Questions about the integumentary system of vertebrates.

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1answer
27 views

Pathogenesis of chronic venous congestion in skin?

I think CVC cannot lead to heart failure primarily. So let's think its pathogenesis in skin now only. I think the pathogenesis is like this dilation of veins and capillaries due to impaired venous ...
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0answers
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Functionality of vitamin A, Bx, C, D, E, K as used in cosmetics for the skin?

I was wondering if someone can compare the functionality of vitamin A, Bx (x means numbers, such as 1, 2, 3, ...), C, D, E, K in the skin? They are used in cosmetics but what is their actual effect? ...
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0answers
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What percentage of human capillaries are located in the skin?

As in the subject line, what percentage of capillaries in a human (expressed in terms of total length, I suppose) are located in the skin, as opposed to internal organs? Google scholar has not turned ...
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0answers
34 views

is Skin whitening dangerous?

I heard a lot of people in Asia such as in India & in Thailand use some scream to make their skin whiter as the society prefers whiter skin. The girl who has dark skin often got hard time to get a ...
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0answers
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Why Is The Toughness Of Skin Different On Different Parts Of The Body?

My cat was licking my arm with his sandpaper like tongue. It hurt and the area he was licking was slightly smarting afterwards. However, when he licks the palm of my hand the feeling is rather ...
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Tanned skin: influence of water and oil

It is said that having water or oil on the skin increases tan. Is it true? If so, is it due to magnifying glass properties of the water and oil droplets (but that might not be the only mechanism, as ...
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32 views

Does pain scale with mammal mass?

Some biological features scale with the animal mass (see previous Q&A). Assuming the same concentration of nociceptors on the skin surface, I'm wondering how painful a 1 cm wound will be ...