TONGUE MIXED SALIVARY GLAND
ORAL MUCOSA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following contributes to the reddish coloration of the vermilion border?
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thickness of oral epithelium.
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existence of high number of Langerhans cells.
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vascularity of the lamina propria.
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epithelial keratinization.
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Explanation:
Detailed explanation-1: -The sun appears to be red at sunrise and sunset because Earth’s atmosphere scatters the colours of the white light from the sun. The colours we see are the ones left after the scattering. The phenomenon is called Rayleigh Scattering.
Detailed explanation-2: -The light from the Sun travels through Earth’s atmosphere it undergoes scattering before it reaches us. The extent of scattering is not uniform for all colours. Light of shorter wavelengths, such as violet, blue, green and yellow undergoes greater scattering than those of longer wavelengths, such as orange and red.
There is 1 question to complete.