- Bilevel positive airway pressure
- Biliary atresia
- Biliary cirrhosis
- Biliary colic
- Biliary disease
- Biliary dyskinesia
- Biliary fistula
- Biliary injury
- Biliary pseudolithiasis
- Biliary reflux
- Biliary sludge
- Biliary system
- Biliary tract
- Biliary tract cancer
- Bilingualism
- Bilirubin
- Bilirubin diglucuronide
- Bilirubin glucuronide
- Bilirubin metabolism
- Bilirubinuria
- Biliverdin
- Biliverdin reductase
- Biliverdin reductase A
- Billroth I
- Billroth II
- Bilobalide
- Biloma
- Bimagrumab
- Bimatoprost
- Bimekizumab
- Bimetal
- Bimolecular fluorescence complementation
- Binaltorphimine
- Binapacryl
- Binary Alignment Map
- Binaural fusion
- Binaural hearing
- Binaural unmasking
- Binders
- Binding affinity
- Binding domains
- Binding energy
- Binding potential
- Binding problem
- Binding protein
- Binding sites
- Bing-Neel syndrome
- Binge Eating Scale
- Binge drinking
- Binge eating
- Binge eating disorder
- Binge eating scale
- Binimetinib
- Binocular disparity
- Binocular neurons
- Binocular rivalry
- Binocular summation
- Binocular vision
- Binswanger disease
- Binswanger's disease
- Binucleated cells
- Bio-MEMS
- Bio-based materials
- Bio-ink
- BioGRID
- BioMart
- BioNumerics
- BioThrax
- Bioaccumulation
- Bioactivation
- Bioactive compounds
- Bioactive glass
- Bioactivity
- Bioadhesives
- Bioaerosols
- Bioallethrin
- Bioamplifier
- Bioanalysis
- Bioartificial organs
- Bioassay
- Bioassays
- Bioavailability
- Biobanks
- Bioburden
- Biocatalysis
- Biocatalyst
- Bioceramic
- Biochanin a
- Biochemical
- Biochemical assays
- Biochemical cascade
- Biochemical pathways
- Biochemical reaction
- Biochemical recurrence
- Biochemistry
- Biochip
- Biocides
- Biocommunication
- Biocompatibility
- Biocompatible materials
- Biocomposites
- Bioconcentration
- Bioconcentration factor
- Bioconjugation
- Biocontainment
- Bioconversion
- Biodefense
- Biodegradable polymers
- Biodiesel
- Biodistribution
- Biodiversity
- Bioecological model
- Bioeconomy
- Bioelectrical impedance analysis
- Bioelectricity
- Bioelectromagnetics
- Bioelectronic
- Bioencapsulation
- Bioenergetics
- Bioequivalence
- Bioethanol
- Bioethics
- Biofabrication
- Biofeedback
- Biofilm
- Biofilms
- Bioflavonoids
- Biofuel
- Biofuels
- Biofunctionalisation
- Biogas
- Biogenic amines
- Biogeochemical cycling
- Biogerontology
- Bioglass
- Biohazards
- Bioimpedance analysis
- Bioindicators
- Bioinformaticians
- Bioinformatics
- Bioinitiative Report
- Bioinorganic chemistry
- Bioisostere
- Biolistics
- Biologic agent
- Biologic therapy
- Biological activity
- Biological clock
- Biological contamination
- Biological data