MedTerms Medical Dictionary

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Find a medical definition by using the A-Z listing (select a letter)

A (adenine)
A-
A-T
a.c.
AAA
AAAS
AAD
AAFP (American Academy of Family Physicians)
AAMC (Ass Am Medical Colleges)
AAO
AAOS (American Academy of Orthopaedic Surgeons)
AAP
Aarskog-Scott syndrome
Aase-Smith syndrome I
Aase-Smith syndrome II
Ab ovo
Ab-
Abbreviations, prescription
Abdomen
Abdomen, acute
Abdominal
Abdominal aneurysm
Abdominal aorta
Abdominal aortic aneurysm
Abdominal cavity
Abdominal guarding
Abdominal hysterectomy
Abdominal muscle deficiency syndrome
Abdominal muscles
Abdominal pain
Abducent nerve
Abduction
Abductor muscle
Aberration
ABG (arterial blood gas)
Abiotrophy
Ablate
Ablation
Ablation, endometrial
ABO blood group
Abortifacient
Abortion
Abortion, artificial
Abortion, habitual
Abortion, induced
Abortion, multiple
Abortion, recurrent
Abortion, spontaneous
Abortion, therapeutic
Abortive
Abortive polio
ABR test
Abraham-man
Abrasion
Abruptio (abruptio placentae)
Abruption
Abs
Abscess
Abscess, perianal
Abscess, peritonsillar
Abscess, skin
Abscission
Absence of the breast
Absence of the nipple
Absence seizure
Absent eye
Absinthe
Absolute CD4 count
Absolute neutrophil count
Absorbed dose
Absorption
Abstemious
Abstinence, periodic
Abuse, child
Abuse, elder
Abuse, emotional child
Abuse, physical child
Abuse, pregnancy
Abuse, psychological child
Abuse, sexual child
Abuse, steroid
Abuse, verbal child
AC joint
Acanthamoeba
Acapnia
Accelerated phase of leukemia
Accessory nerve
Accessory neuropathy
Accessory placenta
Acclimatization to altitude
Accommodation
Accoucheur
Accoucheuse
ACE (angiotensin converting enzyme)
ACE inhibitor
Acellular
Acellular vaccine
Acentric chromosome
Aceruloplasminemia
Acetabular
Acetabular labrum
Acetabulum
Acetaminophen
Acetone
Acetylsalicylic acid (aspirin)
Achalasia
Achilles tendon
Achilles tendonitis
Achillobursitis
Achillodynia
Achlorhydria
Achondroplasia
Achoo syndrome
Achromatopsia
Acid phosphatase
Acid reflux
Acid, amino
Acid, fatty
Acid, folic
Acid, nucleic
Acid, pantothenic
Acid, trans fatty
Acid-base balance
Acidophilus
Acidosis
Acinus, pulmonary
ACL
Acne
Acne rosacea
Acne vulgaris
ACOG (Amer College of Ob & Gyn)
Acoustic
Acoustic nerve
Acoustic neurinoma
Acoustic neuroma
Acquired
Acquired deafness
Acquired immunodeficiency disease
Acquired immunodeficiency syndrome
Acquired mutation
Acrocentric chromosome
Acrocephalosyndactyly
Acrochordon
Acrocyanosis
Acrodermatitis enteropathica
Acrodynia
Acromegaly
Acromioclavicular joint
Acromion
Acrophobia
ACS (American Cancer Society)
ACS (American College of Surgeons)
Actinic
Actinic keratosis
Active euthanasia
Active immunity
Activities of daily living (ADLs)
Activity, drug
Acuity test, visual
Acuity, auditory
Acuity, visual
Acupressure
Acupuncture
Acupuncturist
Acute
Acute abdomen
Acute angle-closure glaucoma
Acute bacterial prostatitis
Acute coronary syndromes
Acute epiglottitis
Acute fatty liver of pregnancy
Acute HIV infection
Acute idiopathic polyneuritis
Acute illness
Acute leukemia
Acute lymphoblastic leukemia
Acute lymphocytic leukemia
Acute membranous gingivitis
Acute mountain sickness (AMS)
Acute myelogenous leukemia
Acute myeloid leukemia
Acute myocardial infarction
Acute necrotizing ulcerative gingivitis (ANUG)
Acute nonlymphocytic leukemia
Acute pancreatitis
Acute promyelocytic leukemia
Acute respiratory disease
Acute respiratory distress syndrome (ARDS)
Acute thrombocytopenic purpura (ATP)
Acute-phase proteins
Ad lib
Ad-
ADA (American Dental Association)
ADA (American Diabetes Association)
ADA deficiency
Adam's apple
Adamantine
Adams-Stokes disease
ADCC (antibody-dependent cell-mediated cytotox.)
ADD (attention deficit disorder)
Addiction
Addiction, computer
Addison anemia
Addison disease
Addisonian anemia
Adducted thumbs with mental retardation
Adduction
Adductor muscle
Adenine (A)
Adenocarcinoma
Adenoidectomy
Adenoiditis
Adenoids
Adenoids and Tonsils
Adenoma
Adenomyoma
Adenomyomata
Adenomyosis
Adenomyosis uteri
Adenopathy
Adenosine deaminase (ADA)
Adenosine deaminase (ADA) deficiency
Adenosine thallium scan
Adenosine triphosphate (ATP)
Adenovirus
ADH (antidiuretic hormone)
ADH secretion, inappropriate
ADHD
Adhesion
Adhesive capsulitis
Adipocyte
Adiponectin
Adipose
Adjuvant
Adjuvant chemotherapy
Adjuvant therapy
ADLs (activities of daily living)
Adnexa
Adoption medicine
Adrenal cortex
Adrenal failure
Adrenal gland
Adrenal medulla
Adrenaline
Adrenoleukodystrophy
Adult primary liver cancer
Adult respiratory distress syndrome
Adult-onset diabetes
Adult-onset Still disease
Advance directives
Advance medical directives
Adventitia
Adventitious
Adverse effect
Adverse event
Aer-, aero-
Aerobic exercise
Aerophagia
Aerophobia
Aerosinusitis
Aerosol
Aerotitis
Aerotitis media
Aesculapius
Aetiology
Affective disorder, seasonal (SAD)
Afferent
Afferent nerve
Afferent vessel
Aflatoxin
AFO (ankle-foot orthosis)
AFP (alpha-fetoprotein)
African tapeworm
African tick typhus
Afterbirth
Agammaglobulinemia
Age-related macular degeneration
Agency for Toxic Substances and Disease Registry
Agenesis
Agenesis of the gallbladder
Agenesis, sacral
Agent, anti-infective
Agent, antibiotic
Agent, antifungal
Agent, antihypertensive
Agent, antimicrobial
Agent, antiprotozoal
Agent, antiviral
Agent, tocolytic
Ageusia
Aggressive angiomyxoma
Aging
Aging, National Institute on
Agnosia
Agonist
Agonist, LHRH
Agoraphobia
Agranulocytosis
Agranulocytosis, infantile genetic
Agreement, arbitration
Ague
Agyrophobia
AHD
Aicardi syndrome
AID (artificial insemination by donor)
Aid, vibrotactile
AIDS
AIDS dementia complex
AIDS-related complex
AIH (artificial insemination by husband)
Ailurophobia
Air bag
Air travel with diabetes
Air-conditioner lung
Airway
Airway obstruction
AKA (above the knee amputation)
Akinesia
Akinetic
Akinetic mutism
Alagille syndrome
Alanine
Alanine aminotransferase (ALT)
Alb-
Albinism
Albinism & hemorrhagic diathesis
Albino
Albright syndrome
Albuginea
Albumen
Albumin
Albuminuria
Alcohol
Alcohol abuse
Alcohol Abuse and Alcoholism, National Institute o
Alcohol poisoning
Alcohol, pregnancy
Alcoholics Anonymous
Alcoholism
Aldose reductase inhibitor
Aldosterone
Aldosteronism
Alembic
Alexander disease
Alexia
Algophobia
Alien hand syndrome
Alienist
Alkaline phosphatase
Alkalosis
ALL (acute lymphoblastic leukemia)
Allele
Allergen
Allergic conjunctivitis
Allergic contact dermatitis
Allergic contact eczema
Allergic granulomatosis
Allergic granulomatous angiitis
Allergic reaction
Allergic rhinitis
Allergic rhinitis, perennial
Allergic rhinitis, seasonal
Allergic salute
Allergic vasculitis
Allergy
Allergy & Infectious Diseases, National Inst.
Allergy desensitization
Allergy immunotherapy
Allergy scratch test
Allergy shots
Allergy skin test
Allergy to cockroaches
Allergy, cow milk
Allergy, soy milk
Alloerotic
Allopathy
Alopecia
Alopecia areata
Alopecia capitis totalis
Alopecia universalis
Alopecia, traumatic
Alpers disease
Alpha cell, pancreatic
Alpha error
Alpha interferon
Alpha Omega Alpha
Alpha particle
Alpha thalassemia
Alpha-1 antitrypsin deficiency
Alpha-fetoprotein (AFP)
Alpha-galactosidase A deficiency
Alport syndrome
Alprazolam
ALS (amyotrophic lateral sclerosis)
Alstrom syndrome
ALT (alanine aminotransferase)
Alternative medicine
Alternative Medicine, National Center for
Alternative splicing
Altitude illness
Altitude sickness
Altitude, acclimatization to
Altitude, high
Alveolar hydatid disease
Alveoli
Alveolus
Alzheimer disease
AMA (American Medical Association)
Amalgam
Amastia
Amathophobia
Amaurosis fugax
Amaurotic familial idiocy
Amazia
Amblyopia
Amblyopia, nocturnal
Ambulance
Ambulant
Ambulatory
Ambulatory care
AMC (arthrogryposis multiplex congenita)
Ameba
Amebiasis
Amebic colitis
Amebic dysentery
Amelioration
Amenia
Amenorrhea
Amer College of Ob & Gyn (ACOG)
American Academy of Family Physicians (AAFP)
American Academy of Orthopaedic Surgeons
American Academy of Pediatrics
American Association for Advancement of Science
American Association of Dermatology
American Cancer Society (ACS)
American College of Surgeons (ACS)
American Dental Association (ADA)
American Diabetes Association (ADA)
American Journal of Public Health
American Medical Association (AMA)
American Sign Language
American Type Culture Collection (ATCC)
AMI
Amine
Amino acid
Aminotransferase
Amitriptyline
AML
Amnesia
Amnesia, antegrade
Amnesia, retrograde
Amniocentesis
Amnion
Amniotic fluid
Amoeba
Amoxicillin
Amphetamine
Amplification
Amplification, DNA
Ampulla of Vater
Ampullary carcinoma
Amputation
AMS (acute mountain sickness)
AMS (atypical measles syndrome)
Amsler grid
Amusia
Amylase
Amyloidosis
Amyloidosis, hereditary
Amyloidosis, primary
Amyloidosis, secondary
Amyotrophic lateral sclerosis (ALS)
An-
ANA
Anaerobic
Anal atresia
Anal fissure
Anal itching
Analgesia
Analgesic
Analysis
Analysis, linkage
Anaphia
Anaphylactic shock
Anaphylactoid purpura
Anaphylaxis
Anaptic
Anastomosis
Anat.
Anatomic orientation terms
Anatomical snuffbox
Anatomy
Anatomy, Gray's
Anatomy, gross
Anatomy, microscopic
Anatripsis
ANC
Ancylostoma infection
Anderson-Fabry disease
Androgen
Androgen insensitivity syndrome, complete
Androgenic
Android pelvis
Androphobia
Anemia
Anemia and triphalangeal thumbs
Anemia, Addison
Anemia, addisonian
Anemia, aplastic
Anemia, Biermer's
Anemia, Cooley's
Anemia, Fanconi
Anemia, iron deficiency
Anemia, Mediterranean
Anemia, pernicious
Anemia, refractory
Anemia, sickle cell
Anemic
Anencephaly
Anergy
Anesthesia
Anesthesiologist
Anesthesiology
Anesthetic
Anesthetic, epidural
Anesthetic, general
Anesthetic, local
Anesthetist
Aneuploidy
Aneurysm
Aneurysm, abdominal
Aneurysm, aortic
Aneurysm, arterial
Aneurysm, arteriosclerotic
Aneurysm, atherosclerotic
Aneurysm, berry
Aneurysm, brain
Aneurysm, cardiac
Aneurysm, dissecting
Aneurysm, fusiform
Aneurysm, miliary
Aneurysm, racemose
Aneurysm, renal
Aneurysm, saccular
Aneurysm, thoracic
Aneurysm, venous
Angelman syndrome
Angiitis
Angiitis, allergic granulomatous
Angina
Angina pectoris
Angina trachealis
Angina, exudative
Angina, Prinzmetal
Angina, variant
Angina, Vincent
Angioedema
Angioedema, hereditary
Angiogenesis
Angiogram
Angiography
Angiography, coronary
Angiography, fluorescein
Angioid streaks
Angiokeratoma corporis diffusum universale
Angiomatosis, bacillary
Angiomyxoma, aggressive
Angioneurotic edema, hereditary
Angiopathy
Angioplasty
Angiosarcoma
Angiostatin
Angiotensin
Angiotensin converting enzyme
Angiotensin II receptor blocker
Angle-closure glaucoma
Angle-closure glaucoma, acute
Anhedonia
Anhidrosis
Anhidrotic
Aniline
Anion
Anion gap
Anisocoria
Anisometropia
Ankle
Ankle bone
Ankle joint
Ankle pain
Ankle-foot orthosis
Ankyloglossia
Ankylosing spondylitis
Ankyrin deficiency
ANLL
Annals of Internal Medicine
Annexin V
Annexins
Annotate
Annotation, genome
Annular pancreas
Annulus
Anomaly
Anomaly, congenital
Anomia
Anonymous reporting
Anonymous testing
Anophthalmia
Anorexia
Anorexia nervosa
Anorgasmy
Anosmia
Anotia
Anovular menstruation
Anoxia
Ant, fire
Antagonist
Antegrade amnesia
Antenatal surgery
Anterior
Anterior chamber
Anterior cruciate ligament
Anterior pituitary
Anterograde memory
Anteroposterior
Anteroposterior (AP)
Anthophobia
Anthracycline
Anthrax
Anthrax immunization
Anthrax toxin
Anti-angiogenesis drugs
Anti-infective
Anti-platelet agents
Anti-reflux surgery (fundoplication)
Antiandrogen
Antibacterial
Antibiotic
Antibiotic resistance
Antibody
Antibody, antinuclear
Antibody, antithyroglobulin
Antibody-dependent cell-mediated cytotoxicity
Anticholinergic
Anticipation
Anticoagulant
Anticoagulant agent
Anticonvulsant
Antidepressant
Antidepressant, MAOI
Antidepressant, SSRI
Antidepressant, tricyclic
Antidiabetic agent
Antidiuretic hormone (ADH)
Antidote
Antiestrogen
Antifreeze poisoning
Antifungal
Antifungal agent
Antifungal drug
Antifungal medication
Antigen
Antigen, prostate specific (PSA)
Antigen-presenting cell
Antihistamines
Antihypertensive
Antiinfective
Antimalarial
Antimicrobial
Antimicrobial agent
Antimicrobial drug
Antimicrobial medication
Antimony
Antinuclear antibody
Antinuclear antibody test
Antioxidant
Antiphospholipid antibody syndrome
Antiprotozoal
Antiprotozoal drug
Antipsychotic
Antipyretic
Antiretroviral therapy (ART)
Antisense
Antisense DNA
Antisense mRNA
Antisepsis
Antiseptic
Antispasmodic
Antithyroglobulin
Antithyroid antibody
Antithyroid drug
Antitoxin
Antiviral
Antiviral agent
Antro-duodenal motility study
Antrum
Ants, fire
Ants, velvet
ANUG (acute necrotizing ulcerative gingivitis)
Anus
Anus, imperforate
Anxiety
Anxiety disorder
Anxiety disorder, social
AOA
Aorta
Aorta, abdominal
Aorta, ascending
Aorta, coarctation of the
Aorta, descending
Aorta, thoracic
Aortal
Aortic
Aortic aneurysm
Aortic arch
Aortic atresia
Aortic insufficiency (regurgitation)
Aortic stenosis
Aortic valve
Aortic valve, bicuspid
AP
AP (anteroposterior)
AP, X-ray
APC
APECED (autoimmune polyendocrinopathy)
Apert syndrome
Apert syndrome acrocephalosyndactyly
Apex
Apgar
Apgar score
Aphagia
Aphakia
Aphasia
Apheresis
Aphonia
Aphrasia
Aphthous ulcer
Apical
Apiphobia
APL
Aplasia
Aplasia of the breast
Aplastic anemia
APLS (antiphospholipid antibody syndrome)
Apnea
Apnea, central sleep
Apnea, obstructive sleep
ApoE
Apolipoprotein E
Apophysitis calcaneus
Apoplexy
Apoptosis
Appendectomy
Appendicitis
Appendix
Appendix cancer
Appendix epididymis
Appendix epiploica
Appendix testis
Apposition
Apraxia
Apraxia of speech
APS (autoimmune polyglandular syndrome)
Aquaphobia
Aqueduct
Aqueduct of Sylvius
Aqueduct of the midbrain
Aqueous humor
Arabidopsis thaliana genome
Arachnodactyly
Arachnoiditis
Arachnophobia
Arbitration agreement
Arborvirus
Arboviral encephalitis
Arbovirus
Arch, aortic
Arch, zygomatic
Archaea
Archaeogenetics
Arcus senilis
ARD
ARDS
Areflexia
Areola
Argentaffinoma
Arginine
Argyria
Arhythmia
Aristolochia fangchi
Arm
Armed tapeworm
Aromatase
Aromatase inhibitor
Aromatherapy
Arrayed library
Arrector pili
Arrectores pilorum
Arrhythmia
Arrhythmia, sinus
Arrhythmias, atrial
Arrhythmias, rapid
Arrhythmias, slow
Arrhythmias, ventricular
Arsenic
ART (antiretroviral therapy)
Arterial aneurysm
Arterial blood gas (ABG)
Arterial tension
Arteries, coronary
Arteriogram
Arteriohepatic dysplasia
Arteriole
Arteriosclerosis
Arteriosclerotic aneurysm
Arteriovenous malformation
Arteriovenous malformation (AVM)
Arteritis, cranial
Arteritis, giant cell
Arteritis, temporal
Artery
Artery disease, coronary
Artery spasm, coronary
Artery, brachial
Artery, carotid
Artery, central retinal
Artery, hepatic
Artery, mesenteric
Artery, ophthalmic
Artery, splenic
Artery, vertebral
Arthralgia
Arthritis
Arthritis & Musculoskeletal & Skin Dis, Nat'l Inst
Arthritis in children
Arthritis, degenerative
Arthritis, gout
Arthritis, Lyme
Arthritis, psoriatic
Arthritis, quackery
Arthritis, reactive
Arthritis, Reiter
Arthritis, rheumatoid
Arthritis, spondylitis
Arthritis, systemic-onset chronic rheumatoid
Arthritis, systemic-onset juvenile rheumatoid
Arthrocentesis
Arthrogryposis
Arthrogryposis multiplex congenita (AMC)
Arthroscopic
Arthroscopy
Arthrosis
Articulation
Articulation disorder
Articulations of the body, principal
Artificial abortion
Artificial heart
Artificial insemination
Artificial insemination by donor (AID)
Artificial insemination by husband (AIH)
Artificial knee
Artificial pacemaker
Artificial pancreas
ASA (drug caution code)
Asbestos
Asbestosis
Ascariasis
Ascaris
Ascending aorta
Ascending pathway
Ascites
Ascorbic acid
ASCUS
Ascus
ASD
Aseptic
Aseptic bursitis
Aseptic necrosis
Asian cholera
ASL
ASOT
Aspartame
Aspartate aminotransferase (AST)
Asperger syndrome
Aspergillosis
Aspergillus
Asphyxia
Aspirate
Aspiration
Aspiration pneumonia
Aspiration, joint
Aspirin
Asplenia
Asplenic
Assay
Assay, CEA
Assay, NSE
Assembly, DNA
Assistant, physician (PA)
Assisted living
Assisted suicide
Assistive device
Assistive technology
Association (dysmorphology)
Association (genetics)
Association of American Medical Colleges
Association, VATER
AST
Asthma
Asthma susceptibility gene
Asthma, exercise-induced
Asthma, thermally induced
Astigmatic
Astigmatism
Astraphobia
Astrocytoma
Asymptomatic
Asymptomatic infection
AT (in DNA)
Ataxia
Ataxia, cerebellar
Ataxia-telangiectasia
ATCC (American Type Culture Collection)
Atelectasis
Atelectasis, primary
Atelectasis, secondary
Athelia
Atherectomy
Atherosclerosis
Atherosclerotic aneurysm
Athetosis
Athlete foot
Atlantoaxial
Atlas
Atlas and axis joint
Atloaxoid joint
Atom
Atonia, REM sleep
Atopic
Atopic dermatitis
ATP (acute thrombocytopenic purpura)
ATP (adenosine triphosphate)
Atresia
Atresia, anal
Atresia, aortic
Atresia, biliary
Atria
Atrial arrhythmias
Atrial fibrillation
Atrial flutter
Atrial septal defect (ASD)
Atrial septum
Atrioventricular (AV)
Atrioventricular node
Atrium
Atrophic vaginitis
Atrophy
Atrophy, peroneal muscular
Atropine
Atropine psychosis
ATSDR
Attack, vasovagal
Attention
Attention deficit disorder (ADD)
Attention deficit hyperactivity disorder
Attention getting
Attenuate
Attenuated
Attenuated virus
Atypical
Atypical measles syndrome (AMS)
Audiogram
Audiologist
Audiology
Audiometry
Auditory acuity
Auditory brainstem response test
Auditory disease, central
Auditory integration training
Auditory perception
Auditory prosthesis
Auditory tube
Aura
Aural vertigo, recurrent
Auricle
Auricular
Auscultate
Autism
Autoantibody
Autoclave
Autogenous
Autoimmune
Autoimmune disease
Autoimmune lymphoproliferative syndrome (ALPS)
Autoimmune polyendocrinopathy
Autoimmune polyendocrinopathy syndrome
Autoimmune polyglandular syndrome (APS)
Autoimmunity
Autologous
Autologous blood donation
Autolysis
Automated white cell differential
Automatic behavior
Automatism
Autonomic nervous system
Autonomic neuropathy
Autonomy, patient
Autophobia
Autopsy
Autoradiography
Autosomal
Autosomal dominant
Autosomal dominant hereditary spastic paraplegia
Autosomal recessive
Autosome
Aux-
AV (atrioventricular)
AV node
Avascular necrosis
Avascular necrosis of the femoral head
AVM
AVM (arteriovenous malformation)
Avulsion
Axial tomography, computerized
Axilla
Axillary
Axillary dissection
Axis
Axon
Ayurveda
Azoospermia
Azotemia
AZT

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Find a medical definition by using the A-Z listing (select a letter)

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