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Questions and Answers
Which salivary gland is the smallest?
Which salivary gland is the smallest?
- Submandibular gland
- Minor salivary glands
- Sublingual gland (correct)
- Parotid gland
Which nerve carries the postganglionic parasympathetic fibers to the parotid gland?
Which nerve carries the postganglionic parasympathetic fibers to the parotid gland?
- Auriculotemporal
- Lesser petrosal nerve (correct)
- Chorda tympani
- Tympanic nerve
In a patient with tense swelling and tenderness below the body of the mandible, which duct is affected?
In a patient with tense swelling and tenderness below the body of the mandible, which duct is affected?
- Sublingual
- Minor salivary ducts
- Parotid
- Submandibular (correct)
Which salivary gland produces a mixed serous & mucous secretion?
Which salivary gland produces a mixed serous & mucous secretion?
What is the predominant character of saliva produced by the parotid gland?
What is the predominant character of saliva produced by the parotid gland?
Where is the parotid gland positioned?
Where is the parotid gland positioned?
What is the shape of the parotid gland?
What is the shape of the parotid gland?
What type of acini forms the parotid gland?
What type of acini forms the parotid gland?
Which salivary gland is the largest?
Which salivary gland is the largest?
What structures wedge the parotid gland?
What structures wedge the parotid gland?
Which glands are predominantly located in the submucosa of the oral cavity?
Which glands are predominantly located in the submucosa of the oral cavity?
What is the innervation of the parotid gland?
What is the innervation of the parotid gland?
Which salivary glands produce saliva that is predominantly mucous in character?
Which salivary glands produce saliva that is predominantly mucous in character?
Which salivary gland is located in the cheek and consists of superficial and deep parts?
Which salivary gland is located in the cheek and consists of superficial and deep parts?
What is the length of the Parotid Duct (of Stensen)?
What is the length of the Parotid Duct (of Stensen)?
Which structure is the most superficial in the parotid gland?
Which structure is the most superficial in the parotid gland?
What does the retromandibular vein drain into?
What does the retromandibular vein drain into?
Which artery supplies blood to the parotid gland?
Which artery supplies blood to the parotid gland?
Where does lymphatic drainage from the parotid gland occur?
Where does lymphatic drainage from the parotid gland occur?
Which salivary gland is predominantly formed of serous acini?
Which salivary gland is predominantly formed of serous acini?
Where is the parotid gland positioned in relation to the mandible?
Where is the parotid gland positioned in relation to the mandible?
Which nerve provides innervation to the parotid gland?
Which nerve provides innervation to the parotid gland?
Which vein does the retromandibular vein drain into?
Which vein does the retromandibular vein drain into?
How is the submandibular gland innervated?
How is the submandibular gland innervated?
What is responsible for dividing the parotid gland into superficial and deep parts?
What is responsible for dividing the parotid gland into superficial and deep parts?
Which salivary gland is the smallest?
Which salivary gland is the smallest?
Which nerve carries the postganglionic parasympathetic fibers to the parotid gland?
Which nerve carries the postganglionic parasympathetic fibers to the parotid gland?
In a patient with tense swelling and tenderness below the body of the mandible, which duct is affected?
In a patient with tense swelling and tenderness below the body of the mandible, which duct is affected?
Which of the following is the predominant character of saliva produced by the parotid gland?
Which of the following is the predominant character of saliva produced by the parotid gland?
Study Notes
- Parotid Gland: located in the cheek, consists of superficial and deep parts, divided by the facial nerve.
- Parotid Duct (of Stensen): 5 cm long, opens into the vestibule of the mouth, runs on the masseter muscle, pierces the buccinators muscle.
- Facial Nerve: most superficial structure in the parotid gland, divides it into superficial and deep parts, gives 5 branches within the gland.
- Retromandibular Vein: within the gland, formed by the union of maxillary and superficial temporal veins, divides into anterior and posterior branches, drains into the internal jugular vein (anterior branch) and external jugular vein (posterior branch).
- External Carotid Artery: deepest structure in the parotid gland, divided into maxillary and superficial temporal arteries, supplies the gland with blood.
- Parotid Gland: blood supply is by the external carotid artery, venous drainage is through the retromandibular vein, and lymphatic drainage is to the parotid (preauricular) lymph nodes.
- Parotid Gland: innervated by parasympathetic fibers (secretomotor) from the inferior salivary nucleus, passing through the glossopharyngeal nerve, tympanic plexus, and lesser petrosal nerve, reaching the otic ganglion.
- Submandibular Gland: located deep to the body of the mandible, consists of a large superficial part and a small deep part, the duct (of Wharton) emerges from the deep part, and can be palpated through the floor of the mouth alongside the tongue.
- Submandibular Gland: blood supply is by the facial artery, venous drainage is through the facial vein, and lymphatic drainage is to the submandibular lymph nodes.
- Submandibular Gland: prone to calculus formation, diagnosis involves finding a tense swelling below the body of the mandible, which is greatest before or during a meal and reduced in size between meals, with absence of saliva ejection from the affected gland's duct orifice and possible stone palpation in the duct.
- Sublingual Gland: smallest of the three salivary glands, located below the mucous membrane of the floor of the mouth, almond-shaped, contains multiple sublingual ducts that open into the summit of the sublingual fold or submandibular duct, and is supplied with blood by the facial artery and drained by the facial vein and submandibular lymph nodes.
- Ranula: mucus extravasation cyst involving the sublingual gland, found on the floor of the mouth.
- Sublingual and Submandibular glands: innervated by sympathetic fibers from the plexus around the facial artery and parasympathetic fibers from the superior salivary nucleus of the facial nerve, which pass to the submandibular ganglion via the chorda tympani and lingual nerve.
- MCQs: various questions testing the knowledge of the structures discussed in the text.
Note that some of the bullet points are repeated for clarity and completeness.
- Parotid Gland: located in the cheek, consists of superficial and deep parts, divided by the facial nerve.
- Parotid Duct (of Stensen): 5 cm long, opens into the vestibule of the mouth, runs on the masseter muscle, pierces the buccinators muscle.
- Facial Nerve: most superficial structure in the parotid gland, divides it into superficial and deep parts, gives 5 branches within the gland.
- Retromandibular Vein: within the gland, formed by the union of maxillary and superficial temporal veins, divides into anterior and posterior branches, drains into the internal jugular vein (anterior branch) and external jugular vein (posterior branch).
- External Carotid Artery: deepest structure in the parotid gland, divided into maxillary and superficial temporal arteries, supplies the gland with blood.
- Parotid Gland: blood supply is by the external carotid artery, venous drainage is through the retromandibular vein, and lymphatic drainage is to the parotid (preauricular) lymph nodes.
- Parotid Gland: innervated by parasympathetic fibers (secretomotor) from the inferior salivary nucleus, passing through the glossopharyngeal nerve, tympanic plexus, and lesser petrosal nerve, reaching the otic ganglion.
- Submandibular Gland: located deep to the body of the mandible, consists of a large superficial part and a small deep part, the duct (of Wharton) emerges from the deep part, and can be palpated through the floor of the mouth alongside the tongue.
- Submandibular Gland: blood supply is by the facial artery, venous drainage is through the facial vein, and lymphatic drainage is to the submandibular lymph nodes.
- Submandibular Gland: prone to calculus formation, diagnosis involves finding a tense swelling below the body of the mandible, which is greatest before or during a meal and reduced in size between meals, with absence of saliva ejection from the affected gland's duct orifice and possible stone palpation in the duct.
- Sublingual Gland: smallest of the three salivary glands, located below the mucous membrane of the floor of the mouth, almond-shaped, contains multiple sublingual ducts that open into the summit of the sublingual fold or submandibular duct, and is supplied with blood by the facial artery and drained by the facial vein and submandibular lymph nodes.
- Ranula: mucus extravasation cyst involving the sublingual gland, found on the floor of the mouth.
- Sublingual and Submandibular glands: innervated by sympathetic fibers from the plexus around the facial artery and parasympathetic fibers from the superior salivary nucleus of the facial nerve, which pass to the submandibular ganglion via the chorda tympani and lingual nerve.
- MCQs: various questions testing the knowledge of the structures discussed in the text.
Note that some of the bullet points are repeated for clarity and completeness.
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Description
Test your knowledge of the anatomy of the salivary glands including the Parotid, Submandibular, and Sublingual glands. Learn about their positions, shapes, structures, innervation, ducts, and more.