Articles: A
- Aa Ana
- Aachen
- Abadie's Sign
- Abano
- Abaransk Springs → see Transcaucasian Resorts
- Abasia-Astasia
- ABAS-TUMAN
- ABBATIA
- Abbe Camera Lucida
- Abbe Condenser
- Abbott's Method → see Scoliosis
- Abderhalden
- Abderhalden Reaction
- Abdomen
- Abdomen (a concept encompassing the representation of)
- Abdominal Cavity
- Abdominal Press
- Abdominal Reflexes
- Abdominal Wall
- Abdominoscopy
- Abducens Nerve
- Abductors → see Muscular System
- Abel Apparatus
- Aberration
- Abiogenesis
- Abiotrophy
- Abiuretic Products
- Ablepharia
- Abolitionism → see Prostitution
- Abomasum
- Aboral
- Abortifacient Substances
- Abortion
- Abortive
- Abracadabra
- Abrasion
- Abrastol
- Abraxas
- Abrikosov, Alexei Ivanovich
- Abrus Precatorius L
- Abscess
- Absence
- Absinthe
- Absinthin → see Wormwood
- Absolute Pitch
- Absolute Stiffness Measurer for X-Rays
- Absolute System of Units
- Absolute Temperature
- Absorbing Well
- Absorption
- Abstinence (a3123)
- Abstinence (a490)
- Abstract Law of Population → see Population (population)
- Abstraction
- ABULIA
- Abyssinian Powder
- Abyssinian Well
- Acacia
- Academy of Sciences of the USSR
- Acalculia
- Acanthocephala
- ACANTHOMA
- Acanthosis Nigricans
- Acapnia
- Acardius
- Acarinae
- Acatalepsy
- Acatamathesia
- Acataphasia
- Accent
- Acceptors
- Accessory Organs
- Acclimatization
- Accommodation of Microbes
- Accouchement Force
- Accumulators
- Acervulus Cerebralis
- Acetaldehyde
- Acetates
- Acetic Acid
- Acetoacetic Acid
- Acetone
- Acetone Bodies
- Acetonemia
- Acetonuria
- Acetophenone
- Acetopyrin
- Acetozon
- Acetylene
- Achaluki Springs
- Achard Test
- Acheilia
- Achillea Millefolium
- Achilles Reflex
- Achilles Tendon
- Achillini
- Achillotomy
- Achiria → see Amelia
- Acholia
- Acholuric Jaundice
- Achondroplasia
- Achor
- Achorion Remak
- Achromaticus
- Achromatin
- Achromatism
- Achromatopsia → see Color Vision
- Achromia
- Achylia Gastrica
- Achylia Pancreatica
- Acid Anhydrides
- Acid Production
- Acid-Butyrometry
- Acidimetry → see Alkalimetry
- Acidity
- Acidol
- Acidophilia
- Acidosis
- Acids
- Acinus
- Acitrin
- Acme
- Acne
- Acognosia
- Acoin
- Aconite
- Acormus
- Acorn Coffee
- Acoustics
- Acrania (z33)
- Acrania (z884)
- Acratherms
- Acridine
- Acroasphyxia
- Acrobatics
- Acrocephaly
- Acrochordon → see Molluscum Contagiosum
- Acrocoma
- Acrodermatitis
- Acrodynia
- Acrolein
- Acromegaly
- Acromicria
- Acroparesthesia
- Actiniae
- Actinic Rays
- Actinium
- Actinometry
- Actinomycosis
- Activated Charcoal
- Activated Sludge
- Activation
- Activators
- Active Attention
- Active Hydrogen → see Oxidative Processes
- Active Immunity → see Immunity
- Active Immunization
- Active Reaction
- Actol → see Silver
- Acumeter
- Acupuncture
- Acusalgia
- Acute Ataxia
- Acute Rheumatism
- Acute Vulvar Ulcer
- Acute Yellow Atrophy of the Liver
- Acyclic Compounds → see Aliphatic Compounds
- Acykal
- Ad Chartam Ceratam
- Ad Libitum
- Ad Scat.
- Ad Usum Externum
- Ad Vitrum Amplum
- Adalin
- Adamantinoma
- Adamantoma
- Adamkiewicz Reaction
- Adam's Apple
- Adams-Stokes Syndrome
- Adaptation (a2430)
- Adaptation (a3136)
- Adaptometer
- Add
- Addison's Disease
- Additive Disorders of Mental Functions
- Adductor Reflex
- Adductors → see Muscular System
- Adenia
- Adenine → see Purine Bases
- Adenitis
- Adenocarcinoma → see Adenoma
- Adenocarcinoma → see Cancer
- Adenoglioma → see Glioma
- Adenoid Tissue
- Adenoids
- Adenolymphoma
- Adenoma
- Adenoma Sebaceum
- Adenoma Sudoriferum
- Adenomorphic Cells
- Adenomyoma
- Adenopathy
- Adenosarcoma → see Sarcoma
- Adenotome → see Adenoids
- Adentia
- Adequate Stimulus → see Irritation
- Adhesive Process
- Adiabatic Processes
- Adiadochokinesia
- Adipocere
- Adiposalgia
- Adipose Tissue
- Adiposir → see Adipocere
- Adipsia
- Adjective Staining → see Histological Technique
- Adler Reaction on Blood Pigment
- Adler's Theory
- Adonis Vernalis
- Adoral
- Adrenal Glands
- Adrenal System → see Chromaffin System
- Adrenaline
- Adrenalinemia
- Adrien Bayet
- Adsorption
- Adventitia → see Blood Vessels (525)
- ADYNAMIA
- Aedes
- Aeq.
- Aerating the Ear
- Aeration
- Aerobes
- Aeroneurosis → see Neuroses
- Aeroperitoneum
- Aerophagia
- Aerophiles
- Aerophobia
- Aerotank → see Aeration
- Aerotaxis
- Aerotherapy
- AFANASIEV
- Afebrile
- Afenil
- Affect
- Affection
- Affective Epilepsy
- Affective Psychoses
- Affective Sphere
- Affective Stupor
- Affective Thinking
- Afferent
- Affinity
- African Trypanosomiasis
- Aga
- Agalactia
- Agamofilariae
- Agamogony
- Agapurin
- Agar-Agar
- Agaricus Albus
- Agave
- Age
- Age and Sex Composition of the Population
- Age Categories
- Age Crises
- Agenesia of the Central Nervous System
- Agenesis
- Agglomeration
- Agglutinating Sera
- Agglutination
- Aggravation
- Aggregate
- Aggregate State
- Aggressins
- Aggressiveness
- Aginsk Spring → see Transbaikal Resorts
- Agitated State
- Aglobulia
- Aglossia
- Aglyphodonta
- Agnathia
- Agnosia
- Agonists → see Movements
- Agony
- Agoraphobia
- agrammatism
- Agranular Area of the Cerebral Cortex
- Agranulocyte
- Agranulocytosis
- Agraphia
- Agricultural Labor
- Agrimonia Eupatoria L.
- Agrypnia → see Insomnia
- Agurin
- Agyria
- Ahlfeld's Maneuver → see Third Stage of Labor
- Ahq
- Aidoiomania
- Ainhum
- Ai-Petri → see Crimean Resorts
- Air
- Air Defense
- Air Sacs
- Air Transmission
- Air Tumor
- Airidzhan Springs → see Transcaucasian Resorts
- Airol
- Aishkhinsk Springs → see Black Sea Coast
- Aitken's Nometer
- Ajaccio
- Ajuga
- Akamushi
- Akathisia
- Akhaltsikhe Springs → see Transcaucasian Resorts
- AKHSHARUMOV
- Akhtala Spring and Mud → see Transcaucasian Resorts
- Akhtinsk Springs → see North Caucasian Resorts
- Akinesia
- Akinesic Apraxia
- Akrabadin
- Akrokinesia
- Aksakovo → see Kumisotherapy
- Aksenovo → see Kumisotherapy
- Aksu Springs → see Central Asian Resorts
- Ala Cinerea
- Alagir Springs → see North Caucasian Resorts
- Alakul Spring
- Alanine
- Alastrim
- Alay Spring → see Central Asian Resorts
- Albargin → see Silver
- Albarran
- Albaspidin → see Fern
- Albee Operation → see Spondylitis
- Albert 102
- Albert Calmette
- Albert Neisser
- Albinism
- Albinus
- Albrecht
- Albuginitis
- Albuminates
- Albuminoids
- Albuminometer
- Albumins
- Albuminuria
- Albumoses
- Albumosuria
- Alchemy
- Alcohol Oxidase
- Alcoholimeter → see Alcoholometer
- Alcoholism
- Alcoholometer
- Alcohols
- Aldehydase → see Oxidoreductases
- Aldehydes
- ALDOLS
- Aldoses
- Aleksandr Kisel
- Aleksandr Reprev
- Alekseyev Springs → see Central District Resorts
- Alenguy Spring → see Transbaikal Resorts
- Aleppo Boil and Flour Mite
- Aleshkovskoye Lake → see Mud Treatment Areas
- Aleukemia
- Aleuronat
- Alexander Babukhin
- Alexander Ivanovich Yarotsky
- Alexander Nikolayevich Rakhmanov
- Alexander Petrov
- Alexander Vladimirov
- Alexander-Adams Operation
- Alexandrian Leaf
- Alexei Pospelov
- Alexey Dobroslavin
- Alexia
- Alexin
- Aleyrometer
- Alfred Blaschko
- Alfred Grotjahn
- Alga Carrageen
- Algae
- Algesimeter
- Algia
- Algochronometer
- Algolagnia
- Algology
- Algospasm
- Alibert
- Alibert's Keloid → see Scleroderma
- Alicyclic Compounds
- Alimentary
- Alimony
- Aliphatic Compounds
- Alizarin Dyes
- Alkalimetry
- Alkalis
- Alkaliuria
- Alkaloids
- Alkalosis
- Alkanna
- Alkaptonuria
- Alkino → see Kumisotherapy
- Alkoxides
- Alkyls
- Allantoin
- Allantois
- Allegorization of Sensations
- Allelomorphs
- Allergy
- Allin Spring → see Transbaikal Resorts
- Allium sativum L.
- Allochiria
- Allocortex
- Allokinetic Movements
- Alloparalgesia
- Allopathy
- Alloplasm
- Alloplasty → see Heteroplasty
- ALLOPO
- Allopsychoses
- Allosomes
- Allotriophagy
- Allotropy
- Alloys
- All-Union Institute of Experimental Medicine
- Alluvium
- Allyl
- Almaty Springs → see Central Asian Resorts
- Almkvist, Johann Reinhold
- Almond
- Aloe
- Aloin Test
- Alois Alzheimer
- Alopecia
- Alpan Springs → see Transcaucasian Resorts
- Alpha Rays
- Alphascop
- Alphonse Laveran
- Alpine Meadows
- Alpine Race → see Races
- Alt → see Voice
- Alteration
- Alternating Personality
- Alternating Syndromes
- Alternative Inheritance
- Alternative Method
- Alternators
- Altman Methods
- Altmann, Richard
- Altmann's Granulation
- Altmann-Schridde Granulation
- Alum
- Aluminium
- Aluminum Acetate
- Aluminum Filter
- Alumnol → see Aluminium
- Alupka
- Alushta
- Alvar Gullstrand
- Alveolar Abscess
- Alveolar Margin
- Alveolar Pyorrhea
- Alveolotomy
- Alveolus
- Alypin
- Alytes obstetricans
- Alzheimer's Disease
- Alzheimer's Stains
- Alzol → see Aluminium
- Amalgams, Amanita Phalloides, and Jules Amar
- Amastia
- Amaurosis
- Amaurotic Cat's Eye
- Amaurotic Dementia
- Amaurotic Family Idiocy
- Ambard's Constant
- Ambergris
- Ambidexterity
- Ambiguous Nucleus
- Ambivalence
- Amblyomma hebraeum
- Amblyopia
- Amblyoscope
- Amblystoma
- Amboceptor
- Ambodik
- Ambroise Paré
- Ambulatory
- Ambulatory Care
- Amebocyte
- Amelia
- Amélie-les-Bains
- Ameloblast
- Amenomania
- Amenorrhea
- Amentia
- American Filters
- Ametropia
- Amici Prism
- Amidases
- Amides
- Amimia
- Amines
- Amino Acids
- Aminosugars
- Amiostatic Symptonom-Complex
- Amirajibi
- Amitosis
- Ammeter
- Ammonia
- Ammonia Nitrogen
- Ammonia Spirit
- Ammoniacum
- Ammonium
- Ammonium Anisate Drops
- Amnesia
- Amnesin
- Amnion
- Amniotes
- Amniotic Fluid
- Amniotic Fluid (The amniotic fluid contains 240 currents of)
- Amniotic Threads
- Amoebas
- Amoeboid Movements
- Amok
- Amorphous
- Amorphus
- Ampere
- Ampère, André
- Amphibians
- Amphiblastula
- Amphigony
- Amphimixis
- Amphioxus
- Amphipyrenin
- Amphitricha
- Ampholytes
- Amphophilic Granules
- Amphoric Respiration
- Amphorophony
- Amphoteric Reaction
- Amplitude
- Ampoule and Ampullitis
- Amputation
- Amulet
- Amusia
- Amyelia
- Amygdala
- Amygdalin
- Amygdalitis
- Amyl Acetate
- Amyl Alcohol
- Amyl Nitrite
- Amylase
- Amylenhydrate
- Amyloform
- Amyloid
- Amyloid Bodies
- Amyloid Degeneration
- Amyloid of the Eye
- Amyotaxia
- Amyotrophic Lateral Sclerosis
- Amyotrophy
- Anabiosis
- Anabolism
- Anaciditas
- Anacroasia
- Anaerobes
- Anaerobiosis
- Anaesthesia Dolorosa
- Anagyris
- Anal Eroticism
- Analgesia
- Analgesics
- Analogous Organs
- Analyses
- Analytical Chemistry
- Analytical Psychology
- Analyzer
- Anamnesis
- ANAPA
- Anaphoresis
- Anaphrodisiacs
- Anaphylaxis
- Anaplasma
- Anaplerosis of the Orbit
- Anarthria
- Anasarca
- Anastigmat
- Anastomoses
- Anatagraphia
- Anatomical Instrumentarium
- Anatomical Preparations
- Anatomical Theaters
- Anatomy
- Anatomy Set
- Anatoxin
- Ancel-Bouin Theory
- Ancistrodon
- Ancylostoma
- Andreanopol Springs
- Androgenic Eggs
- Androgyny
- Andrology
- Andromania
- Androphobia
- Anelectrotonus → see Electrotonus
- Anelia Spritz
- Anemia
- Anemometer
- Anencephaly
- Anéosinophilia
- Anergy
- Anerytropsia → see Color Vision
- Anesthesia
- ANESTHESIN
- Anesthetic Agents
- Anetoderma Erythematosa Jadas-Sohni
- Aneurysm
- Anfimov
- Angiectasia
- Angina
- Angina Pectoris
- Angioblast
- Angiokeratoma
- Angiology
- Angioma
- Angiomalacia
- Angioneuroses
- Angioneurotic Edema
- Angiostoma
- Angiotripsy and Angiotrophoneuroses
- Angle
- Angophrasia
- Angostura Bark
- Angstrom
- Anguillulidae
- Angulus Infectiosus
- Anhidrosis
- Anhydremia
- Anichkov
- Anilinblau
- Aniline
- Aniline Water
- Animal Electricity
- Animal Gum
- Animal Migration
- Animal Pole
- Animal Training
- Animals
- Animism
- Anion
- Aniridia
- Anise
- Anisocytosis
- Anisolabis Annulipes
- Anisotropy
- Ankle Joint
- Ankyloblepharon
- Ankylosis
- Annelid Worms
- Annenskiye Springs
- Annulus
- Anobiidae
- Anode
- Anomaloscope
- Anomaly
- Anonychia
- Anonymia
- Anonymous of the Palatinate
- Anonymous Vein
- Anopheles
- Anoplocephalosis
- Anorchism
- Anorexia
- Anoria
- Anosmia
- Anosognosia
- Anotia
- Anovaria
- Anoxemia
- Ansa
- Antagonism
- Antagonistic Innervation
- Antagonistic Reflexes
- Antagonists → see Movements
- Anteflexion of the Uterus
- Antenatal Protection of Infancy
- Antepositio Uteri
- Anteversion of the Uterus
- Antheaume
- Anthelmintics
- Anthelm's Instrument
- Anthony's Fire
- Anthracosis
- Anthraquinone
- Anthrarobin
- Anthrasol
- Anthrophores
- Anthropogenesis
- Anthropogeography
- Anthropoids
- Anthropological Investigation of Criminals
- Anthropology
- Anthropometry
- Anthropomorphism
- Anthropophagy
- Anthropophobia
- Antiasmatica
- Antibodies
- Antichlor
- Anticline
- Anticoagulating Substances
- Antidiarrhoeals
- Antidotes
- Antidotes → see Poisoning
- Antidotes and Protistology
- Antidromic Conduction
- Antiemetics
- Antifebrin
- Antiferments
- Antigens
- Antikathode
- Antikenotoxin → see KENOTOXIN
- Antimeres
- Antimony
- Antimosan
- Antipepsin
- Antipeptone
- Antiperistalsis
- Antiphagin
- Antiplanat
- Antipyretica
- Antipyrine
- Antirabic Vaccinations → see Rabies
- Antisclerosin
- Antisepsis and Asepsis
- Antiseptics
- Antithrombin
- Antithyreoidin
- Antitoxins
- Antitrypsin
- Antivirus
- Antoine Laurent Jessé Bayle
- Antonin Poncet
- Ants
- Anuclear Organisms
- Anuria
- Anus
- Anusol
- Aolan
- Aortic Aneurysm
- Aortic Heart
- Aortic Stenosis → see Heart Defects
- Apachinsk Springs → see Kamchatka Resorts
- Aparathyreosis
- Apathy
- Apenta
- Apepsia
- Aperitol
- Apertometer
- Apertura
- Aperture
- Apex Apparatus
- Aphagia
- Aphakia
- Aphalgesia
- Aphasia
- Aphemia
- Aphonia
- Aphrademia
- Aphrasia
- Aphrodisiacs
- Aphthae
- Aphthongia
- Aphylaxis
- Apical
- Apinealism
- Apiol
- Apituitarism
- Aplanat
- Aplasia → see Agenesis
- Aplasia Axialis Extracorticalis Congenita
- Apnea
- Apneumia
- Apochromat
- Apocodein Hydrochloride
- Apocrine Glands
- Apocynum Cannabinum L.
- Apodemia-algia
- Apodia → see Amelia
- Apollinaris
- Apomixis
- Apomorphine
- Aponeurosis
- Apophysis
- Apoplexy
- Apostematous
- Apostematous Nephritis
- Apostoli Condenser Bed
- Apothecary Weight
- Apparatus
- Appendicitis
- Appendicostomy
- Appendix
- Apperception
- Appersonisation
- Appetite
- Applanation Of The Cornea
- Application of Rectangular and Sector Diagrams
- Appositional Growth
- Appretura (Textile Finishing) and Apraxia
- Aprosexia
- Apselaphesia
- Apsheron Peninsula
- Apsithyria
- Apsychia
- ApTekman
- Aptyalism → see Xerostomia
- Apyrexia
- Aq
- Aqueduct
- Arabic Gum
- Arachnida
- Arachnodactyly
- Arachnoidea
- Arak
- Aran-Duchenne Hand
- ARANZI
- Arasan-Bulak
- Arasan-Kopal Springs → see Central Asian Resorts
- Arbor Vitae
- Arbutin → see Bearberry
- Arcachon
- Arcana
- Archencephalon
- Archenteron
- Archimedes' Principle
- Archipallium
- Archistriatum
- ARCHITECTONICS OF THE CEREBRAL CORTEX
- Archoplasm
- Arcus
- Arcus Senilis
- Area
- Area Embryonalis
- Arecoline
- Areflexia
- Arenia
- ARENSBURG
- Argasidae
- ARGININE
- Arginine → see Silver
- Argochrome → see Silver
- Argoflavin → see Trypaflavin
- Argon
- Argyll Robertson Symptom
- Argyria
- Argyrol → see Silver
- Arion
- Aristochin
- Aristotle
- Arithmomania
- Arithmometer
- Arkady Rubel
- Arndt-Schulz Law
- Arnica
- Arning
- Arnold, Friedrich
- Arnol'dov
- Aromatic Compounds
- Aromatic Tincture
- Aromatic Waters
- Arosa
- Arovine
- Arrack
- Arrector Pili
- Arrestment
- Arrhenal → see Arsenic
- Arrhenidia
- Arrhenius
- Arrosion
- Arrow-Root
- Arsacetin → see Arsenic
- Arsenic
- Arsenmelanosis → see Arsenic
- Arsine
- Arsines
- Artemisia
- Arterial Pressure → see Blood Pressure
- Arteriectasia
- Arterioma
- Arteriosclerosis
- Arteriotomy
- Arteritis
- Artery
- Artesian Waters
- Artesian Well
- Arthralgia
- Arthrectomy → see Joints
- Arthritis
- Arthritism
- Arthrodesis
- Arthrodynia
- Arthrolysis → see Arthroplasty
- Arthropathy
- Arthroplasty
- Arthropoda
- Arthrotomy
- Arthus Phenomenon → see Anaphylaxis
- Articular Menisci
- ARTICULATION
- Articulator
- Artifact
- Artificial Eye
- Artificial Feeding
- Artificial Insemination
- Artificial Respiration
- Artigon
- Arum Maculatum
- Arzberger's Apparatus
- Arzni Spring → see Transcaucasian Resorts
- Asa Foetida
- Asaprol → see Abrastol
- Asbestos
- Asbestos Clothing
- Ascarids
- Ascetic
- Aschner Phenomenon
- Aschoff
- Ascites
- Asclepiads
- Asclepius
- Ascoli-Valenti Reaction
- Ascomycetes
- Asemia
- Asexual Reproduction
- Asexuality
- Asiatic Cholera → see Cholera (278 Geographical Distribution and)
- Askanazy
- Askania-Nova
- Asocial Children
- Asopia Farinalis L
- Asp
- Aspartic Acid
- Aspergillus
- Asperitas Unguium
- Aspermia
- Asperula odorata L.
- Asphalt
- Asphalt Varnish
- Aspheric Lenses
- Asphodel
- Asphyxia Localis Symmetrica
- Aspirant → see Medical Education
- Aspiration
- Aspiration Method
- Aspiration Pneumonia → see Pneumonia
- Aspiration Puncture
- Aspiration System → see Ventilation
- Aspirators
- Aspirin
- Assam Fever → see Kala-Azar
- Assendelft
- Assern → see Riga Seashore
- Asse-Tyube → see Central District Resorts
- Assimilation
- Assimilation in Psychology
- Assistant
- Assmann Symptom
- Association
- Association Centers
- Association Fibers
- Associationism
- Associative Experiment
- Associative Readiness
- Astasia-Abasia → see Abasia-Astasia
- ASTEATOSIS
- Astenomania
- Asthenia
- Asthenic Bulbar Paralysis → see Myasthenia
- Asthenic Confusion
- Asthenopia
- Asthenospermia
- Asthma
- Asthmolysin
- Astigmatism Of The Eye
- Astomia
- Astragalus
- Astrakhan
- Astringents
- Astrocytes
- Astrocytoma
- Astrosphere
- Astvatsaturov
- Aswan
- Asymbolia
- Asymmetric Carbon
- Asymmetric Synthesis
- Asymmetry
- Asynclitic Presentation
- ASYNERGIA
- At Ease Position
- Atavism
- Ataxia
- Atelectasis
- Atelomyelia and Ateloprosopia
- Atheroma
- Atheromatosis
- Atherosclerosis → see Arteriosclerosis
- Athetosis
- Athletic Type
- Athletics
- Athyreosis
- Atlas
- Atmosphere
- Atmospheric Electricity
- Atmospheric Precipitation
- Atom
- Atomic Nucleus
- Atomic Weight
- Atomicity → see Valence
- Atony
- Atophan
- Atophanyl
- Atoxil
- Atremia
- Atresia (z1589)
- Atresia (z1591)
- Atrial Fibrillation
- Atrichosis → see Alopecia
- Atrioventricular Bundle
- Atrioventricular Opening → see Heart
- Atrophoderma
- Atrophy
- Atropine
- Atropine Catarrh
- Attagenus Pellio
- Attention
- Attonitas
- Attraction Theory → see Inflammation
- Atwater
- Atypical Growth and Structure
- Atzler
- Audiometer and Auditorium
- Audiophone
- Auditory Pathways
- Auer Burners → see Burners
- Aura
- Auripigment
- Auscultation
- Autan
- Autenrieth Colorimeter
- Autism
- Autoblasts
- Autochthonous
- Autochthonous Ideas
- Autoclave
- Autodigestion
- Autoeroticism
- Autofocus Tube
- Autogamy
- Autogenous Welding
- Autohemotherapy
- Autoimmunization
- Autoinfection
- Autoinoculation
- Autointoxication
- Autokinetic Movements
- Autolaryngoscopy
- Autolysis
- Automatic Clock
- Automatic Perception → see PERCEPTION (the name of one of the basic mental processes)
- Automatism
- Automobile Exhaust
- Autonduction
- Autonephrectomy
- Autonephrolysine
- Autonomous Growth
- Autopiotherapy
- Autoplasty
- Autopsy
- Autopsy Instruments
- Autopsy Protocol
- Autopsy Report → see Autopsy
- Auto-Sanitary Transport → see Sanitary Transport
- Autoscopy
- Autoserotherapy
- Autosomes
- Autosputum Therapy
- Autosuggestion
- Autotomy
- Autotopagnosia
- Autotransfusion
- Autotrophic Plants
- Autovaccine
- Autoxidation
- Autumn Crocus
- Avellis Syndrome
- Averin Tea
- Averin's Ointment
- Avertin
- Aviation Hygiene
- Aviation Sanitary Service
- Avicenna
- Avidity
- Avitaminoses
- Avksenty Vasilyevich Korchak-Chepurkovsky
- Avogadro's Law
- Avulsion of the Eyeball
- Axenfeld
- Axillary Artery
- Axillary Fossa
- Axolotl
- Axon
- Axonometer
- Axoplasm
- Axostyle
- Ayran
- Ayub Springs → see Central Asian Resorts
- Azo Dyes
- Azoospermia
- Azotemia → see UREMIA
- Azure
- Azurophilia
- Azygos Vena