Biology & Genetics
- Abbe Camera Lucida
- Abdomen
- Aberration
- Abiogenesis
- Abiotrophy
- Aboral
- Abortive
- Abraxas
- Academy of Sciences of the USSR
- Accessory Organs
- Acclimatization
- Achromatin
- Acrania (z33)
- Actiniae
- Activated Sludge
- Adaptation (a2430)
- Adaptation (a3136)
- Adentia
- Adoral
- Aeration
- Aerobes
- Aerotaxis
- Aga
- Agamogony
- Agave
- Aglyphodonta
- Air Sacs
- Albinism
- Aleuronat
- Alga Carrageen
- Algae
- Algology
- Alizarin Dyes
- Alkanna
- Alkaptonuria
- Allantois
- Allelomorphs
- Alloplasm
- Allosomes
- All-Union Institute of Experimental Medicine
- Alternative Inheritance
- Altman Methods
- Altmann, Richard
- Altmann's Granulation
- Altmann-Schridde Granulation
- Alytes obstetricans
- Amblystoma
- Amebocyte
- Aminosugars
- Amitosis
- Amnion
- Amniotes
- Amoebas
- Amoeboid Movements
- Amphibians
- Amphiblastula
- Amphigony
- Amphimixis
- Amphioxus
- Amphipyrenin
- Amphitricha
- Amphophilic Granules
- Anabiosis
- Anabolism
- Anagyris
- Analogous Organs
- Ancistrodon
- Androgenic Eggs
- Angioblast
- Anguillulidae
- Animal Migration
- Animal Pole
- Animals
- Aniridia
- Anisotropy
- Annelid Worms
- Anobiidae
- Anomaly
- Anonychia
- Anthropogenesis
- Anthropoids
- Anthropology
- Antidotes and Protistology
- Antiferments
- Antimeres
- Ants
- Anuclear Organisms
- Aplasia Axialis Extracorticalis Congenita
- Apomixis
- Appositional Growth
- Arachnida
- Archenteron
- Archoplasm
- Area
- Area Embryonalis
- Arion
- Aristotle
- Arndt-Schulz Law
- Arrhenidia
- Arthropoda
- Artifact
- Aschoff
- Ascomycetes
- Asexual Reproduction
- Asexuality
- Askania-Nova
- Asopia Farinalis L
- Asp
- Asphodel
- Astrocytes
- Astrosphere
- Asymmetry
- Atavism
- Athletic Type
- Atresia (z1591)
- Autoblasts
- Autogamy
- Autosomes
- Autotomy
- Autotrophic Plants
- Axolotl
- Axostyle
- Bacteria
- BACTERIOPLANKTON
- Bacteroids
- Barbus Fluvialis
- Bardet Syndrome
- Barezhin
- Barotaxis
- Barthlein
- Basal Bodies
- Basidiomycetes
- Basophil
- BASTARD
- Bats
- Beetles
- Behavior
- Belone
- Beluga
- Benthos
- Bidder's Organ
- Bilaterality
- Binomial Distribution
- Bioblasts
- Biocoenosis
- Biogen
- Biogenesis
- Biogenetic Law
- Biological Reactions
- Biology
- Biometry
- Biont
- Biophores
- Biopsychology
- Biosphere
- BIOTONUS
- Bipolar
- Bird Lice
- Birds
- Bisexuality
- Bithynia
- Bivalent Chromosomes
- BLANCHARD RAFAEL
- Blastema
- Blastocoel
- Blastoderm
- Blastogenic Variation
- Blastomere
- Blastophthoria
- Blastopore
- Blepharoplast
- Blister Beetles
- Blood Vessels (525)
- Blumenbach
- Body Cavities
- Boiga Trigonatum
- Boluses
- Bone
- Boveri
- Brachycephaly
- Brachydactyly
- Branchial Arches
- Brilliant Cresyl Blue
- Broman Theory
- Bronzovka
- Brownian Movement
- Bruchus
- Bryony
- Bryophyta
- Büchli
- Buchner Press
- Budding
- Buffon
- Bufonin
- Bungarus Caeruleus
- Butterflies
- Capillary-Rotor
- Capsular Bacteria
- Cardinal Veins
- Carmine
- Carotenoids
- Carrel
- Caryo-
- Cell
- Cell Theory
- Cellulose
- Centrioles
- Cephalic Index
- Cereals (Gramineae, a family of monocotyledonous)
- Cestodes
- Chamomile
- Character
- Charles Darwin
- Chemotaxis
- Cherry Gum
- Chimeras
- Chromatin
- Chromatophilia
- Chromomeres
- Chromophages
- Chromosome Crossing-Over
- Chromosomes
- Cinematography
- Circulatory System
- Cnidosporea
- Coagulation
- Coelenterata
- Coitus
- Collar Cells
- Coloboma
- Colonial Animals
- Coloration of Plants and Animals
- Colorimetry
- Combinations of Diseases
- Commensalism
- Comparative Anatomy
- Conditional
- Connective Tissue
- Constitution
- Convection
- Convergence in Biology
- Cooling
- Copulation
- Cretinism
- Cross Immunization
- Cruelty
- Crustacea
- Cryophilic Bacteria
- Cryptomery
- Cystinuria
- Cytology (CYTOLOGY)
- Cytology (the science of the structure and vital activity)
- Cytolysis
- Dactyloscopy
- Daltonism
- Daphnia
- Darnel
- Darwinism
- Datura
- Death
- Degenerates
- Degeneration (a588)
- Degeneration (a870)
- Denitrification
- Depression in Biology
- Dermatolysis
- Desmons
- Desmoplasia
- Diamino Acids
- Dichotomy
- Dictyosomes
- Dielectrics
- Differentiation
- Diffusion
- Digestive System
- Dimorphism
- Discomplexation
- Dissogony
- Divergence
- Doflein
- Dolichocephaly
- Dominance
- Donnan Equilibrium
- Drew Solution
- Driesch
- Drosera Rotundifolia L.
- Durable Modification
- Dwarfism
- Echinoderms
- Ecology
- Egg
- Eimer
- Eimer's Organ
- Elder
- Electric Organs
- Embryo
- Embryology
- Embryonic Development
- Engelmann
- Entomology
- Enzymes
- Epigenesis
- Epithelium
- Eugenics
- Euphenics
- Evolutionary Theory
- Extinction
- Familial Myoplegia
- Familial Spastic Diplegia
- Fats
- Faussek
- Fern
- Fertilization
- Fetal Inclusion (s)
- FISH
- Flagellata
- Flatworms
- Flavins
- Flies
- Fluctuations
- Foregut
- Francis Galton
- Freezing
- Fritz Muller
- Frog
- Fruits
- Fuhrmann
- Fülleborn
- Fungi
- Fusion
- Galli-Valerio
- Galton's Laws of Heredity
- Galvanotaxis
- Gambusia
- Gametes
- Gametocytes
- Gastrula
- Gemmules
- Gene
- Genealogy
- Genetic Analysis
- Genetics
- Genius
- Genodermatoses
- Genotype
- Genovariations
- Genus
- Geoffroy Saint-Hilaire
- Geophilus
- Georges Cuvier
- Geotropism
- Germ Layers
- Germ Plasm
- Germinal
- Giant Cells
- Gills
- Globidium
- Goethe
- GOLD NUMBER
- Gongylonema
- Goniometer
- Gonomery
- Grassi
- Gregarines
- Ground Squirrel
- Growth
- Guanine
- Guest Parasites
- Guinea Pig
- Gulevich
- Gums
- Gynandromorphism
- Haeckel
- Haemosporidia
- Hallervorden-Spatz Disease
- Haploid
- Hartmann
- Head
- Health
- Heart
- Heavy Water
- Heidenhain
- Heliotropism
- Hemagglutination
- Hematology
- Hematopoiesis
- Hematoxylin
- Hemididymia
- Hemocytoblast
- Hemolytic Jaundice
- Hemophilia
- Herbst Corpuscles
- Hereditary
- Hereditary Ataxic Degeneration
- Heredity
- Hering
- Herniaria Glabra L.
- Herpetomonas
- Hertwig
- Hessian Fly
- HETEROCHROMOSOMES
- Heterochrony
- Heterogony
- Heteroplasty
- Heterotrophic Plants
- Histogenesis
- Histological Technique
- Histology
- Histolysis
- Histomers
- Histones
- Homeothermic Animals
- Homo- and Heterozygotes
- Homologous Organs
- Horsehair Worm
- Human
- Hüppe and Gyurza
- Huxley
- Hybrid Diseases
- Hybridization
- Hydrobiology
- Hydrotaxis, Hydrotropism
- Hyperplasia
- Hypoplasia
- Hypostasis
- Hyssop (Hyssopus officinalis)
- Ichthyosis
- Idiogram
- Idioplasm
- Idiotyp
- Immortality
- Implantation
- Impregnation
- Inbreeding
- Incest
- Individuum
- Infusoria
- Ingenhousz
- Insectivora
- Insects
- Instincts
- Interkinesis
- Intermediate
- Interplantation
- Intersexuality
- INTESTINE
- Inulin
- Invertebrates
- Involution
- Irrigation Fields
- IRRITABILITY
- Isoantigens And Isoantibodies
- Karl Ernst von Baer
- Karl Pearson
- Karyokinesis
- Karyotype
- KHOLDOVSKY
- Kinetoplast
- Kinoplasm
- Knop's Solution
- Koltsov
- Korzhinsky
- Kovalevsky Alexander
- Laboratory Animals
- Lactase
- Lagochilascaris
- Lamarck
- Lamarckism
- Larva
- Latent Period
- Lateral Line Organs
- Latex
- Lecithoblast
- Legumes
- Lenticular Degeneration
- Leptandra
- Lethal Genes
- Leuckart
- Leukopathias
- LEVIT
- Lichens
- Liesegang Rings
- Life
- Linnaeus
- LIPOBLAST
- Locomotor Apparatus
- Loeb Jacques
- Loos
- Luminescence
- Lungs
- Lymphocytes
- Malformations
- Maltase
- Mammals
- Mandragora
- Manic-Depressive Psychosis
- Manoilov Reaction
- Marie Neuritis
- Marmot
- Marsh Mallow
- Martini Erich
- Masculinization
- Mealworm
- Mechanics of Development
- Mechnikov, Ilya Ilyich
- Megaspheres
- Mendel
- Mendelism
- Mesenchyme
- Mesoderm
- Mestizos
- META
- Metabolism
- Metagenesis
- Metamerism
- Metamorphosis
- Metaphyta
- Metaplasm
- Methods of Gilding
- Mice
- Micelles
- Microbial Dissociation
- Microbiology
- Micromanipulator
- Micrometry
- Microoperations
- Microscope Slide
- MICROSURGERY
- Milt
- Mimicry (or imitative coloration, is a phenomenon)
- Mistletoe
- Mitochondria
- Mitogenetic Rays
- Modifications
- Moist Chamber
- Mollusks
- Mongolism
- Monkeys
- Morganism
- MORPHA
- MORPHISM
- Morphogenesis
- Morphology
- Morula
- Mosquitoes
- Moth
- Muller
- Multiple Pregnancy
- Muscles
- Mussel Toxin
- Mutation
- Mutualism
- Mycology
- Myoepithelium
- Myomalacia
- Myopathy
- Myotonia (myotonia)
- Myriapods
- Myxobacteria
- Myxomycetes
- Nageli
- Nardus Stricta
- Nasturtium
- Natural Selection and Natural Experiment
- Navashin
- Nematodes
- Neo-Darwinism
- Neoteny
- Nephrocytes
- Nettle Animals
- Neumann Cells
- Niemann-Pick Disease
- Nitrogen
- Nitrogen-Fixing Bacteria
- Norm
- NUCLEIC ACIDS
- Nucleins
- Nucleus
- Nuptial Plumage
- Oats
- Obligate
- Omnivores
- Ontogenesis
- Organ
- Organism
- Organoids
- Osborn
- Osmium
- Osteology
- Otosclerosis
- Ovaries
- Ovulation
- Oxidative Enzymes
- OXYCOMPOUNDS
- Paleoanthropology
- Paleontology
- Palingenesis
- Pangenesis
- Pantin Method
- Parabiosis
- Parasites
- Parasitic Worms
- Parasitism (one of the forms of)
- Paratype
- Parthenogenesis
- Pasteur
- Paul Kammerer
- PECTIN SUBSTANCES
- Pedogamy
- Pelvic Girdle
- Peptization
- Periploca Graeca
- Permeability
- Pharyngeal Gut
- Phenogenetics
- Phenotype
- Phosphatides
- Photoreceptors
- Physiology
- PIGMENTS
- Plankton
- Plant Anatomy
- Plant Fibers
- Plants
- Plasmogony
- Plasmolysis
- Pleiotropy
- Pluteus
- Polarity
- Pollination
- Polydactyly
- Polymeria
- Population (means population in the ordinary sense, however)
- Postembryonic Development
- Potato
- Potentiometer
- Preformation
- Pregnancy
- Primary Streak
- Prolamins
- Proliferation
- Promorphology
- Protective Adaptations
- Protein Crystals
- Proteins (or proteins, are high-molecular-weight)
- Protistology
- Protozoa (protozoa)
- Protozoology
- PROWAZEK
- Pseudoparasites
- Pseudophyllidea
- Pseudopodia
- Psoriasis
- Psychoide
- Punnett Square
- Pure Lines
- Pyrrole
- Quantum Theory
- Quince
- Rabbits
- Races
- Rats
- Recessive
- Recharging of Colloids
- Regeneration
- Regression
- Rejuvenation
- Reproduction
- Reptiles
- Respiratory Organs
- Rhabditis
- Ribs
- Ringer's Solution
- Rotifers
- Rubinstein
- Rudimentary
- Rudolf Albert von Kölliker
- Rudolf Martin
- Rudolphi
- Ruminants
- Salazkin
- Saprobic Zones
- Saprobionts
- Saprophages
- Saprophytes
- Schizoid
- Schleiden
- Schwann
- Secondary Sexual Characteristics
- Seeds
- Segment
- Segmentation
- Selection
- Self-Purification of Water Bodies
- Semon's Theory
- Sergei Vinogradsky
- Seston
- Sex
- Sex Question
- Sexual Characteristics
- Sexual Organs
- Sexual Processes
- Sexual Sterilization
- Sharks
- Shimnevich
- Shoulder Girdle
- Silkworm
- Sir Richard Owen
- Skeleton
- Skin Diseases
- Skull
- Slovtsov
- Soma
- Somatic Mutation
- Somatoscopy
- SORPTION PHENOMENA
- Soy
- Spallanzani
- Species
- Spencer
- Spermatozoa
- Spermolith
- Spindle Cells
- SPIRILLA
- Sponges
- Spontaneous Generation
- Spores
- Sporozoa
- Spottedness
- Stannius Corpuscles
- Statocysts
- Stinger
- Stomach
- Stonefish
- Strains
- Stroma
- Struggle for Existence
- Substance Circulation
- Superfecundation
- Surface Tension
- Swammerdam
- Symbiosis
- Symmetry
- Synapsis In Cytology
- Syncytium
- Syndactyly
- Syphacia Obvelata
- Tapeworms
- Taxonomy
- Teeth
- Temperature
- Teratology
- Ternidens
- Testicle
- THERMOREGULATION
- Thixotropy
- Thomas Hunt Morgan
- Thorny-Headed Worms
- Threshold
- Timiryazev, Kliment Arkadyevich
- Tissue Cultures
- Tissues
- Toads
- Tongue
- Torsion Spasm
- Toxocara
- Tracheates
- Transplantation
- TREMATODES
- Triton
- Trophocytes
- Tropisms
- Trypan Blue
- Twins
- Ultracentrifuge
- Ultramarine
- Ultraviolet Rays
- Umbilical Cord
- Unconditioned Reflex (An unconditioned reflex is an inborn species)
- Urogenital Organs
- Vacuole
- Vacuome
- Variability
- Variations
- Variety
- Vegetables
- Vegetative
- Vegetative Pole
- Vernadsky
- Vertebral Column
- Vertebrates
- Verveine
- Vestigial Organs
- Violet Gland
- Viper
- Visceral Skeleton
- Visual Organs
- Vitalism
- Vivarium
- Viverra
- Viviparous Animals
- Vivisection
- Vladimir Palladin
- Voluntarism and Volutin
- Wandering Cells
- Warburg
- Water Boatman
- Water Scorpion
- Water Wool
- Weber's Apparatus
- Weigert's Biological Law
- Weismann
- Weismann Theory
- Wiedersheim
- Wild Rosemary
- Wilhelm Johannsen
- Wilson
- Wolfberry
- Wolff
- Wolffian Duct
- Worms
- Wound Hormones
- Xeroderma Pigmentosum
- Yolk
- Zavarzin
- Zondek-Aschheim Reaction
- Zoology
- Zoospores
- Zygote