Salivary Glands Anatomy and Function
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Questions and Answers

Where does the major duct of the parotid gland (Stensen’s duct) open?

  • Vestibule of the mouth opposite the crown of the upper second molar tooth (correct)
  • Floor of the mouth paramedian to the frenulum
  • Tongue
  • Buccal mucosa

    • Which salivary gland is primarily serous and secretes watery saliva?

  • Sublingual gland
  • Minor salivary glands
  • Parotid gland (correct)
  • Submandibular gland

    • Which salivary gland is ectodermal in origin?

  • Minor salivary glands
  • Sublingual gland
  • Parotid gland (correct)
  • Submandibular gland

    • Which salivary gland represents the largest of the salivary glands?

    <p>Parotid gland</p> Signup and view all the answers

    Where does the submandibular duct (Wharton’s duct) open?

    <p>Floor of the mouth paramedian to the frenulum</p> Signup and view all the answers

    What is the function of the parotid gland?

    <p>Primarily serous secretion and watery saliva production</p> Signup and view all the answers

    The parotid gland secretes primarily mucinous saliva.

    <p>False</p> Signup and view all the answers

    The sublingual glands are primarily ectodermal in origin.

    <p>False</p> Signup and view all the answers

    The sublingual glands are situated mainly in the buccal mucosa and palate.

    <p>False</p> Signup and view all the answers

    The major duct of the parotid gland (Stensen’s duct) opens into the floor of the mouth.

    <p>False</p> Signup and view all the answers

    The submandibular gland represents the largest of the salivary glands.

    <p>False</p> Signup and view all the answers

    The salivary glands have a role in maintaining pH, tooth mineralization, and influencing the oral microbiome.

    <p>True</p> Signup and view all the answers

    Which salivary gland is primarily serous and secretes watery saliva?

    <p>Parotid gland</p> Signup and view all the answers

    Where does the major duct of the submandibular gland (Wharton’s duct) open?

    <p>Floor of the mouth</p> Signup and view all the answers

    Which cranial nerves are involved in the location of the parotid gland?

    <p>11th and 12th cranial nerves</p> Signup and view all the answers

    Which salivary glands are situated mainly in the lips, buccal mucosa, tongue, and palate?

    <p>Minor salivary glands</p> Signup and view all the answers

    Which salivary gland represents the largest of the salivary glands?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland is endodermal in origin?

    <p>Submandibular gland</p> Signup and view all the answers

    Which salivary gland is most commonly associated with a low-grade malignant tumor called acinic cell carcinoma?

    <p>Parotid gland</p> Signup and view all the answers

    What is the most common site for salivary tumors, which are slow-growing and painless?

    <p>Below the ear</p> Signup and view all the answers

    Which salivary gland has the major functional component (80%) in the superficial lobe and the deep lobe usually being the retromandibular component with minimal functional gland tissue?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland can present with multiple parotid cysts as a symptom of HIV, resembling symptoms of Sjogren's syndrome in adults?

    <p>Parotid gland</p> Signup and view all the answers

    In which salivary gland might one find a tumor arising as a parapharyngeal mass, leading to difficulty in swallowing and snoring?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland is commonly affected by obstructive parotitis, which can lead to stone formation and may require sialography for diagnosis?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland may develop abscesses due to bacterial infections, with common culprits being Staphylococcus and Streptococcus viridians?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland is primarily divided into superficial and deep lobes by the facial nerve?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland can be affected by recurrent parotitis of childhood, with symptoms typically appearing between the ages of 3-6 years?

    <p>Parotid gland</p> Signup and view all the answers

    Which salivary gland is most commonly associated with viral infections such as mumps, presenting with predromal symptoms lasting 1-2 days and resolving within 5-10 days?

    <p>Parotid gland</p> Signup and view all the answers

    Study Notes

    Salivary Glands

    • The major duct of the parotid gland (Stensen's duct) opens into the floor of the mouth.
    • The parotid gland is primarily serous and secretes watery saliva.
    • The parotid gland is not mucinous, contrary to the statement.
    • The submandibular gland does not represent the largest of the salivary glands; the parotid gland does.
    • The submandibular duct (Wharton's duct) opens into the floor of the mouth.
    • The function of the parotid gland is to maintain pH, facilitate tooth mineralization, and influence the oral microbiome.
    • The sublingual glands are not primarily ectodermal in origin; they are mixed.
    • The sublingual glands are situated mainly in the sublingual caruncle and anterior floor of the mouth, not in the buccal mucosa and palate.

    Characteristics of Salivary Glands

    • The parotid gland is ectodermal in origin.
    • The parotid gland represents the largest of the salivary glands.
    • The cranial nerves involved in the location of the parotid gland are the facial nerve and the auriculotemporal nerve.
    • The minor salivary glands are situated mainly in the lips, buccal mucosa, tongue, and palate.
    • The sublingual glands are primarily mucous and mixed in nature.

    Pathology of Salivary Glands

    • The parotid gland is most commonly associated with a low-grade malignant tumor called acinic cell carcinoma.
    • The most common site for salivary tumors, which are slow-growing and painless, is the parotid gland.
    • The parotid gland has the major functional component (80%) in the superficial lobe and the deep lobe usually being the retromandibular component with minimal functional gland tissue.
    • The parotid gland can present with multiple parotid cysts as a symptom of HIV, resembling symptoms of Sjogren's syndrome in adults.
    • A tumor in the parotid gland might arise as a parapharyngeal mass, leading to difficulty in swallowing and snoring.
    • The submandibular gland is commonly affected by obstructive parotitis, which can lead to stone formation and may require sialography for diagnosis.
    • The parotid gland may develop abscesses due to bacterial infections, with common culprits being Staphylococcus and Streptococcus viridians.
    • The parotid gland is primarily divided into superficial and deep lobes by the facial nerve.
    • The parotid gland can be affected by recurrent parotitis of childhood, with symptoms typically appearing between the ages of 3-6 years.
    • The parotid gland is most commonly associated with viral infections such as mumps, presenting with prodromal symptoms lasting 1-2 days and resolving within 5-10 days.

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    Test your knowledge about the anatomy and function of salivary glands. Learn about the major and minor salivary glands, their locations, and their role in maintaining oral health.

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