NEET PG DENTAL EXAM

Detailed explanation-1: -The diaphragm separates the abdominal and thoracic cavities but does allow certain structures to pass through via its three openings: The inferior vena cava passes through the diaphragm at the vena caval foramen.

Detailed explanation-2: -Body Cavities The two main cavities are called the ventral and dorsal cavities. The ventral is the larger cavity and is subdivided into two parts (thoracic and abdominopelvic cavities) by the diaphragm, a dome-shaped respiratory muscle.

Detailed explanation-3: -The diaphragm is an upward curved, c-shaped structure of muscle and fibrous tissue that separates the thoracic cavity from the abdomen. The superior surface of the dome forms the floor of the thoracic cavity, and the inferior surface the roof of the abdominal cavity.