counterstain

counterstain definition - medical

coun·ter·stain (kounˈtər-stānˌ)

noun
A stain of a contrasting color used to color the components in a microscopic specimen that are not made visible by the principal stain.

Related Forms:

  • countˈer·stainˌ verb

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

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.