What surgical procedure would require the use of a rosen needle?

Define the term “apnea”

Name the large vessel labeled #18 in the picture above

Name the large cell in the middle of the picture. NOT the cells all around. 

Name the outer structure labeled Letter B 

Name the structure labeled #9

Name the group of blood vessels labeled #3

Name the outer structure labeled Letter B 

Name the structure labeled Letter C

Name the corner structure/region labeled Letter A. Just that specific region.