NEET PG DENTAL EXAM

HEAD NECK

SALIVARY GLANDS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Biopsy of the oral cavity reveals morphological signs of gums. What structural features of the mucous layer of the gum can be distugnished?

A	Softly adherent to the periosteum, lamina musclutaris is well developed
B	Lamina propria and muscularis are absent
C	Strongly adherent to the periosteum, lamina propria forms high papillae, lamina musclutaris is absent
D	lamina musclutaris is absent, submucosal layer is well developed
E	Contains many small salivary glands

Explanation:

Detailed explanation-1: -Histologically, the oral mucosa is formed by three layers, a surface squamous stratified epithelium, known as the oral epithelium, whose thickness and degree of keratinization depend on the location and functional requirements .

Detailed explanation-2: -Filiform papillae are the majority of the tongue’s dorsal surface, giving it avelvety appearance. They contain an ortho-keratinized or para-keratinized stratified squamous epithelium ←. These papillae function to provide friction only, their mucosa contain no taste buds.

Detailed explanation-3: -The masticatory mucosa forms the attached gingiva and hard palate, and its structure allows it to resist the abrasion of rough food particles. The lining mucosa represents the largest part of the oral mucosa, consisting of the buccal, sublingual, and vestibular mucosae.

There is 1 question to complete.