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The follicle, bulb, papilla, arrector pili muscle, and sebaceous glands are main structures of the:
A small, cone-shaped area at the base of the hair follicle that fits into the hair bulb is the:
The fibrous protein core of the hair, formed by elongated cells containing melanin pigment, is the;
The process whereby living cells mature and begin their journey up the hair shaft is:
The five main elements that make up the chemical composition of human hair are Carbon, oxygen, hydrogen, and:
nitrogen and sulfur
When peptide bonds hold together a very long chain of amino acids, it is called a:
The three types of cross-links that form the bonds between the polypeptide chains are hydrogen bonds, saalt bonds, and:
Hydrogen chemical hair relaxers break disulfide bonds and during rinsing convert them to:
Four important factors to consider in hair analysis are texture and porosity:
elasticity and density
Two products approved by the FDA to stimulate hair growth and allowed for sale in the United States are:
minoxidil and finasteride
A variety of canities, characterized by alternating bands of gray and pigmented hair, is:
Trichorrhexis nodosa is characterized by brittleness of the hair and the formation of:
swellings along the hair shaft
The medical term used to describe a fungal organism characterized by iching, scales, and painful circular lesions is:
The type of fungal infection characterized by red papules at the opening of the hair follicles is:
An acute localized bacterial infection of the hair follicle that produces constant pain is:
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