| auricula atrialis | A small conical ("ear-shaped") pouch projecting from the upper anterior portion of each atrium of the heart, increasing slightly the atrial volume. See: auricle of left atrium, auricle of right atrium. Synonym: auricula atrialis, atrial auricle, atrial auricula, auricle, auricula, auricular appendage, auricular appendix, skin tag. (05 Mar 2000) |
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| atrial auricula | A small conical ("ear-shaped") pouch projecting from the upper anterior portion of each atrium of the heart, increasing slightly the atrial volume. See: auricle of left atrium, auricle of right atrium. Synonym: auricula atrialis, atrial auricle, atrial auricula, auricle, auricula, auricular appendage, auricular appendix, skin tag. (05 Mar 2000) |
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| auricula | Origin: L. Auricula. See Auricle. 1. <botany> (a) A species of Primula, or primrose, called also, from the shape of its leaves, bear's-ear. A species of Hirneola (H. Auricula), a membranaceous fungus, called also auricula Judae, or Jew's-ear. 2. <marine biology> A genus of air-breathing mollusks mostly found near the sea, where the water is brackish One of the five arched processes of the shell around the jaws of a sea urchin. (19 Mar 1998) |
| auricula dextra | The small conical projection from the right atrium of the heart. Synonym: auricula dextra, right auricular appendage. (05 Mar 2000) |
| auricula sinistra | The small conical projection from the left atrium of the heart. Synonym: auricula sinistra, left auricular appendage. (05 Mar 2000) |