terminal crest

crista terminalis of right atrium

a vertical crest on the interior wall of the right atrium that lies to the right of the sinus of the vena cava and separates this from the remainder of the right atrium.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
This structure begins to regress during the second trimester leaving four remnants: the Eustachian valve (EV), the Thebesian valve, Chiari network and the terminal crest. Depending on the degree of regression, EV may be totally absent or it may appear as a thin flap originating from the orifice of the IVC.

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