Explain the spatial relationship between the following: thoracic cavity, pericardial cavity, ventral cavity, mediastinum.
Explain the spatial relationship between the following: thoracic cavity, pericardial cavity, ventral cavity, mediastinum. Answer: The pericardial cavity is a potential space between membranes that reside within the mediastinum. The mediastinum sits medially within the thoracic cavity. The thoracic cavity is the superior portion of the ventral body cavity.