Black Skin: Structure and Function

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Gulf Professional Publishing, Aug 10, 1993 - Science - 158 pages

This book is the first to concentrate on the structure and function of black skin. There are some physiological and structural differences between black and white skin; an area of intense interest is that of differences in response to sunlight and other damaging agents. An understanding of response to damaging agents is central to the problems of preventing or forestalling the early effects of aging in skin (a goal that is responsible for the current expansion in dermatological research).

This book provides a concise multi-disciplinary insight into the biology, physiology, and chemistry of black skin. Primary emphasis is on the nature and origin of the pigmentary color and how this is related to specific properties of black skin, such as photoprotection and low incidence of skin cancers, that are lacking in white skin. Other topics covered include dermatology and cosmetics of black skin from a practical viewpoint of skin care and current treatments of pigmentary disorders. Black Skin is accessible to a broad range of readers from graduate students to specialists in physical anthropology, skin biology, dermatology, and cosmetology, as well as medical practitioners.



  • Explains the molecular basis of racial color differences and the chemistry of melanin
  • Covers the biologic uniqueness of black skin, including: Lack of elastosis in young skin; Keloid formation
  • Includes pigmentary disorders of black skin
  • Addresses the cosmetics of black skin
 

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Contents

Introduction
21
The Epidermis
22
The Cutaneous Appendages
29
The Dermis
37
Comments on the Structure of Black Skin
49
Biological Differences between Blacks and Whites 1 Hypertension
55
The Color of Eyes Nails and Buccal Mucosa
56
Cold Adaptation
57
Pigmentary Disorders That Occur in Black Skin I Introduction
101
Q Vitiligo
104
Other Pigmentary Disorders
110
Chemical Agents and Pigmentary Disorders
111
Postinflammatory Pigmentary Disorders
112
The Dermatology of Black Skin I Introduction
115
Actinic Keratosis and Skin Cancer
116
Pseudofolliculitis Barbae
117

UVB Susceptibility
58
Acne
59
Odds and Ends
60
Skin Melanocytes i Origins of Melanocytes
61
The Production of Melanin by Melanocytes
65
in Variations in Cutaneous Melanocytes
67
Melanosomes and Variations in Skin Color
69
The Fate of Melanosomes
70
Nonhormonal Influences on Skin Color
72
Melanins and Related Metabolites l Introduction
73
Earlier Workers
74
The MelaninForming Enzyme
75
The Tyrosinase Gene and Protein
77
Varieties of Melanins
79
The Chemistry of Melanin
81
MelaninRelated Metabolites
88
Biosynthesis of Melanin
90
The Intriguing Function of Melanin
97
Perifolliculitis Capitis Abscedens et Suffodiens 1 18
118
Dermatosis Papulosa Nigra
119
Disseminate and Recurrent Infundibulofolliculitis
120
Wound Healing and the Formation of Keloids I Introduction
121
The Healing Process
124
Wound Contraction and Scar Formation
125
Other Differences between Hypertrophic Scars and Keloids
126
Keloids
127
Cosmetic Surgery
128
Cosmetics for Black Skin I Introduction
129
Cover Cosmetics
130
The Stratum Corneum
131
Skin Lubricants
132
Melasma
133
Postscript
135
References
137
Subject Index
153
Copyright

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Popular passages

Page 138 - Brown, GM and J. Page. 1952. The effect of chronic exposure to cold on temperature and blood flow of the hand.
Page 140 - Selective proliferation of normal human melanocytes in vitro in the presence of phorbol ester and cholera toxin. Proc.
Page 144 - Isolation and sequence of a cDNA clone for human tyrosinase that maps at the mouse c-albino locus.
Page 138 - The risk of subarachnoid and intracerebral hemorrhages in blacks as compared with whites. N. Engl. J. Med., 326.
Page 149 - Biology of sweat glands and their disorders. I. Normal sweat gland function. J Am Acad Dermatol 20: 537, 1989.
Page 139 - Cowles, RB 1959. Some ecological factors bearing on the origin and evolution of pigment in the human skin.
Page 139 - Johnson, BE, 1972, Theories of the role of pigment in the evolution of human races, in "Pigmentation: Its Genesis and Biologic Control,
Page 145 - G. Effect of human growth hormone in patients with severe burns. Acta Chir Scand 1961; 122:1-14.
Page 137 - Dermatology in General Medicine. TB Fitzpatrick, AZ Eisen, K. Wolff, IM Freedberg, and KF Austen, eds.

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