Biology
Articles about living organisms, life processes and biological research.
Brachiozoa
Brachiozoa — the clade uniting brachiopods and phoronids
Bracket fungus
Bracket fungi (shelf fungi): characteristics, ecology, and human uses
Brain
Brain cell
Brain cell (neurons and glia)
Brain stem
Branchiobdellida
Branchiobdellida — leech-like annelids associated with crayfish
Breast
Breast (human anatomy and function)
Breast augmentation
Surgical and autologous methods to increase breast volume, including implants and fat grafting; indications, techniques, risks, recovery, and long-term considerations.
Breastfeeding
Breastfeeding: physiology, benefits, challenges and public health importance
Breath sounds
Breath sounds: types, how they are heard, clinical significance
Breathing
Breathing: how air moves through the lungs and sustains life
Breed
Breed — distinct types of domesticated animals and plants
Broca's area
Broca's area: brain region involved in speech and language production
Bronchiole
Bronchiole: small airways of the lung
Bronchus
Brood parasitism
Bryology
Bryology: the study of mosses, liverworts and hornworts
Bubo
Bubo: Inflamed lymph node associated with infection and reactive lymphadenopathy
Budding
Bulbourethral gland
Bulbourethral gland (Cowper's gland)
Burping
Burping (Eructation): Causes, Social Meaning, and Health Notes
Burrow
Burst kinetics
Burst kinetics in enzymology
Butterfly net
Butterfly net (aerial insect net)
Byssus
Byssus: mollusc attachment threads and the rare textile 'sea‑silk'
Calvin cycle
Cambrian explosion
Cambrian explosion: rapid diversification of animal life in the early Paleozoic
Campylobacter
Candidatus
Candidatus: provisional names for uncultured bacteria and other prokaryotes
Capillary
Capillary (microvessel)
Capsid
Capsid (viral protein shell)
Carbon fixation
Biological carbon fixation: pathways, mechanisms, and ecological significance
Carcass
Carcass: definition, decomposition, ecological role, and terminology
Cardiac muscle
Cardiac muscle (myocardium): structure, function, and clinical importance
Carnassial
Carnassial teeth
Carotenoid
Carotenoids: natural pigments, functions, and significance
Carpals
Carpals (Wrist Bones): Structure, Function, and Clinical Notes
Carsonella ruddii
Cartilage
Caste (biology)
Castorimorpha
Castorimorpha: the beavers, pocket gophers and kangaroo rats
Catabolism
Catabolism: the biochemical breakdown of molecules for energy
Cell
Cell (biology): structure, function, and main types
Cell biology
Cell Biology: structure, molecules, and cellular processes
Cell differentiation
Cell differentiation: how cells acquire specialized identities
Cell division
Cell division: processes, types, and biological significance
Cell growth
Cell Growth (Interphase): processes, regulation, and biological importance
Cell membrane
Cell membrane (plasma membrane): structure, function and diversity