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human anatomy lecture notes 6

Internal aspect continuous with the cheeks wet mucosa

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Unformatted text preview: redness is due to highly vascularized lamina propria  ­No hair or sweat and/or sebaceous glands 3. Internal Aspect:  ­Continuous with the cheeks (=Wet Mucosa)/ similar histology to the cheeks  ­Epithelium: non ­keratinized stratified squamous  ­Lamina propria: dense irregular C.T.  ­Submucosa: contains mucous glands to keep lips moistened  ­Adventitia: skeletal muscle (the orbicularis oris muscle, which is responsible for the puchering/movement of lips) Gingiva = Gums  ­The junctional epithelial collar is a thickening of epithelium around the tooth; acts as a bacterial barrier to protect the periodont...
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