Article Titles A–Z- a
- A20
- A6
- AAA Protein
- Aarskog Syndrome (Aarskog-Scott Syndrome)
- AATAAA
- AATDB
- AAUAAA
- ABA (Abscisic Acid, 3-Methyl-5-[1¢-Hydroxy-4¢-Oxo-2¢-Cyclyhexen-1¢-Yl]-Cis-2,4-Pentadienoic Acid)
- Abasic Site
- Abaxial
- ABCD Model
- ABC Excinuclease
- ABC Transporters
- Abdomen in Drosophila
- Abelson Murine Leukemia Virus Oncogene (abl)
- Aberrant Genetic Ratio
- Abetalipoproteinemia (Microsomal Triglyceride Transfer Protein Deficiency, 4q22-q24)
- Abf
- ABF-1
- ABH Antigens
- Ab Initio
- Abiogenesis
- ABL
- Abl
- Ablation
- ABO Blood Group
- Aborigine
- Abortion, Medical
- Abortion, Spontaneous
- Abortive Infection
- Abortive Transduction
- A Box
- Abrin
- Abrine
- Abscisic Acid
- Abscission Zone
- Absinthe
- Absolute Dating
- Absolute Linkage
- Absolute Weight
- Absorption
- Absorption Spectrum
- Abundance
- Abundant mRNAs
- Abzymes
- Acanthosis Nigricans
- AcAP
- Acatalasemia (CAT, 11p13)
- Acatalasia
- ACC (1-Aminocyclopropane-1-Carboxylic Acid)
- Accelerator Mass Spectrometry (AMS)
- Acceptor Splicing Site
- Acceptor Stem
- Accessibility
- Accession Number
- Accessory Cells (Companion Cells)
- Accessory DNA
- Accessory Gland
- Accessory Pigments
- Accessory Proteins
- Accessory Sexual Characters
- Access Time
- Accuracy
- Ac-Ds (Activator-Dissociator)
- ACE
- ACEDB
- Acenaphthene
- Acentric Fragment
- Aceruloplasminemia (3q23-q24)
- Acervulus
- ACESIMS
- Acetabularia
- Acetonitrile (Methyl Cyanide)
- Acetosyringone
- Acetylation
- Acetylcholine (Mr 149)
- Acetylcholine Receptors
- Acetylcholinesterase (ACHE)
- Acetyl-CoA (Acetyl Coenzyme A, ACoA)
- Acetyl-CoA Carboxylase Deficiency (ACAC)
- Acetylglutamate Synthetase Deficiency
- Acetyl Group
- Achaete-Scute Complex
- Achalasia-Addisonianism-Alacrima Syndrome (AAA, 12q13)
- Acheiropodia
- Achene
- Achiasmate
- Achilles' Heel Technique
- Achondrogenesis
- Achondroplasia (ACH)
- Achromatic
- Achromatopsia
- A Chromosome
- Acid-Base Catalysis
- Acid Blob
- Acid Fuchsin
- Acidic Dye
- Acid Maltase Deficiency
- Acidosis
- Acid Phosphatase
- Acid Sensing
- Acinar Cells
- ACINUS
- AcMNPV (Autographa californica Nuclear Polyhedrosis Virus)
- Acne
- Aconitase
- Acquired
- Acquired Characters, Inheritance of
- Acquired Immunity (Adaptive Immunity)
- Acquired Immunodeficiency Syndrome (AIDS)
- Acridine Dyes
- Acrocentric Chromosome
- Acrodermatitis Enteropathica (8q24.3)
- Acrodysostosis
- Acromegaly
- Acropetal
- Acrosomal Process
- Acrosyndesis
- Acrylaldehyde
- Acrylamide
- ACT
- ACTH
- Actin
- Actin Contractile Ring
- Actinin, (Mr 120 K)
- Actinomorphic
- Actinomycetes
- Actinomycin D
- Action Potential
- Action Spectrum
- Activation Analysis
- Activation Energy
- Activation of Mutagens
- Activation Tagging
- Activator
- Activator Proteins
- Active Site
- Active Telomeric Expression Site
- Active Transport
- Activin
- Activity-Based Protein Profiling
- Activity Coefficient
- Actomyosin
- Acuminate
- Acute Transforming Retrovirus
- Acylation
- Acyl-CoA Dehydrogenase Deficiency (ACAD)
- Acylcyclohexanedione
- Acyl Group (Boxed)
- Ad5 E1B
- ADA
- Adactyly
- ADAM (A Disintegrin and Metalloprotease)
- ADAM Complex
- Adams-Oliver Syndrome
- Adaptation
- Adaptins (AP-1, AP-2, AP-3)
- Adaptive Amplification
- Adaptive Convergence
- Adaptive Enzyme
- Adaptive Evolution
- Adaptive Immunity
- Adaptive Landscape
- Adaptive Mutation
- Adaptive Peak
- Adaptive Radiation
- Adaptive Response
- Adaptor
- Adaptor Proteins
- ADAR
- ADCC
- Addiction
- Addiction Module
- Addison Disease (Adrenocortical Hypofunction, Xq28)
- Addison-Schilder Disease
- Addition Line
- Additive Effect
- Additive Gene
- Additive Variance
- Additivity of Genetic Maps
- Adducin
- Adduct
- Adelphogamy
- Adenine
- Adenine Phosphoribosyltransferase (APRT, 16q24.3)
- Adeno-Associated Virus (AAV)
- Adenocarcinoma
- Adenoma
- Adenomatosis, Endocrine, Multiple (MEN)
- Adenosine
- Adenosine 3¢,5¢ Cyclic Monophosphate (cAMP)
- Adenosine Deaminase (ADA)
- Adenosine Deaminase Deficiency (ADA Deficiency)
- Adenosine Monophosphate Deaminase (AMPD1, 1p21-p13)
- Adenosine Receptors
- Adenovirus
- Adenylate
- Adenylate Cyclase (Adenylyl Cyclase)
- Adenylate Kinase Deficiency (AK1)
- Adenylic Acid
- Adenylosuccinase Deficiency (Adenylosuccinate Lyase, ADSL, 22q13.1)
- Adenylylation
- ADEPT
- ADH
- adh–
- Adherence Reaction
- Adherens Junction
- Adherin
- Adhesion
- Adhesion Belt
- Adhesion Plaque (Focal Contact)
- Adipocere (Grave Wax)
- Adipocyte
- Adiponectin
- Adipose
- Adjacent Disjunction
- Adjuvant, Immunological
- Admixture in Populations
- aDNA
- AdoMet
- Adopted Children
- Adoptive Cellular Therapy
- ADP
- Adr
- Adrenal
- Adrenal Hyperplasia, Congenital (CAH)
- Adrenal Hypoplasia, Congenital (AHC)
- Adrenergic Receptors
- Adrenocortical
- Adrenodoxin
- Adrenomedullin
- Adrenonoleukodystrophy (ALD, Addison Disease, Xq28)
- Adrogenital Syndrome
- Adsorption
- Advantageous Mutations
- Adventitia
- Adventive Embryos
- Aecidiospore
- Aecidium
- Aedes egypti
- Aegilops caudata
- Aegricorpus
- Aequorin (GFP)
- AER
- Aerobe
- Aerobic
- AF
- Affected Individual
- Affected-Sib-Pair Method
- Affective Disorder
- Afferent
- Affine Gap Cost
- Affinity
- Affinity Chromatography
- Affinity-Directed Mass Spectrometry
- Affinity Labeling
- Affinity Maturation
- Affinity Purification
- AFI
- Afibrinogenemia
- Aflatoxins
- AFLP
- African Green Monkey (Cercopithecus aethiops)
- Agameon
- Agamic
- Agammaglobulinemia
- Agamospecies
- Agamospermy
- Aganglionosis
- Agar
- Agarose
- Agave (Sisal)
- AGE
- Age
- Age and Mutation in Human Populations
- Age Correlation between Mates
- Agent Orange (Cl3C6H2OCH2COOH)
- Age of Onset of Disease
- Age of Parents and Secondary Sex Ratio
- Age-Specific Birth and Death Rates
- AGGA Box
- Agglutination
- Agglutinin
- Aggrecan
- Aggregation
- Aggregation, Familial
- Aggregation Chimera
- Aggregulon
- Aggresome
- Aggression
- Aggressiveness
- Aging
- Aglycon
- Agonadism, Familial
- Agonist
- Agonistic Behavior
- Agouti
- Agretope
- Agricultural Productivity
- Agrin
- Agrobacterium Mini-Plasmid
- Agrobacterium rhizogenes
- Agrobacterium tumefaciens
- Agrocinopine
- Agroinfection
- Agropine
- Agropyron (x = 7)
- AGRP
- Ahonen Blood Group
- AIB
- Aicardi-Goutiéres Syndrome (3p21)
- AID
- AIF
- AIG
- AIH
- AIMS
- AIR
- AKAP
- AKI
- A-Kinase
- AKR Mice
- Akt Oncogene (PKB, Serine/Threonine Protein Kinase B)
- ALA
- Aladin (AAAS, Triple-A Syndrome)
- Alagille Syndrome
- Alanine
- Alanine Aminotransferase (Glutamate-Pyruvate Transaminase, GPT)
- Alaninuria (with Microcephaly, Dwarfism, Enamel Hypoplasia, and Diabetes Mellitus)
- Albinism
- Albino
- Albizzin (L-2-Amino-Ureidopropionic Acid)
- Albomaculata (or Status Albomaculatus)
- Albright Hereditary Osteodystrophy (Pseudohypoparathyroidism, PHP1A, PHP1B, 20q13.2)
- Albumin
- Alcohol
- Alcohol Fermentation
- Alcoholism
- Aldehyde Dehydrogenase (ALDH, Acetaldehyde Dehydrogenase)
- Aldolase-1 (Fructose-1,6-Bisphosphate Aldolase)
- Aldose
- Aldosterone (18-Aldo-Corticosterone)
- Aldosteronism (Hyperaldosteronism, Glucocorticoid-Remediable Aldosteronism [GRA])
- Aleuron
- Alexander's Disease
- Alfalfa (Medicago sativa)
- Alfalfa Mosaic Virus
- Alga
- Algeny
- Alginate
- ALGOL
- Algorithm
- Alien Addition
- Alien Substitution
- Alien Transfer Lines
- AlignACE
- AlignMaker
- Alignment
- Alkaline Chromatography
- Alkaline Lysis
- Alkaline Phosphatase
- Alkaloids
- Alkalosis
- Alkane
- Alkaptonuria (Alcaptonuria, AKU)
- Alkene
- Alklyltransferase
- Alkylating Agent
- Alkylation
- Allantois
- Allegro
- Allele
- Allele-Sharing Methods
- Allele-Specific Probe for Mutation (ASP)
- Allelic Combination
- Allelic Complementation
- Allelic Dropout
- Allelic Exclusion
- Allelic Fixation
- Allelic Frequency
- Allelic Recombination
- Allelic Rescue
- Allelism Test
- Allelomorph
- Allelotyping
- Allergen
- Allergy
- Alligator
- Allium (onion, garlic)
- Alloantibody (Isoantibody)
- Alloantigen
- Alloantisera
- Allocatalasia
- Allocation
- Allochronic Species
- Allocycly
- Allodiploid
- Allogamous
- Allogamy
- Allogeneic
- Allogeneic Inhibition
- Allogenic
- Allograft
- Allohaploid
- Allolactose
- Allometric Development
- Allometry
- Allomixis
- Allopatric Speciation
- Allophenic
- Allophycocyanin
- Alloplasmic
- Allopolyploid
- Allopolyploid, Segmental
- Alloproteins
- Allopurinol (Hydroxypyrazole Pyrimidine)
- Alloreactive (Allorestrictive)
- All-or-None Trait
- Allospecific
- Allostatin
- Allosteric Control
- Allosteric Effector
- Allostery
- Allosyndesis
- Allotopic Expression
- Allotype
- Allozygote
- Allozyme
- All-Walking Approach
- Allyl Alcohol
- Almond (Prunus amygdalus)
- Alopecia
- Alpers Progressive Infantile Poliodystrophy
- Alpert Disease (AFP)
- Alpert Syndrome
- Alpha Accessoryc Factor
- Alpha Amanitin
- Alpha Complex
- Alpha Helix
- Alpha Lactose
- Alphameric
- Alphanumeric
- Alpha Parameter
- Alpha Particles
- Alpha Satellite
- Alpha-Satellite DNA
- Alpha Tocopherol (Vitamin E)
- Alphavirus
- Alport's Disease
- ALPS-1, ALPS-2
- Alström Syndrome
- ALT
- AlterMap
- Alternate Disjunction
- Alternation of Generations
- Alternative Splicing
- Altruistic Behavior
- Alu-Equivalent
- Alu Family
- Aluminum Tolerance
- Alzheimer Disease (AD, FAD)
- Amacrine Cell
- Amaranth
- Amatoxin
- Amauris
- Amaurosis Congenita (Leber Congenital Amaurosis, LCA)
- Amaurotic Familial Idiocy (AFI)
- Amber
- Amber Mutation
- Amber Suppressor
- Ambient Signal
- Ambiguity in Translation (Mistranslation, Miscoding)
- Ambiguity of Restriction Enzymes
- Ambisense Virus (e.g., Some Bunyaviruses, Arenaviruses)
- A Medium
- Amelioration of Genes
- Amelogenesis Imperfecta (AI)
- Amelogenin Test
- Amenorrhea
- Amensalism
- American-Type Culture Collection (ATCC)
- Ames Test
- Amethopterin
- Amide Bond
- Amifostin (C5H15N2O3P S)
- Amiloride (C6H8ClN7O)
- Amino Acid
- Amino Acid Analyzer
- Amino Acid Metabolism
- Amino Acid Regulation
- Amino Acid Replacement
- Amino Acid Sequencing
- Amino Acid Symbols in Protein Sequences
- Aminoacidurias
- Aminoacylation
- Aminoacyl-tRNA
- Aminoacyl-tRNA Synthetase
- Aminobenzyloxymethyl Paper
- Amino End
- Aminoglycoside Phosphotransferase (NPTII, aph(3¢)II)
- Aminoglycosides
- Amino Group
- Aminolevulinic Acid (ALA)
- Aminopterin
- Aminoterminal
- Aminotransferase
- Amish
- Amitochondriate
- Amitosis
- Amixis
- AML1
- Ammonification
- Ammunition
- Amniocentesis
- Amnion
- Amoeba
- Amorph Allele
- Amoxicillin
- AMP
- Amp (Ampicillin, 6-[D(–) Aminophenylacetamid]-Penicillinic Acid)
- AMPA (-Amino-3-Hydroxy-5-Methyl-4-Isoaxozolpropionate)
- Ampere (A)
- Amphibolic Path
- Amphid
- Amphidiploid
- Amphigamy
- Amphihaploid
- Amphimeric Genome
- Amphimixis
- Amphipathic
- Amphiphysin
- Amphiploid
- Amphiprotic
- Amphiregulin
- Amphistomatous
- Amphithallism
- Amphitropic Molecule
- Ampholine
- Ampholyte
- Amphoteric
- Amphotropic Retrovirus (Polytropic Retrovirus)
- Ampicillin
- Amplicon
- Amplification
- Amplification Control Elements
- AMPLITAQ™
- Amsterdam Criteria
- Amusia
- Amyloid
- Amyloidosis
- Amylopectin
- Amyloplast
- Amyotrophic Lateral Sclerosis (ALS, Lou Gehrig Disease)
- Anabasine (Neonicotine)
- Anabolic Steroid
- Anabolism
- Anaerobe
- Anaerobic
- Anagenesis
- Analbuminemia
- Analgesic
- Analogous Gene
- Analogue
- Analogy
- Analysis of Variance
- Anaphase
- Anaphylactic Shock
- Anaphylatoxins
- Anaphylaxis
- Anaplasia
- Anaplastic Lymphoma (Large-Cell Non-Hodgkin Lymphoma)
- Anaplerosis
- Anastomosis
- Anastral Spindle
- Ancestral
- Anchorage Dependence
- Anchor Cell
- Anchoring
- Anchor Locus
- Anchor Residue
- Ancient DNA
- Ancient Organism
- Ancient RNA
- ANCOVA
- Andalusian Fowl
- Andersen Disease (3p12)
- Andersen Syndrome (KCJN2, 17q23)
- Anderson Disease
- Anderson-Fabry Disease
- ANDi (Inserted DNA [In Reverse])
- Androdioecy
- Androecium
- Androgen
- Androgenesis
- Androgen Insensitivity (Xq11-q12)
- Androgenote
- Androgenous
- Androgen Receptor
- Andromerogony
- Andropause
- Androsome
- Androstane
- Androstanol (5-Androstan-3-ol)
- Androstenol (5-Androst-16-En-3-Ol)
- Anemia
- Anemophily
- Anencephaly (Spina Bifida)
- Anergy
- Anesthetic
- Aneugamy
- Aneuhaploid
- Aneuploidy
- Aneurysm
- Aneusomatic
- Angelman Syndrome (Happy Puppet Syndrome)
- Angioedema
- Angiogenesis
- Angiogenin
- Angiokeratoma
- Angioma
- Angioneurotic Edema, Hereditary
- Angiopoietin-1
- Angiosperm
- Angiostatin
- Angiotensin
- Angstrom (Å)
- Angular Transformation (Arcsine Transformation)
- Anhidrosis
- Anhydride
- Animalcule
- Animal Hormone
- Animal Host Cell
- Animal Model
- Animal Pole
- Animal Species Hybrid
- Animal Transformation Vector
- Animal Virus
- Anion
- Anion Exchange Resin
- Aniridia
- Anisogamy
- Anisomycin
- Anisotropic
- Anj1
- Ankyloblepharon
- Ankylosing Spondylitis (AS)
- Ankyrin
- Anlage
- Annealing
- Annexin
- Annulus (A Ring)
- Anoikis
- Anomalous Genetic Ratio
- Anomalous Killer Cell (AK)
- Anomers
- Anonymous DNA Segment
- Anonymous Gene
- Anonymous Probe
- Anopheles Mosquito
- Anophthalmos
- Anorexia
- ANOVA
- Anoxia
- Anserine (-Alanine-1-Methylhistidine)
- ANT (Formica sanguinea)
- Antagonist
- Anteater (Tamandua tetradactyla)
- Antecedent
- Antelope (Antilocapra americana)
- Antenatal Diagnosis
- Antenna
- Antennapedia
- Antenna Pigment
- Anterior
- Anterior-Posterior Polarity
- Anterograde
- Anther
- Anther Culture
- Antheridium
- Anthesis
- Anthocyanin
- Anthranylic Acid
- Anthrax
- Anthropometric Traits
- Anti
- Anti-4-1BB Monoclonal Antibody
- Antiauxin
- Antibiotic
- Antibiotic Resistance
- Antibody
- Antibody, Antigenization
- Antibody, Bispecific
- Antibody, Bivalent
- Antibody, Chimeric
- Antibody, Intracellular
- Antibody, Monovalent
- Antibody, Neutralizing
- Antibody, Polyclonal
- Antibody, Secondary
- Antibody Detection
- Antibody Domain
- Antibody Effector function
- Antibody Engineering
- Antibody Fusion
- Antibody Gene switching
- Antibody Lattice
- Antibody Mimic
- Antibody Polymer
- Antibody Preparation
- Antibody Purification
- Antibody Valency
- Anticancer Agent
- Antichaperone
- Antichromatin
- Anticipation
- Anticlinal Selection
- Anticoagulation
- Anticoding strand
- Anticodon
- Antideterminant
- Antidiuretic Hormone (Vasopressin)
- Anti-DNA Antibody
- Antiestrogen
- Antifreeze Protein
- Antifungal Response
- Antigen
- Antigene Technology
- Antigenic Distance
- Antigenic Drift
- Antigenic Shift
- Antigenic Sin
- Antigenic Variation
- Antigen Mimic
- Antigenome
- Antigen Presenting Cell (APC)
- Antigen Processing and Presentation
- Antigen Receptor
- Antihemophilic Factor
- Antihormone
- Anti-Idiotype Antibody
- Antilog
- Antilope (Blackbuck, Antilope cervicapra)
- Antimetabolite
- Antimicrobial Peptide
- Antimitotic Agent
- Antimongolism Chromosome
- Antimorph
- Antimüllerian Hormone (AMH/AMS)
- Antimutagen
- Antimutator
- Antioncogene
- Antipain
- Antiparallel Pairing
- Antiphosholipid Syndrome
- Antipodal
- Antiport
- Antipyretic
- Antirepression
- Antirestriction Mechanism
- Antirrhinum majus (Snapdragon)
- Antisense DNA
- Antisense RNA
- Antisense Strand of DNA
- Antisense Technology
- Antiserum
- Antiserum Purification
- Anti–Shine-Dalgarno Sequence
- Antisuppression
- Antitermination
- Antithrombin (AT-III, 1q23-q25)
- Antitrypsin Gene (AAT or PI)
- Antiviral Antibody
- Antizyme
- Antley-Bixler Syndrome (Trapezoidocephaly-Synostosis Syndrome)
- Anucleate
- Anus
- Aorta
- AP1, AP2, AP3, AP4, AP5 (Activated Protein)
- AP180 (Assembly Protein)
- Apaf-1 (Apoptotic Protease Activating Factor/CED4)
- Apandry
- APC
- APE
- ape
- APECED
- AP Endonuclease (APE)
- Aperiodic Crystal
- Apert or Apert-Crouzon Syndrome
- Apex
- APH
- APH(3¢)II
- Apheresis
- Aphid (Aphididae, Homoptera)
- Aphidicolin
- Apical
- Apical Dominance
- Apical Ectodermal Ridge (AER)
- Apicoplast (Apicomplexan Plastid)
- Apigenin
- Apis mellifera (Honeybee)
- Aplasia
- Aplastic Anemia
- AP Lyase
- Aplysia
- APM
- Apnea (Familial Obstructive Sleep, Snoring)
- Apocytochrome B Gene (cob)
- Apoenzyme
- Apoferritin
- Apogamety (Apogamy)
- Apoinducer
- Apolar
- Apolipoprotein
- Apomeiosis
- Apomict
- Apomixia
- Apomixis
- Apomorphic
- Apoplast
- Apoptosis (Programmed Cell Death, PCD)
- Apoptosis Inhibitor
- Apoptosome
- Aporepressor
- Aposematic Coloration
- Apospory
- Apostatic Selection
- Aposymbiotic
- Apothecium
- Apotransferrin
- APP
- AP-PCR
- Apple (Malus spp.)
- Application Programs (Computer)
- Appressor
- Appressorium
- APRF
- Apricot (Prunus armeniaca)
- April
- Aprotinin
- APSES (Present in ASM-1-Phd1-StuA-EFGTF1-Sok2 Proteins [Among Others])
- Aptamer
- Aptazyme
- Apurinic Site (AP)
- Apyrase
- Apyrimidinic Site
- Aquaporin (AQP2, 12q13, APQ4, 18q11.2-q12.1)
- Aqueous
- Aquifex aeolicus
- Arabidopsis Mutagen Assay
- Arabidopsis thaliana
- Arabinose Operon
- Arabinosuria
- Arachidonic Acid (Arachidate)
- Arachnodactyly (5q23-q31)
- ARAF Oncogene
- Arbovirus
- Archaea
- Archaebacteria
- Archaeogenetics
- Archegonium
- Archeogenetics
- Archeozoic
- Archespore
- Architectural Editing
- Architectural Protein
- Archival DNA
- Archtype
- Arcsine
- ARE
- ARF
- ARF1
- Arfaptin
- ARG
- Arg
- Arginine (2-Amino-5-Guanidinovaleric Acid)
- Argininemia (Hyperargininemia)
- Argininosuccinic Aciduria
- Arginyl tRNA Synthetase
- ARGONAUTE
- Argos
- Argosome
- Arias Syndrome
- Arithmetic Mean
- Arithmetic Progression
- Armadillo
- Armadillo (arm, 1–1.2)
- Armitage-Doll Model
- Arm Ratio
- ARMS
- Arms of Bacteriophage
- aRNA
- ARNO
- Arnold-Chiari Malformation
- ARNT
- Aromatase (ARO)
- Aromatic Molecule
- ARP
- ARP2/3 Complex
- Arrayed Library
- Arrayed Primer Extension (APEX)
- Array Hybridization
- Arrest, Transcriptional
- Arrestin
- Arrhenotoky
- ARS
- Arsenic (As3+ or As5+)
- ART
- Artemis
- Arteriosclerosis
- Arthritis
- Arthrogryposis
- Arthropathy
- Arthropathy-Camptodactyly (Synovitis)
- Arthropod
- Arthus Reaction
- Artichoke (Cynara scolymus)
- Artifact
- Artificial Insemination
- Artificial Intelligence
- Artificial Seed (Synthetic Seed)
- Artificial Selection
- A Rule
- Arylesterase (ESA, Paraoxonase)
- Aryl Hydrocarbon Receptor (ARH)
- Arylsulfate
- ASAP
- Asbestos
- Ascaris megalocephala (Horse Threadworm)
- Ascertainment Test
- Aschheim-Zondek Test (AZT)
- ASCI
- Ascidian
- Ascites
- Ascobolus
- Ascobolus immersus
- Ascocarp
- Ascogenous hyphae
- Ascogonium
- Ascomycete
- Ascorbic acid (Vitamin C)
- Ascospore
- ASCT1
- Ascus
- Ascus-Dominant
- ASE1
- Aseptic
- Asexual Reproduction
- ASF1
- AS-FISH
- Ash
- Ashkenazi (m)
- Ash Tree
- Asialoglycoprotein Receptor
- Asilomar Conference
- A Site (Decoding Site)
- ASK1
- ASLV
- ASMD
- ASN.1
- Asn-Pro-X-Tyr
- ASO
- AS ODN
- ASP Analysis
- Asparagine (-Aminosuccinamic Acid)
- Asparagine Synthetase (AS)
- Asparaginyl tRNA Synthetase (ASNRS)
- Asparagus officinalis (A Dioecious Monocot, 2n = 20)
- Aspartame (Nutra-Sweet)
- Aspartate Aminotransferase (Glutamate Oxaloacetate Transaminase, GOT1, GOT2)
- Aspartoacylase Deficiency (Aminoacylase-2 Deficiency, Canavan Disease, ACY2)
- Aspartylglucosaminuria (AGA)
- AS-PCR
- ASPD
- Aspergillus
- Aspermia
- Aspirin (Salicylic Acid Acetate)
- Asplenia
- Assay
- Assembly Initiation Complex
- Assimilation
- Association
- Association Constant (Ka)
- Association Mapping
- Association Phase
- Association Site
- Association Test
- Assortative Mating
- Astacin
- Asthenozoospermia
- Asthma
- Astral
- Astrocyte
- ASV
- Asymbiotic Nitrogen Fixation
- Asymmetric Carbon
- Asymmetric Cell Division
- Asymmetric Hybrid
- Asymmetric Replication
- Asynapsis
- Atabrine
- Atavism
- Ataxia Telangiectasia (AT)
- Ataxin
- ATCC
- ATF2
- Athanogene
- Atherosclerosis
- AT Hook
- ATLAS™ Human cDNA
- At Least One Hypothesis
- ATM
- Atomic Force Microscope (AFM)
- Atomic Radiation
- Atom Microscopy
- Atopy
- ATP
- ATPase
- ATP Synthase
- ATR
- A-Tract
- Atransferrinemia (3q21)
- Atresia
- Atrial Septal Defect
- AT-Rich DNA
- At-Risk-Motif (ARM)
- Atrium
- Atropa belladonna
- Atrophine-1
- Atrophy
- Atropine
- ATRX
- Attached X Chromosomes
- Attachment Point (ap)
- Attention Deficit Hyperactivity Disorder (ADHD)
- Attenuate
- Attenuation
- Attenuation, Viral
- Attenuator Region
- Attractin
- Att Site
- AUC
- Auer Bodies
- AUG Codon
- Auger Emission
- AU-Rich Element (ARE)
- Auricle
- Aurone
- Aurora
- Australopithecus
- Autism
- Autoallopolyploid
- Autoantibody
- Autoantigen (Self-Antigen)
- Autocatalytic Function
- Autochthonous
- Autoclaving
- Autocorrelation, Spatial
- Autocrine
- Autocrine Stimulation
- Autoecious
- Autogamy
- Autogenous Control
- Autogenous Evolution
- Autogenous Suppression
- Autograft
- Autoimmune Disease
- Autoinduction
- Autointerference
- Autologous
- Autologous Transplantation
- Autolysis
- Automixis
- Automutagen
- Autonomous Controlling Element
- Autonomous Developmental Specification
- Autonomous Parvovirus
- Autonomy
- Autophagy
- Autophene
- Autophosphorylation
- Autoploid (Autopolyploid)
- Autopodium
- Autoprocessing
- Autorad
- Autoradiography
- Autoreactive
- Autoreduplication
- Autoregulation
- Autosegregation
- Autosexing
- Autosomal-Dominant Mutation
- Autosomal-Recessive Lethal Assay
- Autosome
- Autosyndesis
- Autotoxic Enterogenous Cyanosis
- Autotroph
- Autozygous
- Auxanography
- Auxilin
- Auxin
- Auxotroph
- AuxRE
- AVED
- Avena
- Average
- Avian
- Avian Erythroblastosis (erbB)
- Avian MC29 Myelocytomatosis
- Avidin
- Avirulence
- Avogadro Number
- Avoidance Learning
- Avuncular
- Axenfeld-Rieger Anomaly (FKHL7/FOXC1, 6p25)
- Axenic
- Axial Element
- Axillary
- Axin
- Axis of Asymmetry
- Axl
- Axon
- Axoneme
- Axon guidance
- Axoplasm
- Axotomy
- Azaguanine
- Azaserine (O-Diazoacetyl-L-Serine)
- Azide
- Azoospermia
- AZT (Azidothymidine, also Called Zidovudin)
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