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The real action of leg hair takes place below the skin or the epidermis. The cells that are in the hair follicles divide and multiply. When the space fills up in the follicle it pushes older cells out and that is what becomes the leg hair. After the older cells become hard and leave the follicle, they form a hair shaft.
Timing is important to wound healing. Critically, the timing of wound re-epithelialization can decide the outcome of the healing. [11] If the epithelization of tissue over a denuded area is slow, a scar will form over many weeks, or months; [12] [13] If the epithelization of a wounded area is fast, the healing will result in regeneration.
[80] [81] Male deer lose their antlers annually during the months of January to April then through regeneration are able to regrow them as an example of physiological regeneration. A deer antler is the only appendage of a mammal that can be regrown every year. [82] While reparative regeneration is a rare phenomenon in mammals, it does occur.
“Keratosis pilaris, which can be referred to as ‘chicken skin’ or in some cases, ‘strawberry legs,’ is a condition caused by keratin buildup—a protein that helps form hair, nails, and ...
Which playing surface is safer for athletes: natural grass or artificial turf? The question is important not just in football, but also for soccer, recreational sports and high school and college ...
In short, melasma is a chronic skin condition that appears as darkened areas on the face due to an overproduction of melanin, says Gina Charles, MO, a family physician specializing in skincare. It ...
This species of grass can have its seeds entangled in sheep's hair while they are feeding, and once entangled it often works its way into the animal's skin. This grass is not ideal for livestock but it is generally palatable, especially in the spring. It is also valuable in the fall when it remains green as other grasses dry out.
In a major injury, if epithelial cell migration and tissue contraction cannot cover the wound, suturing the edges of the injured skin together, or even replacement of lost skin with skin grafts, may be required to restore the skin. As epithelial cells continue to migrate around the scab, the dermis is repaired by the activity of stem cells.