GENERAL HISTOLOGY

TONGUE MIXED SALIVARY GLAND

ORAL CAVITY

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

On the histological speciment of the oral cavity organ there is a well developed layer of adipouse tissue under the mucous layer. What part does this speciment made up from?

A	Lip
B	Gums
C	Hard palate
D	Toung
E	Cheek

Explanation:

Detailed explanation-1: -Underneath the lamina propria, there is a layer of fibrocollagenous and elastic tissue containing blood vessels and nerves known as submucosa. According to the location, the submucosa may contain adipose tissue, minor salivary glands, lymphoid tissue, and muscle.

Detailed explanation-2: -The oral cavity is lined by a mucous membrane (the oral mucosa) consisting of a stratified squamous epithelium, which may or may not be keratinized, and an underlying connective tissue layer, the lamina propria.

Detailed explanation-3: -The oral mucosa that covers the underside of the tongue (Figure 12-31), inside of the lips (Figure 12-32), cheeks, floor of the mouth, and alveolar processes as far as the gingiva (see Figure 12-30) is subject to movement. These regions, together with the soft palate, are classified as lining mucosa.

There is 1 question to complete.