12 Questions
Which part of the lip lacks a superficial layer of keratin or is lightly keratinized?
The transitional zone or vermilion border
What is the most common oral cavity malignancy, accounting for almost 95% of cases?
Squamous cell carcinoma
What lifestyle factor typically causes neoplasms on the lower lip?
Chronic sun exposure
Who is more susceptible to lip carcinoma, according to the text?
Middle-aged and elderly men
What is the most effective treatment for lip carcinoma?
Surgical excision
What presents a potential complication of lip carcinoma treatment?
Regional metastasis
What is the primary function of the lamina propria in the oral mucous membrane?
To permit distensibility over underlying tissues
What is the average renewal rate of the surface cells in the epithelium?
12-14 days
What type of fibers are present in the lamina propria?
Collagen and elastic fibers
What is the main function of the minor salivary glands, the labial glands?
To synthesize the mucous secretions and provide moisture and lubrication
What is the interface between the epithelium and lamina propria characterized by?
A highly corrugated surface
What type of nerve fibers are abundant in the lamina propria?
Sensory nerve fibers
Explore the anatomy of human lips and the different structures that make up this important part of the body. Learn about the unique features of the outer cutaneous part, red border, and inner oral mucosa of the lips.
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