CHAPTER 1 Anatomic Terms
23.e4
fl
uid. The smooth pleural surfaces are lubricated by the
pleural fl uid to ensure that the two surfaces slide over
each other easily during breathing. If the pleural surfaces
painful.
CAUDAL ABDOMINAL CAVITY
The abdominal cavity is lined by a thin membrane called the
peritoneum , which also covers its contents. The visceral layer
of peritoneum covers the abdominal organs, and the parietal
layer lines the abdominal cavity. As in the thorax, a potential
B. DORSAL BODY CAVITY
Central nervous system
brain and spinal cord
heart, lungs, esophagus, blood vessels
Caudal abdominal cavity
digestive, urinary and reproductive organs
C. THORACIC BODY CAVITY
All of the organs in the thoracic cavity are covered by a thin
membrane called the pleura. Even the cavity itself is lined by