retraction ring - RPET
- retrograde amalgam
- Retrograde amnesia
- retrograde aortography
- retrograde beat
- retrograde catheterization
- retrograde cholangiography
- retrograde conduction
- retrograde degeneration
- retrograde ejaculation
- retrograde extrasystole
- retrograde filling
- retrograde hernia
- Retrograde intrarenal surgery (RIRS)
- retrograde intussusception
- retrograde metamorphosis
- retrograde migration
- retrograde peristalsis
- retrograde pyelogram
- retrograde pyelography
- retrograde signaling
- retrograde transport
- retrograde urethrography
- retrograde urography
- retrography
- retrogression
- retrogressive
- retrohyoid bursa
- retroiliac ureter
- retroinfection
- retroinguinal space
- retroinhibition
- retroiridian
- retrojection
- retrojector
- retrolabyrinthine
- retrolental
- retrolental fibroplasia
- retrolenticular
- retrolenticular limb of internal capsule
- retrolentiform part of internal capsule
