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| the sudden falling out of hair in round patches or baldness in pots; may occur on the scalp and elsewhere on the body |
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| units that are joined together end by peptide bonds to form the polypeptide chains that comprise proteins |
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| growth phase in the hair cycle in which a new hair shaft is created |
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| hair loss characterized by miniaturizing of terminal hair which is converted to vellus hair; in men, itis known asmale pattern baldness |
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| minute, involuntary muscle in the base of the hair follicle that causes "goose bumps" |
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| technical term for gray hair; results from the loss of the hair's natural malanin pigment |
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| inflammation of the subcutaneous tissue caused by stayphylocci; similar to furuncle but larger |
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| the brief transition perod between the growth and resting phases of a hair follicle |
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| the five elements that make up human hair,skin,tissue and nials(carbon, oxygen,hydrogennotrogen ans sulfur) |
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| middle layer of the hair; a fibrous protein core formed by elongated cells containing melanin pigment |
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| tuff of hair that stands straight up |
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| outermost layer of hair, consisting of a single, overlapping layer of transparent, scale like cells |
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| small, cone shaped elevation locatedat the base of the hair follicle that fits into the hair bulb |
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| strong chemical side bond that join the sulfur atoms of two neighboring cysteine amino acids to create cystine, which join together two polypeptide strands like rungs on a ladder |
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| melanin that gives brown and black color to hair |
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| tube-like deprssion orpocket in the contains the hair oot |
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| technical term for brittle hair |
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| boil; acute, localized bacterial infection of the hair follicle |
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| lowest part of hair strand; the thickened, club-shaped structure that forms the lower part of the hair root |
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| the number of individual hair strands found on 1 square inch of scalp |
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| ability of the hair ti stretchand return to its original length without breakage |
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| ability of the hair to absorb moisture |
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| the part of the hair contained within the follicle, below the surface of the scalp |
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| the portion of the hairthat projects beyond the skin |
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| hiar flowing in the same direction,resultingfrom follicles sloping in the same direction |
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| thickness or diameterof thr individual hair strands |
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| spiral shape created by polypeptide chains that interwine around each other |
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| weak physical side bond that is easily broken by water or heat |
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| condition of abnormal qrowth of hair, characterized by the growth of terminal hair in areas of the body that normally grow only vellus hair |
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| largest and fastest growing organ of the body;composed ofthe hair,skin and nails |
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| Process by which newly formed cells in the hair bulb mature. fill with keratin, moved upward, lose their nucleus, and die. |
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| Naturally occurring fungus that is present on all human skin and is responisble for dandruff |
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| inner most layer of the hair composed of round cells often absent in fine hair. |
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| Tiny grains of prgment in the cortex that givenatural color to the hair |
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| Technical term for beaded hair |
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| Infestation of the hair and scalp with headlice |
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| Chemical bond that joins amino acids to each other, end to end,to form a polypeptide chain. |
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| Melanin that provides natural hair colors form red and gingerfrom yellow/ bond tones. |
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| Dandruff,an inflammation of the skin characterized by formation and flaking of fine, thin scales. |
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| scalp[ inflammation marked by fatty (greasy or waxy) types of dandruff |
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| long chain of amino acids linked by peptide bonds |
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| Temporary hair loss experienced at the conclusion of pregnancy |
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| Variety of cantities characterized by alternationg bands of gray and pigmented hair throughout the length of the hair strand. |
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| A weak, temporary side bond between adjacent polypeptide chains |
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| Highly contagious disease caused bymites that burrow under the skin |
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| Dry, silfer-yellow, cup-like crust on the scalp in tinea favosa or favus. |
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| Oil glands of the skin connected to hair follicles |
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| Medical term for pityrasis steatoids accompained by redness and inflammation |
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| Oilysecretion of the sebaceous glands which lubricates the hair and skin |
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| long hair found on the scalp, as wellas on legs, arms, and bodies of both males and females |
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| Medical term for ringworm, a cantagious condition caused by fungal infection |
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