30 Questions
Which nerve supplies the taste sensation to the posterior 1/3 of the tongue?
Glossopharyngeal nerve
Which muscle is responsible for protruding the apex of the tongue through the mouth?
Genioglossus
Which artery supplies the tongue?
Lingual artery
Which lymph nodes drain the tip of the tongue?
Submental lymph nodes
The uvula is an extension of which structure in the back of the mouth?
Soft palate
Most muscles of the soft palate are supplied by which nerve?
Facial nerve
Which nerve provides sensory innervation to the palate through greater, lesser palatine, and nasopalatine nerves?
Maxillary nerve
What forms the lateral wall of the vestibule and is made up of the buccinator muscle?
Cheek
Which muscle helps tighten the soft palate?
Levator veli palatini
Which artery supplies blood to the palate through its branches?
Maxillary artery
What divides the tongue into anterior and posterior thirds, and right and left halves?
Median fibrous septum
Which nerve supplies motor innervation to all muscles of the palate except tensor veli palatini?
Glossopharyngeal nerve
What is the roof of the mouth proper formed by?
Hard palate
What is a mobile fold of mucous membrane attached to the posterior border of the hard palate?
Uvula
Which muscles attach the tongue to the styloid process, soft palate, mandible, and hyoid bone?
Intrinsic tongue muscles
How can tongue's movements be tested?
'Ah' test
What forms the superior boundary of the oral cavity?
Soft palate
Which nerve supplies sensory innervation to the majority of the palate?
Maxillary nerve
What is the primary muscle responsible for movements of the tongue?
Genioglossus
Which artery is the main blood supply to the palate?
Greater palatine artery
Which nerve supplies sensory innervation to the soft palate?
Glossopharyngeal nerve
What divides the tongue into anterior and posterior thirds, and right and left halves?
Median fibrous septum
Which artery provides blood supply to the palate through its branches?
Maxillary artery
Which muscle is responsible for protruding the apex of the tongue through the mouth?
Genioglossus muscle
Which nerve supplies motor innervation to all muscles of the palate except tensor veli palatini?
Facial nerve
Which nerve supplies motor innervation to the palatoglossus muscle?
Glossopharyngeal nerve
Which muscle forms the palatine aponeurosis?
Tensor palatini
Opposite to the upper second molar tooth, there is a small papilla on the mucous membrane, marking the opening of which duct?
Upper third molar
Which part of the tongue contains NO papillae?
Posterior 1/3
The uvula is an extension of which structure in the back of the mouth?
$Soft$ $palate$
Study Notes
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The mouth consists of two parts: the vestibule and the mouth proper.
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Vestibule: a slit-like space between the gums, teeth, lips, and cheeks. Communicates with the exterior through the oral fissure.
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Cheek forms the lateral wall of the vestibule and is made up of the buccinator muscle.
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Mouth proper: has a roof formed by the hard and soft palate, and a floor formed by the anterior two-thirds of the tongue.
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Hard palate: bony part formed by the maxilla and palatine bones, separated by crucicular suture.
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Soft palate: a mobile fold of mucous membrane attached to the posterior border of the hard palate.
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Contains the uvula, a conical projection in its free posterior border.
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Muscles, nerves, and vessels cover its upper and lower surfaces.
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Tensor veli palatini and levator veli palatini are two muscles that help tighten the soft palate.
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Greater and lesser palatine nerves, nasopalatine nerve, and glossopharyngeal nerve supply nerves and sensory innervation to the soft palate.
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Tongue: a mass of striated muscle covered with mucous membrane. Divided into anterior and posterior thirds, and right and left halves by a median fibrous septum.
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Muscles attach the tongue to the styloid process, soft palate, mandible, and hyoid bone.
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Tongue lies partly in the mouth and partly in the pharynx.
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Pharyngeal plexus of nerves supplies motor innervation to all muscles of the palate except tensor veli palatini.
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Maxillary nerve provides sensory innervation to the palate through greater, lesser palatine, and nasopalatine nerves.
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Blood supply to the palate comes from the greater and lesser branches of the maxillary artery, ascending palatine branches of the facial artery, and the ascending pharyngeal branch of the external carotid artery.
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The tongue's movements can be tested by saying "Ah" and observing the soft palate's upward movement and uvula's backward motion.
-
The mouth consists of two parts: the vestibule and the mouth proper.
-
Vestibule: a slit-like space between the gums, teeth, lips, and cheeks. Communicates with the exterior through the oral fissure.
-
Cheek forms the lateral wall of the vestibule and is made up of the buccinator muscle.
-
Mouth proper: has a roof formed by the hard and soft palate, and a floor formed by the anterior two-thirds of the tongue.
-
Hard palate: bony part formed by the maxilla and palatine bones, separated by crucicular suture.
-
Soft palate: a mobile fold of mucous membrane attached to the posterior border of the hard palate.
-
Contains the uvula, a conical projection in its free posterior border.
-
Muscles, nerves, and vessels cover its upper and lower surfaces.
-
Tensor veli palatini and levator veli palatini are two muscles that help tighten the soft palate.
-
Greater and lesser palatine nerves, nasopalatine nerve, and glossopharyngeal nerve supply nerves and sensory innervation to the soft palate.
-
Tongue: a mass of striated muscle covered with mucous membrane. Divided into anterior and posterior thirds, and right and left halves by a median fibrous septum.
-
Muscles attach the tongue to the styloid process, soft palate, mandible, and hyoid bone.
-
Tongue lies partly in the mouth and partly in the pharynx.
-
Pharyngeal plexus of nerves supplies motor innervation to all muscles of the palate except tensor veli palatini.
-
Maxillary nerve provides sensory innervation to the palate through greater, lesser palatine, and nasopalatine nerves.
-
Blood supply to the palate comes from the greater and lesser branches of the maxillary artery, ascending palatine branches of the facial artery, and the ascending pharyngeal branch of the external carotid artery.
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The tongue's movements can be tested by saying "Ah" and observing the soft palate's upward movement and uvula's backward motion.
Test your knowledge of the anatomy of the oral cavity, palate, and tongue with this quiz. Explore the boundaries, parts, nerve supply, muscles, and blood supply of these anatomical structures.
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