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22 Cards in this Set
- Front
- Back
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The parotid gland lies where?
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Just underneath the skin anterior (in front of) to the ear
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What does the Parotid gland cover?
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It covers the TMJ (tempormandibular joint) and the ramus of the mandible
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What is the largest salivary gland in the human body?
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The parotid gland
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What is the 3-dimensional space called that the parotid gland occupies?
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The parotid bed
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What are the boundaries of the parotid bed?
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Posterior-mastoid process
Medial-styloid process Anterior-Medial pterygoid and the masseter muscles |
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What are the contents of the parotid bed?
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PEEP
Parts of the trigeminal nerve CN V External juggular vein and some of its tributaries External carotid artery and some of its branches Part of the facial nerve CN VII |
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What is the dividing line between the superficial and deep parotid gland?
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The facial nerve and its branches
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The superficial part of the parotid gland covers what?
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Covers most of the masseter muscle and extends anteriorly along the parotid duct
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What is contained within the deep part of the parotid gland?
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The external carotid artery with several of its branches, the retromandibular vein with some of its tributaries and the auriculotemporal nerve, which is a branch of the trigeminal nerve CN V
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What muscle does the parotid duct pierce?
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The Buccinator muscle in the cheek
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The parotid gland courses superficially over what muscle?
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The masseter muscle!
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The parotid duct opens into what?
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The vestibule of the oral vestibule adjacent to the second upper molar tooth
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Stimulation of what results in reduced salivary secretions of the parotid gland?
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Sympathetic nerves due to constriction of vessels that supply the parotid gland
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What cranial nerve is responsible for stimulation of increased secretion of saliva in the parotid gland?
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Glossopharyngeal nerve (CN IX) the parasympathetic fibers within it
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What is the parotid gland covered by that does not allow much room for expansion during swelling of the parotid gland?
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dense connective tissue capsule
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What happens when the parotid gland swells?
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It compresses the auriculotemporal nerve and much pain results!!!!!
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How is a benign tumor of the parotid gland removed?
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very carefully in order not to injure the facial nerve?
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How is a malignant tumor of the parotid gland removed?
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The parotid gland and all its contents are removed, including the facial nerve!
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What is the arterial supply to the parotid gland?
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PST
P-posterior auricular artery S-Superficial temporal artery T-transverse facial artery |
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What is the venous drainage for the parotid gland?
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Tributaries to the retromandibular vein
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The lymph in the parotid gland is drained to where?
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1. Superficial cervical lymph nodes located adjacent to the external juggular vein
2. Deep cervical lymph nodes located adjacent to the internal juggular veins |
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What 2 nerves supply sensory innervation to the parotid gland?
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1. great auricular nerve which is a branch of the cervical plexus
2. auriculotemporal nerve which is a branch of the trigeminal nerve CN V |
