Hair
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Hair development begins at what week gestation? | 14
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| Direction of hair shaft is determined by what week gestation? | 15-19 weeks
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| Lanugo hair is present when? | 20 weeks gestation to birth
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| Characteristics of mature hair | 1. Central core 2. Outer scales 3. Melanin
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| Hair follicles over entire skin surface except: | 1. Palms/soles 2. Elbows/knees 3. Joints of fingers
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| Landmarks and measurements | 1. Distributions (thick, thin?) 2. Whorls (Brain development. Single= normal) 3. Color (AS hypopigmented) 4. Eyebrows- position, curvature 5. Pubic/axillary hair
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| Examination techniques | 1. Inspection of hairline 2. of distribution 3. of coloration 4. of unusual patches 5. of hair whorls 6. of hair loss 7. of texture (fragile, coarse, wiry)
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| Pili torti | Menke's... copper transport issues
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| TrichoRhinoPhalangeal syndrome | -Early onset -Arthritis - Joint problems -Wierd wiry, thin, currly hair Large foreheads!
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| Minor anomalies of hair | 1. Low anterior hairline 2. Widow's peak (hypertelorism) 3. Male pattern baldness 4. Upswept posterior hairline 5. Supernumerary whorls
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| Eyebrow minor anomalies | 1. Synophrys 2. Medial Flare 3. Thinning of lateral eyebrows
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| Cornelia de Lange | 7q del... all eyebrow issues, long eyelashes, widow's peak
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Created by:
KChatham
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