retraction ring - RPET
- retropharyngeal space
- retropharyngitis
- retropharynx
- retroplacental
- retroplasia
- retroposed
- retroposition
- retroposon
- retroposterior lateral nucleus of spinal cord
- retropubic
- retropubic prevesical prostatectomy
- Retropubic prostatectomy
- retropubic space
- retropulsion
- retropyloric nodes
- retrorectal
- retrorectal space
- retrorenal
- retrorsine
- retrosigmoidal
- retrospection
- retrospective
- retrospective falsification
- retrospective study
- retrospondylolisthesis
- retrostalsis
- Retrosternal
- retrosternal hernia
- retrosternal pulse
- retrosternal thyroid
- retrosteroid
- retrosymphysial
- retrotarsal
- retrotarsal fold
- retrotonsillar abscess
- retrotonsillar fissure
- retrotorsion
- retrotransposon
- retrouterine
- retrouterine hematoma
