Unit 3 - Thorax, Abdomen, Pelvis, and Perineum: Thoracic Apertures (Ex. III)

Question 1

I thoracic aperture (thoracic outlet)

Answer 1

bounded by:
  - T12 vertebra
  - 11th and 12th ribs
  - costal margin
  - xiphoid process
closed by muscular diaphragm - separated thoracic cavity from abdominal cavity

Question 2

S thoracic aperture (thoracic inlet)

Answer 2

bounded by:
  - T1 vertebra
  - 1st ribs
  - manubrium
allows thorax to communicate w/ neck