ANATOMY - Mammalian Body Plan

Question 1

What are the three mammalian body cavities?

Answer 1

Thoracic cavity
Abdominal cavity
Pelvic cavity

Question 2

What are the boundaries of the thoracic cavity?

Answer 2

Dorsal: Thoracic vertebrae
Lateral: Ribcage
Ventral: Sternum
Cranial: Thoracic inlet
Caudal: Diaphragm

Question 3

What are the boundaries of the abdominal cavity?

Answer 3

Dorsal: Lumbar vertebrae
Lateral: Abdominal wall
Ventral: Abdominal wall
Cranial: Diaphragm
Caudal: Pelvic inlet

Question 4

What are the boundaries of the pelvic cavity?

Answer 4

Dorsal: Sacral vertebrae
Lateral: Pelvic bones
Ventral: Pelvic bones
Cranial: Pelvic inlet
Caudal: Pelvic diaphragm and perineum