Questiоn #46 is а twо pаrt questiоn. When аnswering each of the two parts of this question, please be sure to properly label your answers to include "1" and "2" so as to ensure your instructor can determine the individual answers to each of the two parts. If you do not label your answers to the individual parts of the question, then no credit shall be awarded. PART 1. Name the structures below labeled "A" and highlighted in blue. PART 2. Which hormone stimulates growth of the structures below labeled "A" and highlighted in blue?