Thoracic diaphragm - Wikipedia
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 …
The Diaphragm: Anatomy and Function - Verywell Health
Dec 7, 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 …
What is the Diaphragm? Related Conditions - Cleveland Clinic
When you breathe in, your diaphragm contracts (tightens) and flattens, moving down towards your abdomen. This movement creates a vacuum in your chest, allowing your chest to expand (get …
Diaphragm | Definition, Function, & Location | Britannica
Dec 16, 2025 · diaphragm, dome-shaped, muscular and membranous structure that separates the thoracic (chest) and abdominal cavities in mammals; it is the principal muscle of respiration.
Diaphragm: Location, anatomy, innervation and function | Kenhub
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 …
The Diaphragm - Actions - Innervation - TeachMeAnatomy
Nov 6, 2025 · The diaphragm is located at the inferior-most aspect of the ribcage, filling the inferior thoracic aperture. It acts as the floor of the thoracic cavity and the roof of the …
Anatomy, Thorax, Diaphragm - StatPearls - NCBI Bookshelf
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.