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  You are here : > Dictionary of Medical Acronyms & Abbreviations
    Dictionary of Medical Acronyms & Abbreviations
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[ A ]

A1 | A2 | A3 | A4 | A5 | A6 | A7 |
  • A  abnormal; abortion; absolute temperature; absorbance; acceptor; accommodation; acetone; acetum; achondroplasia; acid; acidophil, acidophilic; acromion; actin; Actinomyces; activity [radiation]; adenine; adenoma; adenosine; admittance; adrenalin; Adriamycin; adult; age; akinetic; alanine; albino [guinea pig]; albumin; allergologist, allergy; alpha [cell]; alveolar gas; ambulation; ampere; amphetamine; ampicillin; amplitude; anaphylaxis; androsterone; anesthetic; angstrom, Ängström unit; anode; Anopheles; antagonism; anterior; antibody; antrectomy; apical; aqueous; area; argon; artery [Lat. arteria]; atomic weight; atrium; atropine; auricle; auscultation; axial; axilla, axillary; before [Lat. ante]; blood group A; ear [Lat. auris]; mass number; subspinale; total acidity; tumor limited to the bowel [Dukes classification]; tumor limited to the mucosa [Astler-Coller classification]; water [Lat. aqua]; year [Lat. annum]
  • A [band]  the dark-staining zone of a striated muscle
  • A1  aortic first sound; prostatic tumor less than 5% [Jewett staging system]
  • A-1, 2, 3, 4, 5  anterior cerebral artery segments 1, 2, 3, 4, 5
  • AI, AII, AIII  angiotensin I, II, III
  • A2  prostatic tumor more than 5% [Jewett staging system]
  • A2  aortic second sound
  • Ä  Ängström unit
  • à cumulated activity; antinuclear antibody
  • a  absorptivity; acceleration; accommodation; acidity; activated; ampere; anode; anterior; area; arterial blood; arterial; artery [Lat. arteria]; atto-; autopsy; before [Lat. ante]; thermodynamic activity; total acidity; water [Lat. aqua]
  • a-  atto- [10-18]
  • a  sample y intercept of straight line
  •   before [Lat. ante]
  • α  see alpha
  • AA  abampere; abdominal aorta; acetabular anteversion; acetic acid; achievement age; active alcoholic; active assistive [range of motion]; active avoidance; acupuncture analgesia; acute appendicitis; adenine arabinoside; adenylic acid; adjuvant arthritis; adrenal androgen; adrenocortical autoantibody; African American; aggregated albumin; [bacterial] aggregative adherence; agranulocytic angina; alcohol abuse; Alcoholics Anonymous; allergic alveolitis; alopecia areata; alveolo-arterial; aminoacetone; amino acid; aminoacyl; amyloid A; anaplastic astrocytoma; anti-arrhythmic agent; anticipatory avoidance; antigen aerosol; aortic amplitude; aortic aneurysm; aortic arch; aplastic anemia; arachidonic acid; arteries; ascending aorta; atlanto-axial; atomic absorption; Australia antigen; autoanalyzer; automobile accident; axonal arborization
  • 2AA  2-aminoanthracene
  • A&A  aid and attendance; awake and aware
  • A-a  alveolar-arterial; alveolar-atrial
  • aA  abampere
  • aa  amino acid; arteries [Lat. arteriae]
  • AAA  abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute anxiety attack; alacrimia-achalasia-addisonianism [syndrome]; American Academy of Addictionology; American Academy of Allergy; American Association of Anatomists; androgenic anabolic agent; aneurysm of ascending aorta; angiography of abdominal aorta; Area Agency on Aging; aromatic amino acid; arrest after arrival
  • AAAD  aromatic amino acid decarboxylase
  • AA/AD  alcohol abuse/alcohol dependence
  • AAAE  amino acid activating enzyme
  • AAAHC  Accreditation Association for Ambulatory Health Care
  • AAAHE  American Association for the Advancement of Health Education
  • AAAI  American Academy of Allergy and Immunology; American Association of Artificial Intelligence
  • AAALAC  American Association for Accreditation of Laboratory Animal Care
  • AAAM  Association for the Advancement of Automotive Medicine
  • AAAS  American Association for the Advancement of Science
  • AAASPS  African-American Antiplatelet Stroke Prevention Study
  • AAAV  avian adeno-associated virus
  • AAB  American Association of Bioanalysts; aminoazobenzene
  • AABB  American Association of Blood Banks; axis-aligned bounding boxes
  • AABCC  alertness (consciousness), airway, breathing, circulation, cervical spine
  • AABS  automobile accident, broadside
  • AABV  Ascogaster argentifrons bracovirus
  • AAC  antibiotic-associated [pseudomembranous] colitis; antimicrobial agent--induced colitis; augmentative and alternative communication
  • AACA  acylaminocephalosporanic acid
  • 6´AAC-2″APH  6´-acetyltransferase-2″-phosphotransferase
  • AACC  American Association for Clinical Chemistry
  • AACCN  American Association of Critical Care Nurses
  • AACD  aging-associated cognitive decline
  • AACE  acute acquired comitant esotropia
  • AACEM  Association of Academic Chairs in Emergency Medicine
  • AACG  acute angle closure glaucoma
  • AACHP  American Association for Comprehensive Health Planning
  • AACIA  American Association for Clinical Immunology and Allergy
  • AACN  American Association of Colleges of Nursing; American Association of Critical-Care Nurses
  • AACOM  American Association of Colleges of Osteopathic Medicine
  • AACP  American Academy of Cerebral Palsy; American Association of Colleges of Pharmacy
  • AACPDM  American Academy for Cerebral Palsy and Developmental Medicine
  • AACS  American Academy of Cosmetic Surgery
  • AACSH  adrenal androgen corticotropic stimulating hormone
  • AACT  American Academy of Clinical Toxicology
  • AACVPR  American Association of Cardiovascular and Pulmonary Rehabilitation
  • AAD  acute agitated delirium; acute aortic dissection; alcohol abuse or dependence; alloxazine adenine dinucleotide; alpha-1-antitrypsin deficiency; American Academy of Dermatology; antiarrhythmic drug; antibiotic-associated diarrhea; aromatic acid decarboxylase; average absolute deviation
  • 7-AAD  7-amino-actinomycin D
  • AADC  amino acid decarboxylase; L-aromatic amino acid decarboxylase
  • AADE  American Association of Dental Editors; American Association of Dental Examiners
  • AADGP  American Academy of Dental Group Practice
  • AADH  alopecia-anosmia-deafness-hypogonadism [syndrome]
  • (A-a)DN2  alveolo-arterial nitrogen tension difference
  • AaDNV  Aedes aegypti densovirus
  • AADO2, (a-A) DO2  arterio-alveolar oxygen tension difference
  • AADP  American Academy of Denture Prosthetics; amyloid A-degrading protease
  • AADPA  American Academy of Dental Practice Administration
  • AADR  American Academy of Dental Radiology
  • AADS  American Academy of Dental Schools
  • AAE  active assistive exercise; acute allergic encephalitis; American Association of Endodontists; annuloaortic ectasia
  • AAEE  American Association of Electromyography and Electrodiagnosis
  • AAEM  American Academy of Emergency Medicine; American Academy of Environmental Medicine; American Association of Electrodiagnostic Medicine
  • AAEV  Aedes aegypti entomopoxvirus
  • AA ex  active assistive exercise
  • AAF  acetylaminofluorene; aggregative adherence fimbriae; aortic arch flush; ascorbic acid factor
  • 2-AAF  N-2-fluorenylacetamide
  • AAFP  American Academy of Family Physicians; American Academy of Family Practice
  • AAFPRS  American Academy of Facial Plastic and Reconstructive Surgery
  • AAFT  amplitude-adjusted Fourier transform
  • AAG  3-alkaladenine deoxyribonucleic acid glycosylase; allergic angiitis and granulomatosis; alpha-1-acid glycoprotein; alveolar arterial gradient; autoantigen
  • 17AAG  17-allylamino-17-demethoxygeldanamycin
  • AAGL  American Academy of Gynecologic Laparoscopists
  • AAGP  American Academy of General Practice; American Association for Geriatric Psychiatry
  • AAH  Academy of Architecture for Health
  • AAHA  American Academy of Hospital Attorneys; American Association of Homes for the Aging
  • AAHC  American Academy of Healthcare Consultants; American Accreditation HealthCare Commission; Association of Academic Health Centers
  • AAHD  American Association of Hospital Dentists
  • AAHE  Association for the Advancement of Health Education
  • AAHP  American Association of Health Plans
  • AAHPER  American Association for Health, Physical Education, and Recreation
  • AAHRPP  Association for the Accreditation of Human Research Protection Programs
  • AAHS  American Association for Hand Surgery
  • AAHSL  Association of Academic Health Sciences Libraries
  • AAHSLD  Association of Academic Health Sciences Library Directors
  • AAI  acute alveolar injury; Adolescent Alienation Index; American Association of Immunologists; atrial inhibited [pacemaker]
  • AAIB  alpha-1-aminoisobutyrate
  • AAID  American Academy of Implant Dentures
  • AAIN  American Association of Industrial Nurses
  • AAK  allo-activated killer
  • AAL  ambient air level; anterior axillary line
  • AALAC  American Association for Laboratory Animal Care
  • AALAS  American Association of Laboratory Animal Science
  • AALib  amino acid library
  • AALL  American Association for Labor Legislation
  • AALNC  American Association of Legal Nurse Consultants
  • AAM  acute aseptic meningitis; American Academy of Microbiology; amino acid mixture
  • AAm  acrylamide
  • AAMA  American Academy of Medical Administrators; American Association of Medical Assistants
  • AAMC  American Association of Medical Clinics; Association of American Medical Colleges
  • AAMD  American Academy of Medical Directors; American Association of Mental Deficiency
  • AAME  acetylarginine methyl ester
  • AAMFT  American Association for Marriage and Family Therapy
  • AAMI  Association for the Advancement of Medical Instrumentation
  • AAMIH  American Association for Maternal and Infant Health
  • AAMMC  American Association of Medical Milk Commissioners
  • AAMP  American Academy of Maxillofacial Prosthetics; American Academy of Medical Prevention
  • AAMR  American Academy of Mental Retardation
  • AAMRL  American Association of Medical Record Librarians
  • AAMRS  automated ambulatory medical record system
  • AAMS  acute aseptic meningitis syndrome
  • AAMSI  American Association for Medical Systems and Informatics
  • AAMT  American Association for Medical Transcription
  • AAMU  5-acetylamino-6-amino-methyluracil
  • AAN  AIDS-associated nephropathy; alpha-amino nitrogen; American Academy of Neurology; American Academy of Nursing; American Academy of Nutrition; American Association of Neuropathologists; amino acid nitrogen; analgesic-associated nephropathy; attending's admission notes
  • AANA  American Association of Nurse Anesthetists
  • AANE  American Association of Nurse Executives
  • AANM  American Association of Nurse-Midwives
  • AANPI  American Association of Nurses Practicing Independently
  • AAO  American Academy of Ophthalmology; American Academy of Optometry; American Academy of Osteopathy; American Academy of Otolaryngology; American Association of Ophthalmologists; American Association of Orthodontists; amino acid oxidase; ascending aorta; awake, alert, and oriented
  • AAo  ascending aorta
  • A-a O2  alveolar-arterial oxygen gradient; alveolo-arterial oxygen tension
  • AAOC  antacid of choice
  • AAofA  Ambulance Association of America
  • AAOHN  American Association of Occupational Health Nurses
  • AAOM  American Academy of Oral Medicine
  • AAOMS  American Association of Oral and Maxillofacial Surgery
  • AAOO  American Academy of Ophthalmology and Otolaryngology
  • AAOP  American Academy of Oral Pathology
  • AAOPP  American Association of Osteopathic Postgraduate Physicians
  • AAOS  American Academy of Orthopedic Surgeons; American Association of Osteopathic Specialists
  • AAP  acute abdominal pain; acute appendicitis; air at atmospheric pressure; American Academy of Pediatrics; American Academy of Pedodontics; American Academy of Periodontology; American Academy of Psychoanalysts; American Academy of Psychotherapists; American Association of Pathologists; Association for the Advancement of Psychoanalysis; Association for the Advancement of Psychotherapy; Association of Academic Physiatrists; Association of American Physicians
  • AAPA  American Academy of Physician Assistants; American Association of Pathologist Assistants
  • AAPB  American Association of Pathologists and Bacteriologists
  • AAPC  antibiotic-associated pseudomembranous colitis; average annual percent change
  • AAPCC  adjusted annual per capita cost; adjusted average per capita costs; American Association of Poison Control Centers
  • AaPCO2, (A-a)PCO2  alveolo-arterial carbon dioxide tension difference
  • AAPF  anti-arteriosclerosis polysaccharide factor
  • AAPH  2,2´-azobis-(2-amidinopropane) hydrochloride
  • AAPHD  American Association of Public Health Dentists
  • AAPHP  American Association of Public Health Physicians
  • AAPL  American Academy of Psychiatry and the Law
  • AAPM  American Association of Physicists in Medicine
  • AAPMC  antibiotic-associated pseudomembranous colitis
  • AAPM&R  American Academy of Physical Medicine and Rehabilitation
  • AaPO2, (A-a) PO2  alveolo-arterial oxygen tension difference
  • AAPP  American Academy on Physician and Patient
  • AAPPO  American Association of Preferred Provider Organizations
  • AAPS  American Association of Pharmaceutical Scientists; American Association of Plastic Surgeons; Arizona Articulation Proficiency Scale; Association of American Physicians and Surgeons
  • AAPT  Adolescent Alcohol Prevention Trial
  • AAR  active avoidance reaction; acute articular rheumatism; antigen-antiglobulin reaction
  • aar  against all risks
  • AARC  American Association for Respiratory Care
  • AARE  automobile accident, rear end
  • AARNet  Australian Academic and Research Network
  • AAROM  active assertive range of motion; active-assisted range of motion
  • AARP  American Association of Retired Persons
  • AART  American Association for Rehabilitation Therapy; American Association for Respiratory Therapy
  • AAS  Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy of Sanitarians; American Analgesia Society; aneurysm of atrial septum; anthrax antiserum; aortic arch syndrome; atomic absorption spectrophotometry
  • AASD  American Academy of Stress Disorders
  • aa seq  amino acid sequence
  • AASH  adrenal androgen stimulating hormone; American Association for the Study of Headache
  • AASK  African American Study of Kidney Disease and Hypertension Pilot Study
  • AASP  acute atrophic spinal paralysis; American Association of Senior Physicians; ascending aorta synchronized pulsation
  • AASS  American Association for Social Security
  • AAST  American Association for the Surgery of Trauma
  • AAT  Aachen Aphasia Test; academic aptitude test; Accolate Asthma Trial; alanine aminotransferase; alkylating agent therapy; alpha-1-antitrypsin; atrial triggered [pacemaker]; auditory apperception test; automatic atrial tachycardia
  • A1AT  α1-antitrypsin
  • α1AT  α1-antitrypsin
  • AATB  American Association of Tissue Banks
  • AATS  American Association for Thoracic Surgery
  • AAU  acute anterior uveitis
  • AAUT  actual amount of use test
  • AAV  adeno-associated virus
  • AaV  Acherontia atropas virus; Allomyces arbuscula virus
  • AAVMC  Association of American Veterinary Medical Colleges
  • AAVP  American Association of Veterinary Parasitologists
  • AAW  anterior aortic wall
  • AB  abdominal; able body; abnormal; abortion; Ace bandage; active bilaterally; aid to the blind; airbag; alcian blue; alertness behavior; antibiotic; antibody; antigen binding; apex beat; asbestos body; asthmatic bronchitis; axiobuccal; Bachelor of Arts [Lat. Artium Baccalaureus]; blood group AB
  • A/B  acid-base ratio
  • A&B  apnea and bradycardia
  • A>B  air greater than bone [conduction]
  • Ab  abortion; antibiotic; antibody; antivenom
  • Ab  amount in body
  • aB  azure B
  • ab  aberration; abortion; antibody; from [Lat.]
  • 3AB  3-aminobenzamide
  • ABA  abscissic acid; allergic bronchopulmonary aspergillosis; American Board of Anesthesiologists; American Burn Association; antibacterial activity; arrest before arrival; autonomic blocking agent
  • ABACAS  Adjunctive Balloon Angioplasty Following Coronary Atherectomy Study
  • AB/AM  antibiotic/antimycotic
  • ABAT  American Board of Applied Toxicology
  • ABAV  Abadina virus
  • ABB  Albright-Butler-Bloomberg [syndrome]; American Board of Bioanalysis
  • ABBI  advanced breast biopsy instrument
  • ABBQ  AIDS Beliefs and Behavior Questionnaire
  • abbr  abbreviation, abbreviated
  • ABC  abacavir; absolute basophil count; absolute bone conduction; acalculous biliary colic; acid balance control; aconite-belladonna-chloroform; adenosine triphosphate [ATP] binding cassette; airway, breathing, and circulation; alignment, blue, calcium [synovial fluid pearls in gout and pseudogout]; Alpha Beta Canadian [trial]; alternative birth center; alum, blood, and charcoal [purification and deodorizing method]; alum, blood, and clay [sludge deodorizing method]; American Blood Commission; aneurysmal bone cyst; antigen-binding capacity; antigen-binding cell; apnea, bradycardia, cyanosis; aspiration biopsy cytology; assessment of basic competency; atomic, biological, and chemical [warfare]; axiobuccocervical; autism behavior checklist; avidin-biotin peroxidase complex
  • A&BC  air and bone conduction
  • ABCA1  ATP-binding cassette A1
  • ABCC  Atomic Bomb Casualty Commission
  • ABCD  airway, breathing, circulation, differential diagnosis (or defibrillate) [in cardiopulmonary resuscitation]; amphotericin B colloidal dispersion; appropriate blood pressure control in diabetes; asymmetry, borders are irregular, color variegated, diameter > 6 mm [biopsy in melanoma]
  • ABCDE  airway, breathing, circulation, disability, exposure [in trauma patients]; botulism toxin pentavalent
  • ABCDES  abnormal alignment, bones-periarticular osteoporosis, cartilage-joint space loss, deformities, marginal erosions, soft tissue swelling [x-ray features in rheumatoid arthritis]; adjust medication, bacterial prophylaxis, cervical spine disease, deep vein thrombosis prophylaxis, evaluate extent and activity of disease, stress-dose steroid coverage [preoperative evaluation in rheumatoid diseases]; alignment, bone mineralization, calcifications, distribution of joints, erosions, soft tissue and nails [x-ray features in arthritis]; ankylosis, bone osteoporosis, cartilage destruction, deformity of joints, erosions, swelling of soft tissues [x-ray features of septic arthritis]
  • ABCIC  airway, breathing, circulation, intravenous crystalloid
  • ABCIL  antibody-mediated cell-dependent immunolympholysis
  • ABC-M  chemical-biological aircraft mask
  • ABCN  American Board of Clinical Neuropsychology
  • ABD  abdomen; aged, blind, and disabled; aggressive behavioral disturbance; aortic barodenervated [rat]; automatic border detection; automatic boundary detection; average body dose
  • Abd, abd  abdomen, abdominal; abduct, abduction, abductor
  • abdom  abdomen, abdominal
  • ABDPH  American Board of Dental Public Health
  • ABE  acute bacterial endocarditis; American Board of Endodontics; botulism equine trivalent antitoxin
  • ABEM  American Board of Emergency Medicine
  • ABEPP  American Board of Examiners in Professional Psychology
  • ABER  abducted and externally rotated; auditory brainstem evoked response
  • aber  aberrant
  • A-β  amyloid beta-peptide
  • ABF  aortic blood flow; aortobifemoral
  • ABG  arterial blood gas; axiobucco-gingival
  • ABGC  American Board of Genetic Counseling
  • ABI  ankle/brachial index; atherothrombotic brain infarct
  • ABIC  Adaptive Behavior Inventory for Children; antibody excess immune complex
  • ABIM  American Board of Internal Medicine
  • ABIMCE  American Board of Internal Medicine certifying examination
  • ABIT  assertive behavior inventory tool
  • ABK  aphakic bullous keratopathy
  • ABL  Abelson proto-oncogene; abetalipoproteinemia; acceptable blood loss; acute basophilic leukemia; African Burkitt lymphoma; Albright-Butler-Lightwood [syndrome]; allograft-bound lymphocyte; angioblastic lymphadenopathy; antigen-binding lymphocyte; Army Biological Laboratory; automated biological laboratory; axiobuccolingual
  • Abl  ablation
  • ABLB  alternate binaural loudness balance
  • ABLC  amphotericin B lipid complex
  • ABLES  Adult Blood Lead Epidemiology and Surveillance
  • ABM  abamectin; adjusted body mass; alveolar basement membrane; autologous bone marrow
  • ABMG  American Board of Medical Genetics
  • ABMI  autologous bone marrow infusion
  • AbMLV  Abelson murine leukemia virus
  • ABMM  American Board of Medical Management
  • ABMS  American Board of Medical Specialties
  • ABMT  American Board of Medical Toxicology; autologous bone marrow transplantation
  • ABMV  Above Maiden virus; Abu Mina virus
  • AbMV  Abutilon mosaic virus
  • AbN  antibody nitrogen
  • Abn, abn  abnormal; abnormality(ies)
  • ABNMP  alpha-benzyl-N-methyl phenethylamine
  • ABNO  anatomic abnormality [UMLS]
  • abnor  abnormal
  • ABO  abortion; absent bed occupancy; American Board of Orthodontists; blood group system consisting of groups A, AB, B, and O
  • ABOHN  American Board for Occupational Health Nurses
  • ABOMS  American Board of Oral and Maxillofacial Surgery
  • ABOP  American Board of Oral Pathology
  • Abor, abor  abortion
  • ABOS  American Board of Orthopaedic Surgery
  • ABOVE  Acute Bleeding Oesophageal Variceal Episodes [study]
  • ABP  actin-binding protein; acute biliary pancreatitis; ambulatory blood pressure; American Board of Pedodontics; American Board of Periodontology; American Board of Prosthodontists; aminobiphenyl; androgen-binding protein; antigen-binding protein; arterial blood pressure; automatic systolic blood pressure measurement; avidin-biotin peroxidase
  • aBP  arterial blood pressure
  • ABPA  actin-binding protein, autosomal form; allergic bronchopulmonary aspergillosis
  • ABPC  antibody-producing cell
  • ABPE  acute bovine pulmonary edema
  • ABPM  ambulatory blood pressure monitoring
  • ABPM&R  American Board of Physical Medicine and Rehabilitation
  • ABPS  American Board of Plastic Surgery
  • ABR  abortus Bang ring [test]; absolute bed rest; American Board of Radiology; arterial baroreflex; auditory brainstem response
  • ABr  agglutination test for brucellosis
  • Abr, Abras  abrasion
  • ABRV  Abras virus; Arbroath virus
  • ABS  abdominal surgery; acidic ammonium bisulfate; acute brain syndrome; Adaptive Behavior Scale; admitting blood sugar; adult bovine serum; aging brain syndrome; alkylbenzene sulfonate; aloin, belladonna, strychnine; American Board of Surgery; amniotic band sequence; amniotic band syndrome; anti-B serum; Antley-Bixler syndrome; arterial blood sample; at bed side; Australian Bureau of Statistics
  • Abs  absorption
  • abs  absent; absolute
  • AB-SAAP  autologous blood selective aortic arch perfusion
  • absc  abscess; abscissa
  • abs conf  absolute configuration
  • ABSe  ascending bladder septum
  • abs feb  while fever is absent
  • ABSITE  American Board of Surgery In-Training Examination
  • absorp  absorption
  • AbSR  abnormal skin reflex
  • abst, abstr  abstract
  • ABSV  Absettarov virus
  • ABT  abstract behavioral type; autologous blood transfusion; lopinavir
  • abt  about
  • ABU  asymptomatic bacteriuria
  • ABV  actinomycin D-bleomycin-vincristine; Agaricus bisporus virus; Aglaonema bacilliform virus; Aransas Bay virus; arthropod-borne virus
  • AbV  Agaricus bisporus virus
  • ABVD  Adriamycin, bleomycin, vinblastine, and dacarbazine
  • ABW  average body weight
  • ABX  abciximab; antibiotics
  • ABY  acid bismuth yeast [medium]
  • AbYV  Abutilon yellow virus
  • AC  abdominal circumference; abdominal compression; ablation catheter; abrupt closure; absorption coefficient; abuse case; acetate; acetylcholine; acidified complement; Acinetobacter calcoaceticus; acromioclavicular; activated charcoal; acupuncture clinic; acute; acute cholecystitis; adenocarcinoma; adenylate cyclase; adherent cell; adrenal cortex; adrenocorticoid; Adriamycin/cyclophosphamide; air chamber; air conditioning; air conduction; alcoholic cirrhosis; alternating current; alveolar crest; ambulatory care; anesthesia circuit; angiocellular; anodal closure; antecubital; anterior chamber; anterior column; anterior commissure; antibiotic concentrate; anticholinergic; anticoagulant; anticomplement; antiphlogistic corticoid; aortic closure; aortic compliance; aortocoronary; arm circumference; ascending colon; assist control [ventilation]; atriocarotid; autocorrelation; axiocervical; hydrogen cyanide [war gas]
  • A-C  acromioclavicular; adult-versus-child; aortocoronary bypass
  • A/C  albumin/coagulin [ratio]; anterior chamber of eye; assist control [ventilation]
  • A2C  apical two-chamber [view]
  • A4C  apical four-chamber [view]
  • Ac  accelerator [globulin]; acetate; acetyl; actinium; anticoagulant, anticoagulation; aortic closure; arabinosyl cytosine
  • aC  abcoulomb; arabinosyl cytosine
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