Crista terminalis
Interior of the heart, frontal view. (Crista terminalis labeled at left, second from the top.)
Latin	crista terminalis atrii dextri
Gray's	subject #135 509

In the development of the human heart, the right horn and transverse portion of the sinus venosus ultimately become incorporated with and form a part of the adult right atrium. The line of union between the right atrium and the right auricle is present on the interior of the atrium in the form of a vertical crest, known as the crista terminalis of His (Wilhelm His, Jr.). On the external aspect of the right atrium, corresponding to the crista terminalis is the sulcus terminalis.

[edit] See also

• Sinoatrial node

[edit] External links

• 93978682 at GPnotebook
• SUNY Labs 20:13-0106 - "Heart: Chamber of Right Atrium"
• Atlas of anatomy at UMich ht_rt_atrium - "Right atrium, internal structure, anterior view"
• Diagram at ctsnet.org

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained within it may be outdated.