Diaphragm

**Definition:** The musculofibrous partition that separates the THORACIC CAVITY from the ABDOMINAL CAVITY. Contraction of the diaphragm increases the volume of the thoracic cavity aiding INHALATION.

**Tree numbers:** - A01.923.112.250 - A02.633.567.900.300

**Synonyms:** - Respiratory Diaphragm