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| The sudden falling out of hair in round patches or baldness in spots; may occur on the scalp and elsewhere on the body. |
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| Units that are joined together end to 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 miniaturization if terminal hair which converted to vellus hair; in men, it is known as male 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 melanin pigment. |
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| Inflammation of the subcutaneous tissue caused by staphylococci. |
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| The brief transition period between the growth and resting phases of a hair follicle. |
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| the five elements the make up human hair, skin, tissue, and nails -carbon, oxygen, hydrogen, nitrogen, sulfur. |
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| The middle layer of the hair; a fibrous protein core formed by elongated cells containing melanin pigment. |
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| A tuft of hair that stands straight up. |
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| The outermost layer of hair; consisting of a single, overlapping layer of transparent, scale-like cells. |
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Definition
| A small cone shaped elevation located at the base of the hair follicle that fits into the hair bulb. |
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Definition
| A strong chemical side bonds that join the sulfur atoms of two neighboring cysteine amino acids to create cystine, which joins together two polypeptide strands like rungs on a ladder. |
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| Melanin that give brown and black color to hair |
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| A tube like depression or pocket in the skin or scalp that contain the hair root. |
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| A technical term for brittle hair. |
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| A boil; acute, localized bacterial infection of the hair follicle. |
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| The lowest part of a 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 on one square inch of scalp |
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| Ability of the hair to stretch and return to its original length without breaking. |
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| The 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 hair that projects beyond the skin. |
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| The hair flowing in the same direction, resulting from follicles slopping in the same direction. |
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| The thickness or diameter of the individual hair strand. |
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| A spiral shape created by polypeptide chains that intertwine around each other. |
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Definition
| A weak physical side bond that is easily broken by water or heat. |
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Definition
| A condition of abnormal hair growth, characterized by the growth of teminal hair in areas of the body that normally grow only vellus hair. |
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| The largest and fastest growing organ of the body;composed of the hair, skin, and nails. |
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| A process by which newly formed cells in the hair bulb mature, fill with keratin, move upward, lose their nucleus, and die. |
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| A naturally occurring fungus that is present on all human skin, and is responsible for dandruff. |
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| The innermost layer of the hair, composed of round cells; often absent in fine hair. |
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| The tiny grains of pigment in the cortex that give natural color to the hair. |
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| A technical term for beaded hair. |
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| The infestation of the hair and scalp with head lice. |
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Definition
| The(end bond) chemical bond that joins amino acids to each other, end to end, to form a polypeptide chain. |
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Definition
| A melanin that provides natural hair colors from red and ginger to yellow/blond tones. |
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| The dandruff, an inflammation of the skin characterized by the formation and flaking of fine, thin scales. |
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| Pityriasis Capitis Sipmlex |
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Definition
| A technical term for classic dandruff, characterized by scalp irritation, large flake and itchy scalp. |
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Definition
| The scalp inflammation marked by fatty (greasy or waxy) types of dandruff. |
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| A long chain of amino acids linked by peptide bonds. |
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| The temporary hair loss experienced at the conclusion of a pregnancy. |
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| variety of canities characterized by The alternating 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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| A highly contagious disease caused by mites that burrow under the skin. |
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| A dry, sulfur-yellow, cup-like crusts on the scalp in tinea favosa or favus. |
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| The oil glands of the skin connected to hair follicles. |
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| The medical term for pityriasis steatoides accompanied by redness and inflammation. |
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| The oily secretion of the sebaceous glands, which lubricates that hair and skin. |
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| The resting phase , the final phase in the hair cycle that lasts until the fully grown hair is shed. |
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| The long hair found on the scalp as well as on legs, arms, and body of both males and females. |
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Definition
| The medical term for ringworm, a contagious condition caused by fungal infection. |
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| A fungal infection of the scalp characterized by red papules, or spots at the opening of hair follicles. |
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Definition
| A fungal infection characterized by dry, sulfur-yellow, cup like crusts on the scalp, called scatula. |
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| The science dealing with study the hair, its diseases, and care. |
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| The knotted hair, characterized by brittleness and the formation of nodular swellings along the hair shaft. |
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| The(lanugo) short, fine, downy hair that appears on the body with the exception of the palms of the hands and the soles of the feet. |
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| The amount of movement in the hair strand described as straight, wavy, curly, and extremely curly. |
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| The hair that forms in a circular pattern, as on the crown. |
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| The technical term for split ends. |
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