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Questions and Answers
What is the purpose of the muscle bundles mentioned in the text?
What is the purpose of the muscle bundles mentioned in the text?
- To assist in the sense of taste on the tongue
- To provide blood supply to the tongue
- To alter the shape of the tongue during swallowing and chewing (correct)
- To produce saliva for lubrication and digestion
Which nerve carries the sense of taste to the rostral two-thirds of the tongue according to the text?
Which nerve carries the sense of taste to the rostral two-thirds of the tongue according to the text?
- Vagus (X) nerve
- Glossopharyngeal (IX) nerve
- Facial nerve (VII) (correct)
- Trigeminal nerve
What is the role of the lingual nerve mentioned in the text?
What is the role of the lingual nerve mentioned in the text?
- Facilitating venipuncture in clinics
- Secreting saliva into the oral cavity
- Supplying motor innervation to lingual muscles
- Carrying pain, temperature, and tactile sensations (correct)
Which type of secretion do minor salivary glands produce, as per the text?
Which type of secretion do minor salivary glands produce, as per the text?
What nerve provides motor innervation to the intrinsic and extrinsic lingual muscles?
What nerve provides motor innervation to the intrinsic and extrinsic lingual muscles?
What type of muscle primarily makes up the tongue?
What type of muscle primarily makes up the tongue?
Which part of the tongue in carnivores contains a rod-shaped fibrous body called lyssa?
Which part of the tongue in carnivores contains a rod-shaped fibrous body called lyssa?
In cattle, what prominent feature is formed on the dorsal surface of the tongue?
In cattle, what prominent feature is formed on the dorsal surface of the tongue?
Which part of the tongue attaches to the hyoid bone?
Which part of the tongue attaches to the hyoid bone?
Which type of glands are closely packed within the intermediate layer of the tongue?
Which type of glands are closely packed within the intermediate layer of the tongue?
What is the main function of the intrinsic muscles or lingual muscle proper?
What is the main function of the intrinsic muscles or lingual muscle proper?
Which type of muscle bundles in the tongue extend from side to side?
Which type of muscle bundles in the tongue extend from side to side?
Where are Vallate papillae located?
Where are Vallate papillae located?
Which type of papillae contains taste buds on the dorsal surface of the tongue?
Which type of papillae contains taste buds on the dorsal surface of the tongue?
What is the characteristic feature of Foliate papillae?
What is the characteristic feature of Foliate papillae?
Which nerve supplies the rostral two thirds of the tongue for pain, temperature, and tactile sensation?
Which nerve supplies the rostral two thirds of the tongue for pain, temperature, and tactile sensation?
Which of the following pairs correctly matches the type of papillae with their descriptions?
Which of the following pairs correctly matches the type of papillae with their descriptions?
Which artery is responsible for supplying blood to the tongue?
Which artery is responsible for supplying blood to the tongue?
Which nerve innervates the intrinsic and extrinsic muscles of the tongue?
Which nerve innervates the intrinsic and extrinsic muscles of the tongue?
Where are the minor salivary glands present in the oral cavity?
Where are the minor salivary glands present in the oral cavity?
Which muscle is responsible for widening the glottic cleft?
Which muscle is responsible for widening the glottic cleft?
What is the function of the lateral cricoarytenoid muscle?
What is the function of the lateral cricoarytenoid muscle?
Where does the vocal ligament extend between?
Where does the vocal ligament extend between?
Which muscle is involved in adducting the two arytenoid cartilages?
Which muscle is involved in adducting the two arytenoid cartilages?
What is the blood supply of the larynx provided by?
What is the blood supply of the larynx provided by?
Study Notes
Tongue Structure and Function
- The tongue is primarily composed of skeletal muscle.
- Intrinsic muscles or lingual muscle proper are responsible for changing the shape of the tongue.
- Intermediate layer of the tongue contains closely packed serous glands.
Nerve Supply
- The lingual nerve carries general sensation (pain, temperature, and tactile sensation) to the rostral two-thirds of the tongue.
- The chorda tympani nerve carries the sense of taste to the rostral two-thirds of the tongue.
- The hypoglossal nerve provides motor innervation to the intrinsic and extrinsic lingual muscles.
Papillae
- Vallate papillae are located on the dorsal surface of the tongue.
- Foliate papillae are characterized by folds or ridges on the lateral surface of the tongue.
- Fungiform papillae contain taste buds on the dorsal surface of the tongue.
Blood Supply
- The lingual artery is responsible for supplying blood to the tongue.
Larynx
- The lateral cricoarytenoid muscle is responsible for adducting the two arytenoid cartilages.
- The vocal ligament extends between the thyroid and cricoid cartilages.
- The blood supply of the larynx is provided by the superior and inferior laryngeal arteries.
Other
- In carnivores, the lyssa is a rod-shaped fibrous body found in the rostral part of the tongue.
- In cattle, a prominent papilla is formed on the dorsal surface of the tongue.
- The tongue attaches to the hyoid bone.
- Minor salivary glands are present in the oral cavity and produce mucous secretion.
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Description
Test your knowledge on the anatomy and functions of the tongue, including its blood supply, innervations, and roles in swallowing and chewing. Learn about the lingual artery, sublingual artery, sublingual vein, and sensory innervations of the tongue.
