| | The main elements that make up human hair are carbon, oxygen, hydrogen, nitrogen and sulfur and the acronym used to remember that is _____ |
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| | The hair follicle, dermal papilla, arrector pili muscle, hair bulb and sebaceous glands are the 5 main structures of the hair ____ |
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| | The three growth cycles of hair are anagen, catagen and telogen; _____ is the final, resting phase |
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| | Small cone-shaped area located at the base of the hair follicle that fits into the hair bulb |
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| | Layer of the hair shaft that creates the shine and the smooth, silky feel of healthy hair |
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| | Curly, extremely curly and straight are all used to describe hair's natural ____ pattern |
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| | The hair shaft that emerges from the scalp is a nonliving fiber composed of ____ protein |
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| | Units of structure that build protein and are joined together end to end like pop beads |
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| | Tiny, involuntary muscle fiber in the skin inserted in the base of the hair follicle |
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| | Ability of the hair to stretch and return to its original length without breaking |
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| | Alopecia ____ is the falling out of hair in round patches or baldness in spots |
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| | Pocket or tube-like depression in the scalp or skin that holds the hair root |
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| | The thickened club-like structure that forms the lower part of the nail root |
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| | Hair that requires longer processing time and is largest in diameter |
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| | Characterized by dry, sulfur-yellow, cup-like crusts on the scalp |
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| | Highly contagious skin disease caused by a parasite called a mite |
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| | Where cells originate from that grows the protein of the hair |
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| | Three types of side bonds are hydrogen, disulfide and ____ |
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| | Another name for vellus hair; short, fine, downy hair |
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| | Physical side bond easily broken by water and heat |
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| | Long chain of amino acids linked by peptide bonds |
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| | Infestation of the hair and scalp with head lice |
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| | Weak, physical side bond broken by changes in pH |
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| | Melanin that provides black and brown haircolor |
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| | Chemical side bond broken by chemical change |
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| | Substance secreted by the sebaceous glands |
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| | Ability of hair to absorb moisture |
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| | Diameter of individual hair strand |
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| | Condition of abnormal hair growth |
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| | Pigment found within the cortex |
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| | Amount of hair per square inch |
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| | Technical term for split ends |
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| | Technical term for gray hair |
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| | Caused by fungal organisms |
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| | Medical term for dandruff |
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