Search results
Results From The WOW.Com Content Network
A variety of human hair colors; from top left, clockwise: black, brown, blonde, white, red. Human hair color is the pigmentation of human hair follicles and shafts due to two types of melanin: eumelanin and pheomelanin. Generally, the more melanin present, the darker the hair. Its tone depends on the ratio of black or brown eumelanin to yellow ...
2. Trauma. White toenails can also be caused by trauma. "Trauma could cause white spots on the nails or even white lines (leukonychia)," says Dr. Mendeszoon. "Bumping one’s toe or being stepped ...
Hair follicle. Hair follicles have four parts. There is the bulb, supra bulbar area, isthmus and infundibulum. The bulb is to be known as the part that is responsible for the growth of the rest of the hair follicle. As a response to cold. In animals covered with fur or hair, the erect hairs trap air to create a layer of insulation. Goose bumps ...
Half and half nails (also known as "Lindsay's nails") show the proximal portion of the nail white and the distal half red, pink, or brown, with a sharp line of demarcation between the two halves. [1] : 785 The darker distal discoloration does not fade on pressure, [2] which differentiates Lindsay's nails from Terry's nails .
The color crept into fashion, beauty and food in 2022, ... the trend began after pictures of a pink-clad Margot Robbie surfaced online in June 2022, a year before the actor's “Barbie” movie ...
Melanoacanthoma (pigmented seborrheic keratosis) Merkel cell carcinoma (cutaneous apudoma, primary neuroendocrine carcinoma of the skin, primary small cell carcinoma of the skin, trabecular carcinoma of the skin) Microcystic adnexal carcinoma (sclerosing sweat duct carcinoma) Micronodular basal cell carcinoma.
Poliosis. Depigmentation of sections of skin and hair in 48-year-old man with vitiligo and poliosis. Poliosis (also called poliosis circumscripta) is the decrease or absence of melanin (or colour) in head hair, eyebrows, eyelashes, or any other hirsute area. It is popularly known as white forelock when it affects hair directly above the forehead.
Raynaud syndrome, also known as Raynaud's phenomenon, is a medical condition in which the spasm of small arteries causes episodes of reduced blood flow to end arterioles. [1] Typically the fingers, and, less commonly, the toes, are involved. [1] Rarely, the nose, ears, nipples, or lips are affected. [1] The episodes classically result in the ...