of any kind.

akinesthesia
(ә-kin″es-the´zhә) absence of the perception of movement.

akinetic
(a-kĭ-net´ik) affected with akinesia.

akinetic-rigid syndrome
muscular rigidity with varying degrees of slowness of movement; seen in parkinsonism and disorders of the basal ganglia.

Al
aluminum.

AL amyloidosis
primary amyloidosis.

AL protein
AL amyloid.

Al-Anon
(al´ә-non) a resource and support group for adult relatives and close friends of alcoholics. Al-Anon is available to interested individuals even if the alcoholic does not participate in Alcoholics Anonymous.

alanine aminotransferase
(al´ә-nēn ә-me″no-trans´fәr-ās) alanine transaminase.

alar
(a´lәr) pertaining to or like a wing.

alar bone
sphenoid bone.

alar cartilages
the cartilages of the wings of the nose.

alar ligaments
two bands passing from the apex of the dens to the medial side of each occipital condyle. a pair of folds of the synovial membrane of the knee joint.

Alateen
(al´ә-tēn) a self-help program sponsored by Al-Anon for children (ages 12 to 20) of alcoholics. Alateen provides a forum for the discussion of the problems of living in a family affected by alcohol abuse and the opportunity to develop healthy coping skills.

alba
(al´bә) Latin word meaning white; used to describe anatomic structures and diseases.

Albee operation
(al´be) an operation for ankylosis of the hip.

Albers-Schönberg disease
(ahl´berz-shurn´bәrg) osteopetrosis.

Albert operation
excision of the knee to secure ankylosis for the cure of flail joint.

Albert position
a semirecumbent position of the patient for radiography as a means of determining the diameters of the superior strait of the pelvis.

Albert suture
a form of Czerny suture in which the first row of stitches is passed through the entire thickness of the intestine.

albicans
(al´bĭ-kanz) Latin word meaning white.

albiduria
(al″bĭ-du´re-ә) the discharge of white or pale urine.

albinism-deafness syndrome
an X-linked syndrome consisting of deafness of varying degrees with piebaldism or albinism; some authorities consider it an allelic variant of Waardenburg syndrome type 2.

albino
(al-bi´no) a person affected with albinism.

albinuria
(al″bĭ-nu´re-ә) albiduria.

albuminoid
(al-bu´mĭ-noid″) resembling albumin. an albumin-like substance; the term is sometimes applied to insoluble substances known as scleroproteins.

albuminoptysis
(al-bu″mĭ-nop´tĭ-sis) albumin in the sputum.

albuminous cell
serous cell.

albuterol
(al-bu´tәr-ol) a relatively selective beta2-adrenergic receptor agonist used as the base or sulfate salt as a bronchodilator.

alclometasone
(al-klo-met´ә-sōn″) a synthetic corticosteroid used topically in the dipropionate form for the relief of inflammation and pruritus.

alcohol abuse
see alcoholism.

alcoholic
(al″kә-hol´ik) containing or pertaining to alcohol. a person suffering from alcoholism.

alcoholic cardiomyopathy
congestive cardiomyopathy resulting in cardiac enlargement and low cardiac output occurring in chronic alcoholics; the heart disease in beriberi (thiamine deficiency) is also associated with alcoholism.

alcoholic cirrhosis
Laënnec cirrhosis.

alcoholic coma
coma accompanying severe alcoholic intoxication.

alcoholic neuropathy
neuropathy due to thiamine deficiency in chronic alcoholism.

alcoholic pneumonia
pneumonia associated with alcoholism.

alcuronium
(al-ku-ro´ne-әm) a nondepolarizing skeletal muscle relaxant used in general anesthesia for surgical procedures; used in the form of the chloride salt.

aldesleukin
(al″dәs-loo´kin) a recombinant interleukin-2 product used as an antineoplastic agent and biological response modifier in treatment of metastatic renal cell carcinoma and malignant melanoma.

aldopentose
(al″do-pen´tōs) any one of a class of sugars that contain five carbon atoms and an aldehyde group (sbondCHO).

aldosterone-producing carcinoma
aldosterone-secreting carcinoma a rare malignant form of aldosteronoma; it is larger than an aldosterone-producing adenoma.

aldosterone-producing tumor
aldosterone-secreting tumor aldosteronoma.

Aldrich syndrome
(awl´drich) Wiskott-Aldrich syndrome.

alecithal
(a-les´ĭ-thәl) having no distinct yolk.

aleukemia
(a″loo-ke´me-ә) leukopenia. aleukemic leukemia.