<prompt> True statements about parotid glandDuct opens oppsite to upper 2nd molar toothDuct pierces MasseterDevelops from ectodermSecretomotor fibres come from facial nerve  <response>: The duct runs forwards for a sho distance between the buccinator and the oral mucosa. Finally, the duct turns medically and opens into the vestibule of the mouthgingivobuccal vestibuleopposite the crown of the upper second molar tooth. Notes: Parotid abscess may be caused by spread of infection from the opening of parotid duct in the mouth cavity. 