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hair

/hɛː/

noun
- 1. any of the fine threadlike strands growing from the skin of humans, mammals, and some other animals: "coarse outer hairs overlie the thick underfur" Similar furwoolcoatfleecepelthideskinmanearchaic:fell
- ▪ a fine threadlike strand growing from the epidermis of a plant, or forming part of a living cell: "scalloped leaves edged with silver hairs"
- 2. hairs collectively, especially those growing on a person's head: "her shoulder-length fair hair" Similar head of hairshock of hairmop of hairmanelockstressescurlswigtoupeehairpieceswitchinformal:rugthatchbarnetrare:postiche
- 3. a very small quantity or extent: "his magic takes him a hair above the competition"
Word Origin Old Englishhǣr, of Germanic origin; related to Dutch haar and German Haar.
Derivatives
- 1. hairlike adjective
Scrabble Points: 7
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People also ask
Why is hair so important?
Hair is much more complicated than it looks. You can feel it at the root when it moves or gets pulled. It protects your skin and traps particles like dust around your eyes and ears. You can express yourself through your hairstyle. If your hair gets damaged, it can renew itself without scarring. Hair covers almost every surface of the human body.

The Biology, Structure, and Function of Hair - Verywell Health

www.verywellhealth.com/the-biology-of-hair-1068785
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What are the layers of hair?
Those layers are: The Inner Layer: This is called the medulla. Depending on the type of hair, the medulla isn’t always present. The Middle Layer: This is called the cortex, which makes up most of the hair shaft. The medulla and the cortex contain pigmenting cells responsible for giving hair color.

The Biology, Structure, and Function of Hair - Verywell Health

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Where does hair come from?
Aside from a few places, like the palms of our hands or the soles of our feet, the entire surface of our body has hair on it. The two main types of hair are the shorter and thinner "vellus" hairs (peach fuzz) found on the body and the longer and thicker "terminal" hairs.

In brief: What is the structure of hair and how does it grow?

www.ncbi.nlm.nih.gov/books/NBK546248/
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What is a hair follicle?
The hair follicle is where your hair begins to grow and is held in place. It’s a stocking-like structure that starts in the epidermis, your skin’s top layer. It extends to the dermis, your second layer of skin. At the bottom of the follicle, a piece of tissue called the papilla contains tiny blood vessels (capillaries).

The Biology, Structure, and Function of Hair - Verywell Health

www.verywellhealth.com/the-biology-of-hair-1068785
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en.wikipedia.org › wiki › HairHair - Wikipedia

en.wikipedia.org › wiki › Hair
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Hair is a protein filament that grows from follicles in the skin and is one of the defining characteristics of mammals. Learn about the structure, color, growth, and cultural significance of hair, as well as the differences between human and animal hair.
www.verywellhealth.com › the-biology-of-hair-1068785The Biology, Structure, and Function of Hair - Verywell Health

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Nov 9, 2022 · Learn how hair forms, grows, and changes over time. Discover the anatomy and physiology of hair, from the follicle to the shaft, and how it affects your appearance and health.
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www.ncbi.nlm.nih.gov › books › NBK546248In brief: What is the structure of hair and how does it grow?

www.ncbi.nlm.nih.gov › books › NBK546248
Jan 11, 2023 · Each hair has a hair shaft and a hair root. The shaft is the visible part of the hair that sticks out of the skin. The hair root is in the skin and extends down to the deeper layers of the skin. It is surrounded by the hair follicle (a sheath of skin and connective tissue), which is also connected to a sebaceous gland.
- Published: 2023/01/11
anatomy.co.uk › hairHair - Structure, Function, Location, Diagram, Anatomy

anatomy.co.uk › hair
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4 days ago · Hair is a filamentous structure made of keratin, a protein, that grows from follicles located in the skin. Each strand of hair consists of a shaft (the visible part above the skin) and a root (embedded within the follicle). Hair serves various roles, including protection, sensory input, and aesthetic functions.
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healthjade.com › what-is-hairHair - Shaft, Follicle, Structure, Hair Bulb - Root & Function

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Learn what hair is, how it grows, and what it is made of. Find out the difference between vellus and terminal hairs, and the structure and function of hair follicles and hair cells.
www.britannica.com › science › hair-anatomyHair | Structure, Growth & Function | Britannica

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Aug 14, 2024 · Hair is a threadlike outgrowth of the skin that forms an animal's coat or pelage. Learn about the structure, growth, function and history of hair in mammals, including humans, from Britannica.
facty.com › anatomy › integumentary-systemWhat is Hair? - Facty Health

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Feb 21, 2019 · Learn about the structure, growth, and functions of human hair, as well as the different types of hair on the body. Find out how hair color, texture, and growth cycle are influenced by genetics, hormones, and environment.