basal-like phenotype
basal portion
basal position
basal promoter activity
basal rate
basal region
basal regions
basal release
basal resistance
basal respiration

basal segments
basal side
basal spacing
basal state
basal surfaces
basal synaptic transmission
basal taxa
basal tone
basal transcription
basal values
basal zone

basaloid cells
basaltic rocks
basalts
base
base adaptation
base analogues
base angle
base area
base balance
base behavior
base case

base catalysis
base cations
base changes
base chemistry
base composition
base damage
base deficit
base deletion
base derivatives
base diameter
base excess

base excision repair
base excision repair gene
base excitations
base flow
base formation