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parotid gland
The largest of the salivary glands, located inferior & anterior to the ear on either side.
Distribution:
It extends from:
a) inferiorly: the angle of the jaw
b) superiorly: zygomatic arch
c) posteriorly: sternocleidomastoid
d) medially: into the infratemporal fossa, deep to the ramus of the mandible
Structure:
- the parotid gland is enclosed within a capsule
- it is subdivided into the pars superficialis & pars profunda by branches of the facial nerve (CN VII).
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Function:
- the parotid gland drains into the parotid duct, secretes saliva into the oral cavity after parasympathetic stimulation
Innervation:
- postganglionic parasympathetic fibers from the otic ganglion innervate the parotid gland.
Related
otic ganglion
parotid duct (Stensen canal)
parotitis
General
salivary gland
References
- Stedman's Medical Dictionary 27th ed, Williams &
Wilkins, Baltimore, 1999
- Wilson M, Pandey S
StatPearls. NCBI Bookshelf. Aug 28, 2022
https://www.ncbi.nlm.nih.gov/books/NBK560735/
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