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Questions and Answers
What is the position of the sulcus terminals in the tongue?
What is the position of the sulcus terminals in the tongue?
- It separates the oral from pharyngeal part (correct)
- It marks the embryological origin of the thyroid gland
- It is related to the gum and lateral teeth
- It is located at the apex of the tongue
To which structures is the tongue attached by its muscles?
To which structures is the tongue attached by its muscles?
- Hyoid bone, mandible, styloid processes, soft palate, and pharyngeal wall (correct)
- Frontal bone, parietal bone, temporal bone, occipital bone, and sphenoid bone
- Mandible, palatine bone, vomer, lacrimal bone, and nasal conchae
- Maxilla, zygomatic bone, ethmoid bone, sphenoid bone, and nasal bone
What characterizes the dorsal surface (dorsum) of the tongue?
What characterizes the dorsal surface (dorsum) of the tongue?
- It is characterized by a v-shaped groove dividing it into posterior one third and anterior two third (correct)
- It has numerous papillae for taste sensation
- It is smooth and devoid of any markings
- It contains numerous minor salivary glands
Which part of the tongue rests on the floor of the mouth?
Which part of the tongue rests on the floor of the mouth?
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What is the function of the tongue as described in the text?
What is the function of the tongue as described in the text?
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Study Notes
Position of the Sulcus Terminalis
- The sulcus terminalis is located on the dorsal surface of the tongue, creating a V-shaped groove.
- It marks the boundary between the anterior two-thirds (body) and the posterior one-third (root) of the tongue.
Tongue Muscle Attachments
- The tongue is anchored to various structures including the mandible, hyoid bone, and the soft palate.
- Muscles of the tongue allow for precise movements necessary for functions like speech and swallowing.
Characteristics of the Dorsal Surface (Dorsum) of the Tongue
- The dorsum features papillae, which are small, raised structures that contain taste buds.
- The surface is covered by a stratified squamous epithelium, which is rugged and can withstand abrasion.
Part of the Tongue Resting on the Mouth Floor
- The anterior two-thirds of the tongue rests on the floor of the mouth, allowing for easy access during various functions.
Functions of the Tongue
- The tongue plays a critical role in taste perception, aiding in the process of digestion and speech.
- It also assists in manipulating food for chewing and swallowing, showcasing its versatility in oral functions.
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