Drug Medical Dictionary List

Drug Medical Dictionary

The Rxscoops drug medical dictionary contains definitions and explanations of many medical terms including prescription medication abbreviations. Medical terms are from MedTerms™ and are written by pharmacists and U.S. Board Certified Physicians; the same authors of the Webster's New World™ Medical Dictionary. To use the medical dictionary, type in your word in the dictionary search box below and click search. You can also browse the terms by selecting on a letter. Panerai Luminor 1950 Replica

MedTerms Medical Dictionary A-Z List - A
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MedTerms Medical Dictionary List
Anal itching

Description : Irritation of the skin at the exit of the rectum, accompanied by the desire to scratch. Th...

Antisocial personality disorder

Description : A pervasive pattern of disregard for and violation of the rights of others and inability o...

A (adenine)

Description : In genetics, A stands for adenine, one member of the A-T (adenine-thymine) base pair in DN...

A-

Description : Prefix indicating the absence or depletion of something: for example, aphagia (not eating)...

A-

Description : Prefix indicating the absence or depletion of something: for example, aphagia (not eating)...

A-T

Description : Ataxia-telangiectasia....

A.c

Description : Abbreviation on a prescription meaning before meals; from the Latin "ante cibum", before m...

AAA: Abdominal aortic aneurysm

Description : Abdominal aortic aneurysm (also known as AAA,[1] pronounced "triple-a") is ...

AAAS

Description : Spoken of as the "triple-AS", the American Association for the Advancement of Science is a...

AAD

Description :  American Association of Dermatology, one of many important professional societies in...

AAFP (American Academy of Family Physicians)

Description : The AAFP is a professional society for American family doctors. The AAFP states that: "Th...

AAMC (Ass Am Medical Colleges):

Description : Founded in 1876 and based in Washington, D.C., the Association of American Medical College...

AANAT

Description : The synbol for the enzyme arylalkylamine N-acetyltransferase and for the gene that encodes...

AAO

Description :  1. Alert and oriented. 2. American Association of Ophthalmology, a pr...

AAOS (American Academy of Orthopaedic Surgeons)

Description : The professional organization of American orthopedists. Literally, the practice of bone st...

AAP

Description : The American Academy of Pediatrics....

Aarskog syndrome

Description : See: Aarskog-Scott syndrome...

Aarskog-Scott syndrome

Description : A syndrome of wide spaced eyes (ocular hypertelorism), front-facing (anteverted) nostrils,...

Aase-Smith syndrome I

Description : A syndrome of congenital malformations (birth defects) characterized by hydrocephalus, cle...

Aase-Smith syndrome II

Description : A genetic disorder that may be detected during early infancy and is characterized by the p...

Ab ovo

Description : Latin expression for "from the beginning." Ab ovo literally means "from the egg."...

Ab-

Description : Prefix indicating from, away from, or off, as in abduction (movement of a limb away from t...

Abate

Description : To lessen or decrease. For example, after a boil is lanced, the pus can drain and the pain...

Abatement

Description : A diminution, decrease or easing. In medicine there may be abatement of pain or any other ...

Abdomen

Description : The belly, that part of the body that contains all of the structures between the chest and...

Abdomen, acute

Description : Medical shorthand for the acute onset of abdominal pain. A potential medical emergency, an...

Abdominal

Description : Relating to the abdomen, the belly, that part of the body that contains all of the structu...

Abdominal aneurysm

Description : An aneurysm situated within the abdomen (belly). An aneurysm is a localized widening (dila...

Abdominal aorta

Description : The abdominal aorta is the final section of the aorta, the largest artery in the body. It ...

Abdominal aortic aneurysm

Description :  A balloon-like swelling in the wall of the aorta within the abdomen. This swelling w...

Abdominal cavity

Description : The cavity within the abdomen, the space between the abdominal wall and the spine. The ab...

Abdominal guarding

Description : Tensing of the abdominal wall muscles to guard inflamed organs within the abdomen from the...

Abdominal hysterectomy

Description : Surgical removal of the uterus (a hysterectomy) done through an incision made in the abdom...

Abdominal muscle deficiency syndrome

Description : Partial or complete absence of the abdominal muscles so that the outlines of the intestine...

Abdominal muscles

Description : A large group of muscles in the front of the abdomen that assists in the regular breathing...

Abdominal pain

Description : Pain in the belly. Abdominal pain can be acute or chronic. It may reflect a major problem ...

Abducent nerve

Description : The sixth cranial nerve, which emerges from the skull to operate the lateral rectus muscle...

Abduction

Description : The movement of a limb away from the midline of the body. The opposite of abduction is add...

Abductor muscle

Description : Any muscle used to pull a body part away from the midline of the body. For example, the ab...

Aberration

Description : (1) A deviation or irregularity. For example, a chromosome aberration is a deviation from ...

ABG (arterial blood gas)

Description : The sampling of the blood levels of oxygen and carbon dioxide within the arteries, as oppo...

Abiological

Description : See: Abiotic...

Abiotic

Description : 1. Not associated with living organisms.2. Anything in the environment incapable...

Abiotrophy

Description :  Loss of function, or degeneration for reasons unknown....

Ablate

Description : To remove. A tumor may be ablated. To ablate the thyroid gland is to remove it. The word "...

Ablation

Description : Removal or excision. Ablation is usually carried out surgically. For example, surgical rem...

Ablation, endometrial

Description : Removal of the lining of the womb. Removing the uterine lining decreases menstrual flow or...

Abnormal

Description : Outside the expected norm, or uncharacteristic of a particular patient....

ABO blood group

Description : The major human blood group system. The ABO type of a person depends on the presence or ab...

Abortifacient

Description : A medication or substance that causes pregnancy to end prematurely....

Abortion

Description : In medicine, an abortion is the premature exit of the products of conception (the fetus, f...

Abortion, artificial

Description : An abortion that is brought about intentionally. Also called an induced or therapeutic abo...

Abortion, habitual

Description : The miscarriage of three or more consecutive pregnancies with no intervening pregnancies. ...

Abortion, induced

Description : An abortion that is brought about intentionally. Also called an artificial or therapeutic ...

Abortion, multiple

Description : Two or more miscarriages (spontaneous abortions) by a woman. Couples who have had multiple...

Abortion, recurrent:

Description : The occurrence of 3 or more miscarriages (which are medically termed "spontaneous abortion...

Abortion, spontaneous:

Description : Miscarriage...

Abortion, therapeutic

Description : An abortion that is brought about intentionally. Also called an artificial or induced abor...

Abortive

Description : Tending to cut short the course of a disease, as in abortive polio (polio cut short)....

Abortive polio

Description : Abortive polio is a minor illness. It accounts for 80-90% of clinically apparent cases of ...

ABR test

Description : Auditory brainstem response test. An automated test for hearing and brain (neurological) f...

Abraham-man

Description : Also abram-man. One of a class of beggars who once wandered over England after the dissolu...

Abrasion

Description : An abrasion or "excoriation" is a wearing away of the upper layer of skin as a result of a...

Abrin

Description :  A phytotoxin (plant poison) found in the seeds of a plant called the rosary pea or j...

Abruptio (abruptio placentae)

Description : Premature separation of the placenta from the wall of the uterus. Abruption is a potential...

Abruption

Description : A sudden breaking off or away. Abruption of the placenta (abruptio placentae) is the prema...

Abs

Description : Slang term for the abdominal muscles...

Abscess

Description : A local accumulation of pus anywhere in the body. The following are some examples of absce...

Abscess, breast

Description : See: Breast abscess. see also: Breast infection; Mastitis....

Abscess, perianal

Description : An abscess next to the anus that causes tenderness, swelling, and pain on defecation....

Abscess, peritonsillar:

Description : An abscess behind the tonsils that pushes one of the tonsils toward the uvula (the promine...

Abscess, skin

Description : See: Skin abscess....

Abscission

Description : To remove tissue by cutting it away, as in surgery...

Abse

Description : See: Abse, Dannie...

Abse, Dannie

Description : British pulmonary physician and poet. Abse was born in 1923 in Cardiff, Wales to a Jewish ...

Absence of the breast

Description : A rare condition wherein the normal growth of the breast or nipple never takes place and t...

Absence of the nipple

Description : Medically called athelia, this is a rare condition that may occur with a number of heredit...

Absence seizure

Description : A seizure that takes the form of a staring spell. The person suddenly seems to be "absent....

Absent eye

Description : Also called anophthalmia, a congenital malformation (birth defect) of the globe. Anophtha...

Absenteeism

Description : The frequent absence from work or other duty without good reason. See also: Presenteeism....

Absinthe

Description : An emerald-green liqueur flavored with extracts of the wormwood plant, licorice, and aroma...

Absinthism

Description : The disorder associated with the habitual abuse of absinthe. The symptoms included halluci...

Absolute CD4 count

Description : The number of 'helper' T-lymphocytes in a cubic millimeter of blood. The absolute CD4 coun...

Absolute neutrophil count

Description : The real number of white blood cells (WBCs) that are neutrophils. The absolute neutrophil ...

Absorb

Description : 1. To take something in, as through the skin or the intestine.2. To react with r...

Absorbed dose

Description : In radiology, the amount of energy that is deposited in any material by ionizing radiation...

Absorption

Description : Uptake. For example, intestinal absorption is the uptake of food (or other substances) fro...

Abstemious

Description : Marked by restraint, especially in the consumption of food or alcohol. From the Latin pre...

Abstinence

Description : The voluntary self-denial of food, drink, or sex. Today, abstinence most commonly refers t...

Abstinence, periodic

Description : Also known as fertility awareness, natural family planning, and the rhythm method, this ap...

Abuse, child

Description : A complex set of behaviors that include child neglect and the physical, emotional, and sex...

Abuse, elder

Description : The physical, sexual, or emotional abuse of an elderly person, usually one who is disabled...

Abuse, emotional child

Description : Emotional child abuse is the third most frequently reported form of child abuse (after chi...

Abuse, physical child

Description : Next to child neglect, physical abuse is the second most frequently reported form of child...

Abuse, pregnancy

Description : Abuse of an expectant mother. This abuse is most often perpetrated by the woman's spouse, ...

Abuse, psychological child

Description : Also known as emotional child abuse, this is the third most frequently reported form of ch...

Abuse, sexual child

Description : Child abuse comprises four basic types of mistreatment: child neglect, physical abuse of a...

Abuse, steroid

Description : Use of substances containing anabolic steroids to increase muscle mass. Such steroids can ...

Abuse, substance

Description : See: Substance abuse....

Abuse, verbal child

Description : Also known as emotional child abuse, this is the third most frequently reported form of ch...

Abused inhalant

Description : A breathable chemical vapor that is abused. All abused inhalants produce psychoactive (min...

AC

Description : Abbreviation for a.c. (ante cibum on a prescription); acromioclavicular (shoulder joint); ...

AC joint

Description : Acromioclavicular joint located between the acromion (a projection of the scapula that for...

Acanthamoeba

Description : A microscopic organism, an amoeba, found in soil, dust and fresh water (lakes, rivers, hot...

Acanthamoeba keratitis

Description : Infection of the cornea by acanthamoeba, a microscopic water-borne ameba. The disease tend...

Acanthosis nigricans

Description : A skin condition characterized by dark, thickened, velvety patches, especially in the fold...

Acapnia

Description : Lower than normal level of carbon dioxide in the blood. The opposite of acapnia is hyperca...

Acaricide

Description : An agent, usually a chemical, that kills mites. This class of pesticides is large and incl...

Acathisia

Description : See: Akathisia...

ACC

Description : Adenoid cystic carcinoma...

Accelerated phase of leukemia

Description : Chronic myelogenous leukemia that is progressing. In this phase, the number of immature, a...

Acceptable daily intake

Description : Estimate of the amount of a substance in food or drinking water, expressed on a body mass ...

Access

Description : 1. In general, a means of approaching something.  2. In health care, the o...

Accessibility of services

Description : The ability to get medical care and services when needed....

Accessory

Description : Additional, extra, supplementary, subsidiary to the main thing. An accessory digestive org...

Accessory digestive organ

Description : An organ that helps with digestion but is not part of the digestive tract. The accessory d...

Accessory dwelling unit

Description : (ADU) A separate housing arrangement within a single-family home. The ADU is defined by Me...

Accessory nerve

Description : The eleventh cranial nerve, which emerges from the skull and receives an additional (acces...

Accessory neuropathy

Description : A disease of the accessory nerve, paralysis of which prevents rotation of the head away fr...

Accessory placenta

Description : A condition in which there is an extra placenta that is separate from the main placenta. A...

Acclimatization to altitude

Description : The process of adapting to the decrease in oxygen concentration at a specific altitude. A ...

Accommodation

Description : In medicine, the ability of the eye to change its focus from distant to near objects (and ...

Accoucheur

Description :  A male obstetrician. An accoucheuse is a woman obstetrician, or sometimes a midwife....

Accoucheuse

Description : French for a woman who is an obstetrician (a physician skilled in the art and science of m...

ACE2 (angiotensin converting enzyme 2)

Description : An essential regulator of heart function. Also may be involved in the embryonic developmen...

ACEI

Description : ACE inhibitor...

Acellular

Description : Not made up of cells or divided into cells. Or lacking intact cells as, for example, an ac...

Acellular vaccine

Description : A vaccine that may contain cellular material but does not contain complete cells....

Acentric chromosome

Description : A fragment of a chromosome (one of the microscopically visible carriers of the genetic mat...

Aceruloplasminemia

Description : A genetic disorder in which there is absence of the protein ceruloplasmin from blood and a...

Acetabular

Description : Pertaining to the acetabulum, the cup-shaped socket of the hip joint which is a key featur...

Acetabular labrum

Description :  A ring of fibrocartilage (fibrous cartilage) that runs around the acetabulum (cup) o...

Acetabulum

Description : The cup-shaped socket of the hip joint. The acetabulum is a feature of the pelvis. The hea...

Acetaminophen

Description : A nonaspirin pain reliever or analgesic. Acetaminophen may be given alone to relieve pain ...

Acetate

Description :  A molecular ion derived from acetic acid. The formula of acetate is CH3COO-....

Acetic acid

Description : The acid most commonly associated with vinegar. Acetic acid is a two-carbon carboxylic aci...

Acetoacetate

Description :  A molecular ion, CH3COCH2COO-, derived from acetoacetic acid....

Acetone

Description : A volatile liquid used as an industrial solvent. Acetone is also one of the ketone bodies ...

Acetyl CoA

Description : See: Acetyl coenzyme A....

Acetyl coenzyme A

Description : An important metabolic intermediate, derived from various pathways, such as glycolysis, fa...

Acetyl phosphate

Description : A molecular ion which plays a role in the synthesis of the four-carbon fatty acid, butyric...

Acetylcholine

Description : A neurotransmitter released by nerves that is essential for communication between the nerv...

Acetylcholinesterase

Description :  An enzyme that breaks down the neurotransmitter acetylcholine at the synaptic cleft ...

Acetylcysteine

Description : An antioxidant drug used to reduce the thickness of mucus and ease its removal. It is also...

ACG2

Description : Achondrogenesis type II....

ACh (acetylcholine)

Description : Abbreviation for acetylcholine. See: Acetylcholine...

Achalasia

Description : A disease of the esophagus that mainly affects young adults. Abnormal function of nerves a...

AChE (acetylcholinesterase)

Description : Abbreviation for acetylcholinesterase. See: Acetylcholinesterase....

Achilles tendon

Description : One of the longest tendons in the body, a tough sinew that attaches the calf muscle to the...

Achilles tendonitis

Description : Inflammation in the tendon of the calf muscle, where it attaches to the heel bone. Achille...

Achillobursitis

Description : Pain due to inflammation of the bursa associated with the Achilles tendon. . The Achilles...

Achillodynia

Description : Pain due to inflammation of the Achilles tendon or the bursa associated with it. The Achi...

Achlorhydria

Description : A lack of hydrochloric acid in the digestive juices in the stomach....

Achondrogenesis

Description : A genetic disorder of bone. There are a number of different types of achondrogenesis...

Achondrogenesis type II

Description : A severe inherited disorder of bone growth characterized by a short body and limbs and a l...

Achondrogenesis, Langer-Saldino type

Description : See: Achondrogenesis type II....

Achondrogenesis-hypochondrogenesis, type II

Description : See: Achondrogenesis type II....

Achondroplasia

Description : The most common form of short stature with disproportionately short limbs -- dwarfism with...

Achoo syndrome

Description : A disorder characterized by nearly uncontrollable paroxysms of sneezing provoked in a refl...

Achromatopsia

Description : A hereditary disorder of sight due to a lack of cone vision - that type of vision provided...

Achromycin

Description : See: Tetracycline....

Acid deposition

Description : A complex chemical and atmospheric phenomenon that occurs when emissions of sulfur and nit...

Acid indigestion

Description : Excessive secretion of hydrochloric acid by the stomach cells. Medically known as hyperchl...

Acid phosphatase

Description : An enzyme that acts to liberate phosphate under acidic conditions and is made in the liver...

Acid rain

Description : Rain or precipitation that contains elevated levels of hydrogen ions. Elevated hydrogen le...

Acid reflux

Description : A common condition and an abnormal one in which acid in the stomach rises up into the esop...

Acid, amino

Description : One of the 20 building blocks of protein. The sequence of amino acids in a protein and, he...

Acid, bile

Description : See: Bile acid...

Acid, fatty

Description : One of many molecules that are long chains of lipid-carboxylic acid found in fats and oils...

Acid, folic

Description : One of the B vitamins that is a key factor in the synthesis (the making) of nucleic acid (...

Acid, nucleic

Description : One of the molecules in the chromosomes of living cells and viruses that plays a central r...

Acid, pantothenic

Description : Pantothenic acid is vitamin B5. It is one of 8 water soluble B vitamins that enables the b...

Acid, trans fatty

Description : An unhealthy substance, also known as trans fat, made through the chemical process of hydr...

Acid-base balance

Description : Acid-base balance refers to the mechanisms the body uses to keep its fluids close to neutr...

Acidophilus:

Description : Bacteria found in yogurt that can help restore a supportive bacterial environment to an in...

Acidosis

Description : Too much acid in the body, a distinctly abnormal condition resulting from the accumulation...

Acinetobacter

Description : (Pronounced AH-sin-neto-bacter). A group of bacteria found in soil, water, and hospitals w...

Acinus, pulmonary

Description : The ending of a tiny airway in the lung, where the alveoli (air sacs) are located. In ana...

ACL

Description : Anterior cruciate ligament...

ACL injury

Description : See: Anterior cruciate injury....

Acne

Description : Localized skin inflammation as a result of overactivity of the oil glands at the base of s...

Acne rosacea

Description : A chronic skin disease that causes persistent redness over the areas of the face and nose ...

Acne vulgaris

Description : The common form of acne, in teens and young adults, that is due to overactivity of the oil...

ACOG (Amer College of Ob & Gyn)

Description : The American College of Obstetricians and Gynecologists is an organization concerned with ...

Acou-

Description : Combining form relating to hearing. As in acoustic, otoacoustic emission test, and presbya...

Acoustic

Description : Having to do with sound or hearing. The acoustic nerve (the 8th cranial nerve) is concerne...

Acoustic aphasia

Description : See: Auditory aphasia...

Acoustic nerve

Description : The eighth cranial nerve which is concerned with hearing, balance, and head position. It b...

Acoustic neurinoma

Description : A benign tumor that may develop on the hearing and balance nerves near the inner ear. The ...

Acoustic neurofibromatosis

Description : See: Neurofibromatosis type 2....

Acoustic neuroma

Description : A benign tumor that may develop on the hearing and balance nerves near the inner ear. The ...

ACP (American College of Physicians)

Description : See: American College of Physicians....

Acquired

Description : Not inherited, or present at birth (congenital), but developing after birth. For example, ...

Acquired deafness

Description : The loss of hearing that occurs or develops some time during a person's life but was not p...

Acquired epileptiform aphasia

Description : See Landau-Kleffner syndrome....

Acquired immunity

Description :  Immunity acquired by infection or vaccination (active immunity) or by the transfer o...

Acquired immunodeficiency syndrome

Description : AIDS. AIDS is a disease due to infection with the human immunodeficiency virus (HIV). Also...

Acquired mutation

Description : A genetic change that occurs in a single cell after the conception of an individual. That ...

Acral-lentiginous melanoma

Description : See: Melanoma, acral-lentiginous....

Acrocentric chromosome

Description : A chromosome in which the centromere is located quite near one end of the chromosome. Huma...

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