rBAT - retraction
- refillable
- refilling
- refine
- refined wool fat
- refl
- reflect
- REFLECT-1
- REFLECT-2
- reflectance
- reflected
- reflected head of rectus femoris muscle
- reflected light
- reflected ray
- reflected reentry
- reflecting microscope
- reflection
- reflection coefficient
- reflection factor
- reflection point
- reflective
- reflector
- Reflex
- reflex act
- reflex action
- reflex amaurosis
- reflex amblyopia
- reflex arc
- reflex asthma
- reflex bladder
- reflex center
- reflex circuit
- reflex control
- reflex cough
- reflex decidua
- reflex epilepsy
- reflex hammer
- reflex incontinence
- reflex iridoplegia
- reflex ligament of Gimbernat
- reflex movement
