Diaphragm

Musculus diaphragma

A musculotendinous dome-shaped partition separating the thoracic and abdominal cavities. It has sternal, costal, and lumbar origins converging on the central tendon. Three major openings transmit the aorta (T12), esophagus (T10), and inferior vena cava (T8).

種類 Muscle
器官系 Muscular
身体部位 Thorax
親構造 thoracic segment muscle
ラテン語名 Musculus diaphragma
FMA ID 13295

機能

The primary muscle of respiration. Contraction flattens the dome-shaped muscle, increasing thoracic volume and creating negative pressure to draw air into the lungs during inspiration.

臨床的意義

Diaphragmatic hernias allow abdominal organs to enter the thoracic cavity. Phrenic nerve paralysis causes diaphragmatic elevation. Hiccups result from involuntary diaphragmatic spasms.

よくある質問

What is the Diaphragm?
A musculotendinous dome-shaped partition separating the thoracic and abdominal cavities. It has sternal, costal, and lumbar origins converging on the central tendon. Three major openings transmit the aorta (T12), esophagus (T10), and inferior vena cava (T8).
What is the function of the Diaphragm?
The primary muscle of respiration. Contraction flattens the dome-shaped muscle, increasing thoracic volume and creating negative pressure to draw air into the lungs during inspiration.
What body system is the Diaphragm part of?
The Diaphragm is part of the Muscular.
What conditions affect the Diaphragm?
Diaphragmatic hernias allow abdominal organs to enter the thoracic cavity. Phrenic nerve paralysis causes diaphragmatic elevation. Hiccups result from involuntary diaphragmatic spasms.
Where is the Diaphragm located?
The Diaphragm is located in the Thorax region of the body.

関連構造

musculature muscle group tendon sheath synovial tendon sheath skeletal system set of all bones and joints orbital septum septum orbitale iliopsoas Hyrtl's muscle myocardium cardiac muscle conducting system of heart cardiac conducting system long head of biceps brachii capus longum of biceps brachii

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