Atrium Cordis (Noun)
Meaning
The upper chamber of each half of the heart.
Classification
Nouns denoting body parts.
Examples
- The atrium cordis is a thin-walled chamber that receives blood returning to the heart through the veins.
- The atrium cordis is divided into two chambers, the right atrium and the left atrium, which are separated by a thin wall of tissue.
- During fetal development, the atrium cordis is formed from the fusion of two embryonic structures, the left and right atrial primordia.
- The atrium cordis plays a crucial role in regulating blood pressure and flow through the heart by contracting and relaxing in a rhythmic manner.
- In the adult heart, the atrium cordis is a relatively small chamber compared to the ventricles, but it is essential for maintaining proper cardiac function.