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Epithelium
01
上皮
a type of tissue that lines the surfaces and cavities of organs and structures throughout the body, serving protective, absorptive, and secretory functions
例子
The epithelium of the skin acts as a barrier against pathogens and environmental stresses.
Stratified squamous epithelium forms the outer layer of the oral mucosa, providing resilience to abrasion.
Ciliated epithelium in the respiratory tract helps trap and remove foreign particles and mucus.
The epithelium lining the digestive tract absorbs nutrients from digested food.
