- A collection of three things having something in common.
- The transverse tubule and the terminal cisternae on each side of it in skeletal muscle fibers.
- The father, mother, and child relationship projectively experienced in group psychotherapy.
Synonym(s): portal triad
[G. trias (triad-), the number 3, fr. treis, three]
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.