Crista terminalis

Crista terminalis
Interior of the heart, frontal view (crista terminalis labeled on the left, second from the top)
Details
Identifiers
Latincrista terminalis atrii dextri
TA98A12.1.01.003
TA24025
FMA9236
Anatomical terminology

The crista terminalis (also known as the terminal crest, or crista terminalis of His) is a vertical ridge on the: 56  posterolateral inner surface of the adult right atrium extending between the superior vena cava, and the inferior vena cava.: 56  The crista terminalis denotes where the junction of the embryologic sinus venosus and the right atrium occurred during embryonic development. It forms a boundary between the rough: 56  trabecular portion and the smooth, sinus venosus-derived portion (sinus venarum) of the internal surface of the right atrium. The sinoatrial node is located within the crista terminalis.: 56 

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