Right auricular appendix
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| Right auricular appendix | |
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| Heart seen from above. (Right auricula labeled at upper right.) | |
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| Sternocostal surface of heart. (Right auricula visible at upper left.) | |
| Latin | auricula dextra |
| Gray's | subject #138 529 |
| Dorlands/Elsevier | a_73/12169666 |
The right auricular appendix (right auricula, right auricle) is a small conical muscular pouch attached to the right atrium of the heart. Its margins present a dentated edge. It projects from the upper and front part of the sinus forward and toward the left side, overlapping the root of the aorta.
The right auricle, along with the right atrial body, is lined with pectinate muscles that form a network of hills and furrows that give it a trabeculated surface.
In older texts, the term "right auricle" was often used to describe the structure now known as the right atrium.
[edit] See also
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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 As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.
