 A patient has a loss of sensation over the deltoid. Where's the lesion? The lesion's at C5. What is the most medial structure in the cubital fossa? Cubal fossa. That's your elbow. B-A-N nerve. It's not all nerve. Median nerve. The urogenital system develops from the intermediate mesoderm. The trapezoid line is found on which of the following bones? Clavicle, ulna, radius, or scapula? Clavicle? Where is the cornoid process found? I'm going to say the mandible.