Valve Between the Left Atrium and Left Ventricle
This page is the CodyCross answer for the clue below from Prehistory, Group 1252, Puzzle 3 (Ancient Tribes).
Question is: Valve Between the Left Atrium and Left Ventricle
and the answer is: MITRAL
Word Meaning:
MITRAL — Pertaining to a mitre; resembling a mitre.
Definitions from Wiktionary.