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Published byBerenice Rosalind Holland Modified over 9 years ago
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Developmental Aspects of Skin and Body Membranes
Essentials of Anatomy & Physiology – 6th Edition Page
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Lanugo 5th – 6th month of fetal development Downy type of hair
Shed by birth
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vernix caseosa Covers baby’s skin when born
White, cheesy-looking substance Produced by sebaceous glands Protects baby’s skin while in the womb
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http://www. pregnancy. org/images/pregnancy/pregnancycalendar/mo6500
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Milia Small white spots on nose and forehead
Accumulations in sebaceous glands
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During old age… Subcutaneous tissues decreases
Decrease tolerance for cold bruising Decreased oil production Dry skin Decreased collagen fibers Sagging skin Thinning skin
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During old age… Hair loses luster Decrease number of follicles
Alopecia (baldness) Tiny and colorless hair (vellus hair) Graying hair Melanin deposits on hair decreases
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Premature Hair Loss Anxiety Protein-deficient diets Chemotherapy
Excessive vitamin A Fungal disease such as “ringworm”
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