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Where does vellus hair grow?
Vellus hair grows all over the body. It is the fine, light hair that covers the skin.
What is called immature hair of hair that lacks pigment?
Vellus Hair
What are the two types of hair?
Adults of two kinds of hair: vellus and terminal. Vellus hair is short, fine, soft, and nonpigmented. Terminal hair is coarser, longer, thicker, and usually pigmented.
What is hair that lacks pigment and is often called immature hair?
Vellus Hair
Scientific name for human body hair?
The scientific name for human body hair is "vellus hair" or "terminal hair", depending on the type and location of the hair on the body. Vellus hair is fine, short, and light-colored, while terminal hair is coarser, longer, and darker.
What doesn't belong terminal hair vellus hair dark coarse hair or eyebrow hair?
eyebrow hair others describe hair quality.
Why does the hair on my arms stop growing but the hair on my head doesn't?
The hair on your arms is called vellus hair:Vellus hair is the fine, non-pigmented hair (peach fuzz) that covers the body of children and adults. The growth of vellus hair is not affected by hormones, whereas the growth ofterminal hair is affected by hormones.Terminal hairs are the thick pigmented hairs found on the scalp, beard, armpits, and pubic area.
What is the two kinds of hair?
The two types are ~ Vellus which is the soft hair that covers most of the body, and the Terminal which is the coarser hair on the head, eyes, pubic and axillary regions.
What physiological system controls the action of the sebum producing glands?
he growth of vellus hair and the secretion of sebum from vellus hair follicles were measured on the forehead, cheek, chest, shoulder and back of healthy men and women aged 15-30 years. Hair growth was assessed by computerized image-analysis of photographs and sebum excretion by the use of Sebutape followed by image analysis. The density of vellus hairs and the percentage of growing hairs were higher on the face than on the thorax (439 hairs/cm2 with 49% growing hairs on the forehead compared with 85 hairs/cm2 with 31.5% growing hairs on the back). The rate of growth ranged from 0.03 mm/day on the forehead to 0.13 mm/day on the back. The maximum length of vellus hair significantly decreased with age; otherwise hair growth was not affected by age or sex. Some variations in hair growth and sebum secretion were observed over a period of 3 months, but no consistent rhythms were detected. There was no obvious link between vellus hair growth and sebum excretion.
What is the difference between vellus and terminal hairs?
Simple, one Is Vellus and the other is Terminal.
If a teenage boy has natural dark brown hair why would the hair on his neck arms and legs be partially blonde?
It's called vellus hair (blonde "peach fuzz") turning Into terminal hair. The vellus hair will first grow longer and will then start to turn dark brown hair and if he shaves the blonde hair, he lose it forever and dark brown hair will start to grow in those areas, if he doesn't shave, some of those hairs could remain partially blonde forever. Genetics has a big role in this
Difference between vellus and Terminal hair?
Vellus hair is fine peach fuzz found all over the body that is unpigmented, and does not stand up on its end (ie. goosebumps), whereas terminal hairs are thick, coarse and heavily pigmented. Terminals hairs have the capacity to stand up (goosebumps) and also contain sebaceous glands.
