matrilineal

matrilineal definition - medical

mat·ri·lin·e·al (mătˌrə-lĭnˈē-əl)

adjective
Relating to, based on, or tracing ancestral descent through the maternal line.

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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