Lose weight: Creating a calorie deficit that results in weight loss is hard work. Most recommendations say that to lose weight, you must exercise for at least an hour a day, five times a week. The type of exercise matters, too.
Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia. hair shaft. the nongrowing portion of a hair that protrudes from the skin, that is, from the follicle. hair shaft. The keratinized portion of a hair that extends from a hair follicle beyond the surface of the epidermis.
Understanding hair follicles in general. Hair follicles are important structures of the skin where hair grows. They are not only found in the scalp, but also all over the skin. However, there are also some parts of the body without hair growth; these include sole of feet, palm of hands, and lips. Hair shaft what you see is actually composed by dead cells.