Parotid Region Short Essay Question And Answers

Describe the relations, blood supply, nerve supply & applied anatomy of parotid gland (or) Parotid duct (or) Give secretomotor nerve supply of parotid gland
Answer:

Parotid Gland  Relations:

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Parotid Gland Blood Supply:

• Parotid gland is supplied by external carotid artery & its branches
• The veins drains into

1. 1. External jugular vein
   2. Internal jugular vein

Parotid Gland Nerve Supply:

1. Parasympathetic nerves:

• They are Secretomotor
• They pass through following pathway

2. Sympathetic nerves:

• They are vasomotor
• They are derived from plexus around middle meningeal artery

3. Sensory nerves:

• Gland receives sensory supply from Auriculotemporal nerve
• While parotid fascia is supplied by sensory fibres of great
  auricular nerve

Parotid Gland Applied Anatomy:

• Parotid swelling are very painful due to unyielding nature of the parotid fascia
• Parotid gland can be infected by the mumps virus
• It causes bilateral parotid swelling
• Its complications are Orchitis & pancreatitis
• Spread of infection from the oral cavity can result in parotid abscess
• It is best drained by Hilton’s method
• During parotidectomy, the gland is removed in two parts- superficial & deep
• It is to preserve facial nerve
• Frey’s syndrome is the complication of parotidectomy
• Mixed parotid tumour is slow growing, painless & lobulated
• Its malignant transformation causes pain, rapid growth, fixation & involves facial nerve.