Apr 4, 2026 · Diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic and abdominal cavities in mammals; it is the principal muscle of respiration.

The diaphragm plays a critical role in the respiratory system. When you breathe in, your diaphragm contracts (tightens) and flattens, moving down towards your abdomen.

Mar 29, 2026 · The diaphragm is a dome-shaped muscle separating the chest from the abdomen. It is the main muscle used for breathing and is involved in other functions.

While the diaphragm is one muscle, it is composed of two distinct muscle regions: the costal, which serves as the driver in the work of breathing, and crural diaphragm, which serves as an "anchor;" …

Sep 19, 2023 · The diaphragm is much more than just a sheath separating your thoracic and abdominal cavities. This article will examine this intricate and crucial muscle in detail, looking at its anatomy, …

Apr 21, 2026 · The diaphragm is a double-domed sheet of skeletal muscle, located at the inferior-most aspect of the rib cage. It separates the thoracic cavity from the abdominal cavity.

The diaphragm is a sheet of skeletal muscle situated at the base of the chest, serving as the primary engine for the body’s respiratory system. This muscle separates the thoracic cavity, containing the …

2 days ago · The diaphragm is the dome-shaped sheet of muscle and tendon that serves as the main muscle of respiration and plays a vital role in the breathing process. Also known as the thoracic …

The diaphragm is a dome-shaped, musculotendinous structure that acts as the primary muscle of respiration. It separates the thoracic cavity from the abdominal cavity and contracts rhythmically and …

🧠 What Is the Diaphragm? The diaphragm is a large, thin, dome-shaped muscle located at the bottom of the rib cage, separating the chest cavity (where the lungs and heart are) from the abdominal cavity. …