What is the diaphragm?
Last updated
Reviewed by Jason Burns, Editor · Licensed under Citation License 1.0
The the diaphragm is called the diaphragm. Gray's Anatomy (1918) describes it as a dome-shaped sheet of muscle and tendon.
Summary
The the diaphragm is called the diaphragm. Gray's Anatomy (1918) describes it as a dome-shaped sheet of muscle and tendon.
What it is
- A dome-shaped sheet of muscle and tendon.
- The chief muscle of respiration.
- Flattens on contraction, drawing air into the lungs.
Where it is
- Between the chest cavity and the abdominal cavity.
- Attached to the lower ribs, sternum, and lumbar vertebrae.
- Pierced by the esophagus, aorta, and inferior vena cava.
Sources
According to Gray's Anatomy of the Human Body (1918, public domain):
Last verified:
Canonical: https://bestanatomyquestions.com/answers/what-is-the-diaphragm-muscle · Markdown twin