ITEC Waxing (Hair) Final Exam 2023

ITEC Waxing (Hair) Final Exam 2023 what is the inner layer of hair? - ANSWER medulla what is the function of the connective tissue sheath? - ANSWER to provide the hair follicle with a nerve & blood supply what happens to the hair follicle during the anagen phase of hair growth? - ANSWER the follicle is produced what is the thickest layer of hair? - ANSWER cortex where is the inner sheath positioned? - ANSWER from the base of the hair follicle at the dermal papilla what is the hair bulb? - ANSWER the enlarged part at the base of the hair root what part of the hair follicle forms the follicle walls? - ANSWER outer root shealth pilosebaceous unit - ANSWER main structure of the unit is the area below the skins surface and consists of the follicle, hair root, hair bulb, hair papilla t/f: the arrestor pill muscles and sebaceous glands are attached to the follicle - ANSWER true the growing stage - ANSWER anagen the transitional stage - ANSWER catagen the resting stage - ANSWER telogen anagen stage - ANSWER where new hair is produced. at any time 85% of one's hair is in this phase which lasts 2-6 years catagen stage - ANSWER regression stage. hair shaft grows upward and detaches from bulb. lasts 1-2 weeks -hair follicle reduces in size and hair growth ceases - club hair telogen stage - ANSWER involves 14% of one's hair and usually lasts 2-3 months after which the hair sheds. how long does hair take to grow from the papilla to the surface of the skin? - ANSWER 4-13 weeks hair papilla - ANSWER cone-shaped elevation at the base of the follicle that fits into the bulb -connects capillaries and nerves -necessary for hair growth and nourishment of the follicle hair bulb - ANSWER thick, club like structure made form epithelial cells that surround the papilla - contains the dividing cells of the hair matrix that produce the hair - also contains both the external root sheath and internal root sheath lining the follicle 3 layers of hair: - ANSWER cuticle, cortex & medulla layers of the follicle include: - ANSWER inner root sheath, outer root sheath, viteous membrane, connective tissue & dermal papilla inner root sheath contains: - ANSWER the cuticle, huxley's layer & henle's layer hair cuticle - ANSWER outer layer which consists of overlapping, transparent keratin scales the cortex - ANSWER middle layer consists of elongated cells which contain the pigment melanin, this gives hair its color what layer of hair contains the pigment melanin? - ANSWER the cortex the medulla - ANSWER the center of the hair and is composed of loosely connected keratinized cells the outer root sheath - ANSWER forms the follicle wall and is a continuation of the growing layer of epidermis of the skin vitreous membrane - ANSWER this separates the connective tissue from the outer root sheath connective tissue - ANSWER this surrounds both the follicle and the sebaceous gland providing both the sensory supply and blood supply dermal papilla - ANSWER supplies the follicle with the blood & nourishment