rhombencephalic isthmus

Medical Dictionary

rhombencephalic isthmus rhom·ben·ce·phal·ic isthmus (rŏm'běn-sə-fāl'ĭk)
n.

  1. A narrow portion in the embryonic neural tube delineating the mesencephalon from the rhombencephalon.

  2. The anterior portion of the rhombencephalon that connects with the mesencephalon.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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