Biology Dictionary: M
Search or browse the dictionary for the definition of biology terms starting with the letter “M”.
Dictionary > M
M
- Ma
- Mab
- Mac
- Macaca fascicularis
- Maceration
- Mach line
- Machine
- Macroevolution
- Macromolecule
- Macronucleus
- Macronutrient
- Macroorganism
- Macrophage
- Macrophallus
- Macrophthalmia
- Macrophyllous
- Macrophyte
- Macroscopic
- Macrospecies
- Macrospore
- Macula adherens
- Macula cerulea
- Macula lutea
- Macular erythema
- Mad
- Magenta tongue
- Magnesia magma
- Magnetosome
- Magnetotaxis
- Magnification
- Magnitude
- Magnoliopsida
- Magnum
- Magnus
- Maintain
- Maintenance
- Maintenance dose
- Maize
- Major groove
- Major histocompatibility complex
- Mal
- Mala
- Malabar itch
- Maladies
- Malady
- Malaria
- Malate
- Maldigestion
- Male
- Malevolent
- Malformation
- Malfunction
- Malic acid
- Malicious
- Malignant
- Malleable
- Malnutrition
- Malpighian layer
- Malpighian tubule
- Malt
- Maltase
- Maltose
- Maltotriose
- Malvaceae
- Mamma
- Mammal
- Mammalia
- Mammalogy
- Mammary gland
- Mammotropic hormone
- Man
- Management area
- Mandible
- Mandibular arch
- Mango
- Mangrove
- Manicy
- Manifest
- Manifestation
- Manifestations
- Manifesting heterozygote
- Manifold
- Manipulation
- Manna
- Manner
- Manners
- Mannitol
- Mannosans
- Mannose
- Manometer
- Mantis
- Mantle
- Mantle layer
- Manual
- Manubrium
- Manubrium sterni
- Map
- Map distance
- Mapping
- Marbling
- Mareys law
- Margin
- Marginal
- Marine
- Marker
- Marker enzyme
- Marker gene
- Marker locus
- Marram Grass
- Marriage
- Marrow
- Marsh
- Marsupial
- Marsupium
- Martial
- Masculine uterus
- Mash
- Mask
- Masked
- Masking
- Mass
- Mass extinction
- Mass-action ratio
- Masses
- Masseteric tuberosity
- Master eye
- Masticatory apparatus
- Masticatory mucosa
- Masticatory surface
- Mastich
- Mastigomycotina
- Mastigonemes
- Mastigophora
- Mastotomy
- Match
- Matched-pair analysis
- Matching
- Mate
- Mater
- Materia alba
- Material
- Material Body
- Maternal
- Maternal gene
- Maternal inheritance
- Maternal-effect gene
- Mating
- Matrix
- Matter
- Maturation
- Maturation index
- Maturation-promoting factor
- Mature
- Mature mRNA
- Maturity
- Maxam-Gilbert sequencing
- Maxillary angle
- Maxillary antrum
- Maxillipeds
- Maximum
- Maximum temperature
- Mayers reflex
- Maze
- MDNA
- Mean
- Mean vector
- Measure
- Meat
- Meatus
- Mechanical
- Mechanical abrasion
- Mechanical equilibrium
- Mechanism
- Mechanoreceptor
- Media
- Medial
- Medial canthus
- Medial longitudinal fissure
- Medial margin
- Medial popliteal nerve
- Medial surface
- Median
- Median plane
- Mediate
- Mediator
- Mediators
- Medical biophysics
- Medicinal plant
- Mediotrusion
- Meditation
- Medium
- Medulla
- Medulla oblongata
- Medullary cavity
- Medullary chemoreceptor trigger zone
- Medullary cone
- Medullary Sheath
- Medullated nerve
- Medusa
- Medusoid
- Meeting
- Megakaryoblast
- Megakaryocyte
- Megaspore
- Meiocene
- Meiosis
- Meiosis I
- Meiosis II
- Meiospore
- Meiotic spindle
- Meissners corpuscle
- Melamine
- Melancholy
- Melanin
- Melanism
- Melanocyte
- Melanocyte-stimulating hormone
- Melanoderma
- Melanogenesis
- Melanophore
- Melanosome
- Melatonin
- Meliphagan
- Melon
- Melotia
- Melting
- Melting temperature of dna
- Meltzer-lyon test
- Member
- Membrana fibrosa
- Membrane
- Membrane attack complex
- Membrane protein
- Membrane Transport Protein
- Membrane vesicles
- Membranous
- Membrum inferius
- Membrum superius
- Memory
- Memory B cell
- Memory cell
- Memory loop
- Memory T cell
- Mendelian Genetics
- Mendelian inheritance
- Mendels Law of Heredity
- Mendels second law
- Menostasis
- Menostaxis
- Menoxenia
- Menstrual cycle
- Menstruation
- Menstruum
- Mentagra
- Mental aberration
- Mental impression
- Mental protuberance
- Mental scotoma
- Mercurial
- Mercury
- Mere-
- Mericarp
- Meridian
- Meridional
- Meristem
- Merkel disk receptor
- Merkels tactile disk
- Meroblastic cleavage
- Merocrine gland
- Merozoite
- Mesh
- Meshwork
- Mesocarnivore
- Mesoderm
- Mesokaryotic
- Mesophile
- Mesophyll
- Mesophyll layer
- Mesophyte
- Mesoplankton
- Mesosome
- Mesozoic
- Messenger
- Messenger ribonucleic acid
- Met
- Meta-
- Meta-analysis
- Metabiosis
- Metabole
- Metabolic burst
- Metabolic disorder
- Metabolic pathway
- Metabolic Process
- Metabolic rate
- Metabolic Water
- Metabolism
- Metabolite
- Metacentric chromosome
- Metachromasia
- Metachromatic granules
- Metakinesis
- Metal
- Metalloenzyme
- Metameric
- Metamerism
- Metamorphic
- Metamorphism
- Metamorphosis
- Metamyelocyte
- Metaphase
- Metaphase I
- Metaphase II
- Metaphase plate
- Metaphloem
- Metaphor
- Metaprotein
- Metastasis
- Metatherian mammal
- Metaxylem
- Metazoan
- Meter
- Meters
- Methampyrone
- Methane
- Methanogen
- Methanogenesis
- Methanotroph
- Methionine
- Methodical
- Methodology
- Methyl
- Methyl aldehyde
- Methyl group
- Metratrophy
- Metric
- Metric system
- Mexican hat cell
- Mica
- Michaelis-menten equation
- Michaelis-menten hypothesis
- Microaerophile
- Microalgae
- Microbe
- Microbial
- Microbiology
- Microbodies
- Micrococcus luteus
- Microelectrode
- Microevolution
- Microfibril
- Microfilament
- Microfilaria
- Microhabitat
- Microheterogeneity
- Microinjection
- Microliter
- Micrometer
- Micromole
- Micromolecule
- Micron
- Micronucleus
- Micronutrient
- Microorganism
- Microparasites
- Microphagous
- Microphthalmia
- Micropyle
- Microsatellite
- Microscope
- Microscopic
- Microscopic anatomy
- Microscopic section
- Microscopy
- Microsphere
- Microspheres
- Microspore
- Microtome
- Microtubule
- Microtubule nucleation
- Microtubule organizing center
- Microtubule-associated protein
- Microvilli
- Microvillus
- Microwave
- Micturition reflex
- Mid
- Midaxillary line
- Middle lamella
- Midgut
- Midline
- Midrib
- Midsagittal section
- Midsternum
- Migration
- Mild
- Mildew
- Milieu
- Milieu interieur
- Milk
- Milk-ejection reflex
- Mill
- Mill residue
- Mill wheel murmur
- Millepora alcicornis
- Milling
- Millipede
- Millons reagent
- Millons test
- Milt
- Mim number
- Mimesis
- Mimetic muscles
- Mimetism
- Mimic
- Mimic genes
- Mimicry
- Mine
- Mineral
- Mineral soil
- Mineral wax
- Mineralization
- Mineralocorticoid
- Miners asthma
- Miniature end plate potential
- Minimal
- Minimum temperature
- Minisatellite
- Mint
- Minuscule
- Minute
- Minute mutant
- Miosis
- Mirror image
- Miscible
- Misogamy
- Misopedia
- Missense mutation
- Mist
- Mit
- Mite
- Mitigate
- Mitigation
- Mitochondrial DNA
- Mitochondrial inheritance
- Mitochondrion
- Mitogen
- Mitoplast
- Mitoribosome
- Mitosis
- Mitospore
- Mitotic phase
- Mitotic spindle
- Mitral valve
- Mixed bud
- Mixing
- Mixotroph
- Mixture
- Mm
- Mo
- Mobile
- Mobile genetic element
- Mobile ion carrier
- Mobility
- Mobilization
- Mock
- Mod
- Modality
- Mode
- Model
- Moderator variable
- Modern genetics
- Modern human being
- Modest
- Modification
- Modification enzyme
- Modulate
- Modulation
- Modulus
- Moiety
- Moist rale
- Moisten
- Moisture
- Moisture content
- Molar
- Molar behaviour
- Molar extinction coefficient
- Molarity
- Molasses
- Mold
- Mole
- Molecular behaviour
- Molecular biology
- Molecular chaperones
- Molecular disease
- Molecular dispersion
- Molecular distillation
- Molecular formula
- Molecular genetics
- Molecular mass
- Molecular neuroscience
- Molecular structure
- Molecular weight
- Molecular weight ratio
- Molecule
- Mollusca
- Molting
- Molybdoferredoxin
- Moment
- Momentum
- Monad
- Monandria
- Monandrous
- Monarch
- Monarchy
- Monasteries
- Monastery
- Monera
- Mongolian fold
- Mongrel
- Moniliform hair
- Monism
- Monitor
- Monk
- Monkey
- Mono
- Monoblast
- Monoblastic
- Monochromatic
- Monoclonal
- Monoclonal antibody
- Monocondylic skull
- Monocot
- Monocotyledon
- Monocular
- Monocular vision
- Monoculture
- Monocyte
- Monocytopenia
- Monocytopoiesis
- Monod-Wyman-Changeux model
- Monoecious
- Monogene
- Monogenea
- Monogenesis
- Monogenetic
- Monogenic disease
- Monogenic inheritance
- Monogenic trait
- Monogenism
- Monoglyceride
- Monograph
- Monohybrid
- Monohybrid cross
- Monolayer
- Monomania
- Monomer
- Monomeric
- Monometric
- Monomorphic
- Mononuclear leukocyte
- Mononuclear phagocyte system
- Mononucleate
- Mononucleotide
- Monophyletic
- Monoploid
- Monoploidy
- Monosaccharide
- Monosomy
- Monospermy
- Monotremata
- Monotreme
- Monotropa
- Monounsaturated fat
- Monounsaturated fatty acid
- Monovalent
- Monozygotic twins
- Moon
- Moon face
- Moores lightning streaks
- Moral
- Moraxella bovis
- Morbidity
- Mordant
- Morners test
- Morpheus
- Morphogenesis
- Morphological features
- Morphology
- Morphometry
- Mortal
- Mortality
- Mortality rate
- Mortar
- Mortification
- Mosaic
- Mosaic disease
- Mosaic egg
- Mosaicism
- Moss
- Moss capsule
- Mosses
- Motes
- Moth
- Mother
- Mother cell
- Mother colony
- Mother liquor
- Motif
- Motile
- Motility
- Motion
- Motivation
- Motogen
- Motor
- Motor activity
- Motor neuron
- Motor point
- Motor protein
- Mottling
- Moulding
- Moulds
- Mound
- Mount
- Mountain
- Mounting
- Mouse unit
- Mouth
- Mouth of the womb
- Movable joint
- Move
- Movement
- Mri
- MRNA
- Mu
- Mucilage
- Mucilaginous
- Mucin
- Mucoid
- Mucolipidosis
- Mucopeptide
- Mucor
- Mucosa
- Mucous connective tissue
- Mucous gland
- Mucous membrane
- Mucus
- Mud
- Muddy
- Mudfish
- Mulch
- Mule
- Multicellular
- Multicellularity
- Multicuspid tooth
- Multiparous
- Multipennate muscle
- Multiple
- Multiple alleles
- Multiple fruit
- Multiplexing
- Multiplication
- Multiplicative growth
- Multiplies
- Multiply
- Multipolar
- Multipolar mitosis
- Multipotent
- Multipotent cell
- Multiregional model
- Mung
- Municipal
- Murein
- Murine
- Musci
- Muscle
- Muscle bundle
- Muscle cell
- Muscle contraction
- Muscle fascicle
- Muscle fatigue
- Muscle plasma
- Muscle plate
- Muscle relaxation
- Muscle spindle
- Muscle tissue
- Muscle tone
- Muscle tonus
- Muscle-trimming
- Muscular dystrophy
- Muscular system
- Musculus biventer mandibulae
- Musculus ischiococcygeus
- Muses
- Mushroom
- Mussels
- Mutagen
- Mutagenesis
- Mutagens
- Mutant
- Mutation
- Mutation frequency
- Muted tidal regime
- Mutein
- Mutilation
- Muton
- Mutual resistance
- Mutualism
- Mutualistic symbiosis
- Mv
- Mw
- Mya
- Myanmar
- Mycelium
- Mycetes
- Mycology
- Mycoplankton
- Mycorrhiza
- Mycotic stomatitis
- Myelin
- Myelin sheath
- Myelinated nerve
- Myelinated nerve fiber
- Myelinated neuron
- Myeloblast
- Myeloplegia
- Myelopoiesis
- Mylohyoid groove
- Mylohyoid ridge
- Myoblast
- Myocardium
- Myoepithelial cell
- Myofibril
- Myofibrosis
- Myofibrositis
- Myofilament
- Myogenesis
- Myoglobin
- Myology
- Myomalacia
- Myometrium
- Myopia
- Myosalpingitis
- Myosin
- Myosin atpase
- Myosin filament
- Myotenositis
- Myriapoda
- Myricin
- Mythology
- Mytilus edulis
- Myxine
- Myxoid degeneration