Salivary Glands Anatomy Quiz
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Questions and Answers

Facial nerve (VII) gives off ________.

chorda tympani

The sense of taste to the caudal third of the tongue is carried by the ________ nerve.

glossopharyngeal

Trigeminal nerve gives off ________ nerve, which gives off lingual nerve.

mandibular

The motor innervation to the intrinsic and extrinsic lingual muscles is carried by ________ nerve (XII).

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

Major salivary glands are located some distance from the oral cavity and empty their secretion via ________ duct.

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

Match the salivary gland with its location:

<p>Parotid salivary gland = Located near the ear Sublingual salivary gland = Situated more caudally but rostral to mandibular salivary gland Mandibular salivary gland = Located near the mandible Sublingual caruncle = Function as a mucosal fold near the frenulum of the tongue</p> Signup and view all the answers

Match the description with the sublingual salivary glands:

<p>Major sublingual gland (monostomatic) = Drained by a single duct and shares opening with mandibular salivary gland Diffuse minor sublingual gland (polyostomatic) = Opens through several smaller ducts in the lateral sublingual recesses Sublingual glands' secretion = Serous-mucoid with dominance of the mucous part Sublingual caruncle function = Provides a common opening for sublingual and mandibular salivary glands</p> Signup and view all the answers

Match the features with the mandibular salivary gland duct anatomy:

<p>Mandibular duct location = Passes ventral to the mucosa of the floor of the oral cavity, medial to mandible Mandibular duct opening = Opens with the major sublingual duct near the sublingual caruncle or frenulum Mandibular duct secretion = Mixed (serous-mucous) secretion switching between two types Absence in horse = Major sublingual salivary gland</p> Signup and view all the answers

Match the structures with their functions in oral cavity:

<p>Vestibule = Part of oral cavity located between lips/cheeks and teeth/gums Labial vestibule = Specific part of vestibule near lips Buccal vestibule = Specific part of vestibule near cheeks Dental pad = Present in upper jaw of ruminants only</p> Signup and view all the answers

Match the terms with their meanings:

<p>Monostomatic sublingual gland = Major sublingual gland drained by a single duct Polyostomatic sublingual gland = Diffuse minor sublingual gland with multiple smaller ducts Serous-mucoid secretion = Combination of serous and mucous components in saliva production Mandibular salivary gland location = Near the mandible</p> Signup and view all the answers

Match the anatomy with their description in relation to oral cavity:

<p>Mouth = General term for oral cavity entrance Lips = Surrounding structures that aid in food intake and speech Tongue = Muscular organ involved in taste, speech, and swallowing Salivary glands = Produce saliva for digestion and oral health</p> Signup and view all the answers

Match the salivary gland with its location:

<p>Parotid gland = Some distance from the oral cavity Sublingual gland = Mucosa of the tongue, palate, and sublingual floor Submandibular gland = Mucosa of the lips and cheeks Labial gland = Mucosa of the lips and cheeks</p> Signup and view all the answers

Match the salivary gland with its duct anatomy type:

<p>Parotid gland = Long duct Sublingual gland = Short duct Submandibular gland = Long duct Labial gland = Short duct</p> Signup and view all the answers

Match the salivary gland secretion type with the description:

<p>Parotid gland = More watery (serous) secretion Sublingual gland = Mucous secretion Submandibular gland = Serous-mucous (mixed) secretion Labial gland = Mucous secretion</p> Signup and view all the answers

Match the salivary gland with its function:

<p>Parotid gland = Produces most saliva Sublingual gland = Locally important Submandibular gland = Produces more watery saliva Labial gland = Named based on location</p> Signup and view all the answers

Match the salivary gland with its specific location on the face or mouth:

<p>Parotid gland = Located in front of the ears Sublingual caruncle = Located under the tongue at the opening of Wharton's duct Submandibular duct opening = Located under the tongue at the opening of Wharton's duct Zygomatic gland = Located in the cheek region</p> Signup and view all the answers

Match the salivary gland with its classification based on size:

<p>Parotid gland = Major salivary gland Sublingual gland = Minor salivary gland Submandibular gland = Major salivary gland Labial gland = Minor salivary gland</p> Signup and view all the answers

Match the following descriptions with the correct salivary gland: 1) Located close to the angle of the jaw 2) Single large duct, covered by parotid gland 3) Passes ventral to the mucosa of the floor of the oral cavity

<p>Mandibular Salivary Gland = A Parotid Salivary Gland = B Sublingual Salivary Gland = C Buccal Gland = D</p> Signup and view all the answers

Match the following statements with the correct anatomy of the parotid duct: 1) Ventral to the auricular cartilage (ear) 2) Major collecting ducts eventually join forming a single duct 3) Opens into the buccal vestibule

<p>Mandibular Salivary Gland Duct = A Parotid Duct = B Sublingual Caruncle = C Zygomatic Gland Duct = D</p> Signup and view all the answers

Match the following features with the correct anatomy of the mandibular salivary gland duct: 1) Passes over the lateral surface of the masseter muscle in carnivores and small ruminants 2) Passes medial to the angle of the jaw and emerges at the rostral border of the masseter muscle in horse, ox, and pig

<p>Parotid Duct = A Mandibular Salivary Gland Duct = B Sublingual Salivary Gland Duct = C Buccal Duct = D</p> Signup and view all the answers

Match the following descriptions with the correct anatomy of the sublingual salivary gland: 1) Consists of two glands on either side of the tongue 2) Produces a serous-mucoid secretion dominated by the mucous part 3) Diffuse minor gland (polyostomatic)

<p>Sublingual Salivary Gland = A Parotid Salivary Gland = B Mandibular Salivary Gland = C Zygomatic Gland = D</p> Signup and view all the answers

Match the following functions with the correct anatomy: 1) Function near the sublingual caruncle and alternates between the frenulum 2) Absent in horses 3) Produces a serous-mucoid secretion dominated by mucous part

<p>Sublingual Caruncle = A Parotid Duct = B Mandibular Salivary Gland Duct = C Sublingual Salivary Gland = D</p> Signup and view all the answers

Study Notes

Salivary Glands

  • Paired organs that secrete saliva via their ducts into the oral cavity
  • Saliva is important for preparation of food for swallowing by lubrication and chemical digestion
  • Classified by:
    • Size
    • Major or minor
    • Duct length (short or long)
    • Secretion (serous, mucus, or both)

Minor Salivary Glands

  • Present in the mucosa of:
    • Lips
    • Cheeks
    • Tongue
    • Palate
    • Sublingual floor
  • Produce mucous secretion
  • Named based on location
  • Examples:
    • Labial gland in ruminants
    • Buccal gland in ruminants
    • Zygomatic gland in dogs
  • Have short ducts
  • Locally important

Major Salivary Glands

  • Located some distance from the oral cavity
  • Empty their secretion via long duct
  • Produce most of the saliva
  • Secretion:
    • More watery (serous)
    • Some have serous-mucous (mixed) secretion

Parotid Salivary Gland

  • Lobular gland with several lobules separated by trabeculae
  • Located ventral to the auricular cartilage (ear)
  • Secretion: mixed (serous-mucous)
  • Major collecting ducts eventually join forming a single duct
  • Opens into the buccal vestibule
  • In carnivores and small ruminants: duct passes over the lateral surface of the masseter muscle
  • In horse, ox, and pig: duct passes medial to the angle of the jaw, emerges at the rostral border of the masseter muscle

Mandibular Salivary Gland

  • Located close to the angle of the jaw
  • Covered by parotid gland
  • Single large duct passes ventral to the mucosa of the floor of the oral cavity
  • Opens with the major sublingual duct near the sublingual caruncle / frenulum
  • Secretion: mixed (serous-mucous), but also alternate between the two

Sublingual Salivary Gland

  • Consists of two glands on either side of the tongue
  • The major sublingual gland (monostomatic):
    • Absent in horse
    • Situated more caudally but rostral to mandibular salivary gland
    • Drained by single duct
    • Shares a common opening with mandibular salivary gland on the top of the sublingual caruncle
  • The diffuse minor sublingual gland (polyostomatic):
    • Located more rostrally
    • Opens through several smaller ducts in the lateral sublingual recesses
  • Both sublingual glands produce a serous-mucoid secretion in which the mucous part dominates

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Description

Test your knowledge of salivary glands anatomy including shape, secretion, and ducts location. Learn about the structure and function of major salivary glands such as the sublingual gland and mandibular gland duct.

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