Not TRUE statement regarding parotid gland is/are?
Ans. is 'a' i.e., Deep lobe contains deep lymphatics Development:Parotid gland is the first salivary gland to appear, in early 6' week.It is ectodermal in origin and develops from the buccal epithelium just lateral to the angle of mouthStructures emerging from parotidThe following structures emerge from the parotid gland:Anterior border:Parotid duct3 Terminal branches of facial nerve:The zygomatic and buccal branches: toward the temporal region, eyelids and cheek, respectively.Mandibular branch : Run along the body of the mandibletowards the mouthApex:5th terminal branch of facial nerve: Cervical branch continues into the neck (to platysma).Anterior & posterior divisions of retromandibular veinPosterior border:Posterior auricular nervePosterior auricular aeryPosterior auricular veinAlong base:superficial temporal aerytemporal branch of facial nerveAuriculotemporal nerveSTRUCTURES WITHIN GLAND:Aeries:External carotid aery enters through posteromedial surfaceMaxillary aerySuperficial temporal vesselPosterior auricular aeryVeins:The retromandibular veins Facial NerveParotid Duct (Stenson's duct)The duct turns opens into the vestibule of the mouth (gingivo- buccal vestibule) opposite the crown of the upper 2nd molar toothNerve supply:PARASYMPATHETIC:auriculo temporal nerveSYMPTHETIC SUPPLY- plexus around the external carotid aery.SENSORY NERVES: auriculotemporal nerve, except for parotid fascia & overlying skin which are innervated by Great auricular nerve (C2, C3).
Deep lobe contains deep lymphatics
Divided into superficial and deep lobes by facial nerve
Parotid duct opens opposite to the second upper molar
Ectodermal in origin