<prompt> Parotid glands are supplied by branches from:Internal carotid aeryExternal carotid aeryBoth of the aboveNone of the above  <response>: The aerial supply to the parotid gland is from the external carotid aery and its branches within and near the gland. The veins drain to the external jugular vein local tributaries. Ref: Grays anatomy 40th edition, Chapter 29 