triad

triad definition - medical

tri·ad (trīˈădˌ, -əd)

noun
  1. A collection of three things or symptoms having something in common.
  2. The transverse tubule, and the terminal cisternae on each side of it, in a skeletal muscle fiber.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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