D-ring (saddle)
Dallmer cuff
debridement
deciduous teeth
deep capped hock
deep digital flexor tendon (DDFT)
degenerative
dental caps
dental cups
depth of the chest
dermal lamella
dermatophilosis
dermis
desmotomy
diaphysis
diastema
diffuse
digit
digital artery
digital cushion
digital cushion, bulb region
digital cushion, frog region
digital extension test
digital extensor tendon
digital flexor tendon sheath
digital nerve
digital nerve block, palmar/plantar
dimethyl sulphoxide (DMSO)
Dinohippus
disinfection
dislocation
distal
distal interphalangeal joint
distal interphalangeal joint arthritis
distal phalanx
distal sesamoid impar ligament
dock
domestication
donkey
doping
dorsal
dorsal notch
double bridle
double-jointed snaffle
draught horse
draw reins
drawing a clip
drawing knife
drawing out
dressage
drift
drive-in stud
driving
driving hammer
dropped sole
