Identify the muscle labeled N.  

 Identify the sensory structure labeled B.

 Identify the foramen at the tip of the arrow.

 Identify the bony landmark indicated by the letter A.

 Identify the bone in the photograph.

Identify the muscle labeled D.  

  Identify the cranial nerve root indicated by the letter C.

What muscle originates on the corcacoid process and glenoid fossa of the scapula?

On what joint does the highlighted muscle act?  

 Identify an origin of the highlighted muscle.