There are multiple definitions:

1. tapetoretinal degeneration(English)

   • Ophthalmology

2. transition duration(English)

   • PRI, SDF, TRT

3. treatment resistant depression(English)

   • Depression

4. tongue retaining device(English)

   • improves upper airway potency by anteriorly displacing the tongue with suction forces while patients sleep
   • CPAP, MRA, OSA
   • Sleep medicine
   • https://doi.org…55/2018/2157974

5. traction retinal detachment(English)

   • the separation of the neurosensory retina from the underlying retinal pigment epithelium due to the traction resulting from membranes in the vitreous or over the retinal surface. The second most common type of retinal detachment after a rhegmatogenous retinal detachment
   • RRD
   • Ophthalmology, Injury
   • https://www.ncb…ooks/NBK558952/