One type of hard thick patch of skin is a corn. Corns develop on the feet, particularly on the toes. Another type of hard thick patch of skin is a callus. Calluses usually develop on the feet and the hands.
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thumb: the thick short innermost digit of the forelimb
the slang term for this is "boobies" but that is not a medical term.
Wenis is not an anatomical term and therefore does not refer to any part of an elbow. The bone under the elbow is known as the olecranon. The skin on the olecranon is not specifically named.
The stratum lucidum is the translucent band best seen in thick, hairless skin, as on the palms and soles.
It is a slang term that someone made up for the loose patch of skin outside one's elbow. The skin is more properly called the olecranal skin, covering the point of the elbow (olecranon).
No. Reptiles and lizards may have scales, but mammals typically do not. However, a rhino's skin (and elephant's, and hippos) is very very tough and thick, which might make you think it has scaly skin. The term 'pachyderm,' which refers to these type of mammals in general, means 'thick skin.'
Hard water is a term used to describe water with too many minerals in it. Hard water can dry out your skin after a shower.
Dry skin that needs lotion. Did you read the other answers? Everyone is asking this question. Olecranal, is not referring to the skin, but to the protrusion of the bone called the ulna. In human anatomy class, we were told that the elbow skin is continuous and contiguous with the rest of the skin on your body, which is part of the integument, or epidermis. Simple squamous epithelial tissue is the outer most layer of the epidermis. The skin on the bottom of your feet and palm of your hands is considered "thick skin". The elbow may look like thick skin because of how dry it can get when you don't pay attention to your looks and hydration, but really it is not "thick skin".
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A patch is a string of code that fixes a glitch or hole in a computer program.
There are a couple of slang terms for this skin that are not really acceptable for this site. However, the actual term for this skin is olecranal skin (the olecranon is the projection of the ulna behind the elbow).
An abrasion is the medical term meaning scrape of the skin in which tiny blood vessels in the epidermis or outer layer of the skin break.
purpura
Xeroderma is a condition of Xero = dry + derma = skin. It is a common complaint of winter weather with the scalp, lower legs, arms, knuckles, sides of abdomen and thighs being most affected. The adjective form is "xerodermic" (-ic = pertaining to).
Skin is the correct term. For a more scientific sounding term, epidermis can be used. It refers to the outermost layer of the skin.