The thoracic diaphragm, or simply the diaphragm (/ ˈdaɪəfræm /; [1] Ancient Greek: διάφραγμα, romanized: diáphragma, lit. 'partition'), is a sheet of internal skeletal muscle [2] in humans and other mammals that extends across the bottom of the thoracic cavity.

Sep 19, 2023 · The diaphragm has two surfaces: thoracic and abdominal. The thoracic diaphragm is in contacts with the serous membranes of the heart and lungs; namely, the pericardium and pleura. The abdominal diaphragm is in direct contact with the liver, stomach, and spleen.

Jan 23, 2025 · The diaphragm is a dome-shaped muscle that separates the chest from the abdomen. This muscle, also called the thoracic diaphragm, is the main muscle used for breathing and is also involved in other bodily processes.

Jul 24, 2023 · The diaphragm in the thorax is called the thoracic diaphragm and serves as an important anatomical landmark that separates the thorax, or chest, from the abdomen. It functions during breathing when it contracts to enlarge the thoracic cavity and reduce the intrathoracic pressure so that lungs may expand and fill their alveoli with air.

Nov 20, 2024 · The diaphragm is a double-domed musculotendinous sheet, located at the inferior-most aspect of the rib cage. It serves two main functions: Separates the thoracic cavity from the abdominal cavity (the word diaphragm is derived from the Greek ‘diáphragma’, meaning partition).

Jan 16, 2025 · The diaphragm is a muscular partition that separates the thoracic cavity from the abdominal cavity in the human body. It is an important structure that plays a crucial role in respiration, as it is responsible for generating the negative pressure that …

Jun 28, 2024 · The diaphragm is a large, flat, double-domed sheet of muscle located in the thoracic region of the torso or body trunk. It separates the thoracic and abdominal cavities and serves as the primary muscles of respiration.

Sep 9, 2017 · The thoracic diaphragm is a large, flat muscle that plays a vital role in the respiratory system, and is located just beneath the two lungs, dividing the chest cavity from the abdominal cavity [1]. With its characteristic dome shape, it is the primary respiratory muscle, also supporting the lungs and heart [2] .

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 diaphragm, it serves as an important anatomical landmark that separates the thorax, or chest, from the abdomen.

Dec 30, 2018 · Several thoracic organs and vessels pass through apertures in the diaphragmatic surface. The importance of the diaphragm’s role in separating the abdominal from the intrathoracic contents is highlighted by the apertures in the diaphragm, through which a number of structures that span each of these cavities must pass.