WOUND HEALING
, Anatomy of Skin
• Epidermis:
– composed of several thin layers:
stratum basale, stratum spinosum, stratum
granulosum, stratum lucidum, stratum corneum
– the several thin layers of the epidermis contain the
following:
a) melanocytes, which produce melanin, a pigment that
gives skin its color and protects it from the damaging
effects of ultraviolet radiation.
b) keratinocytes, which produce keratin, a water
Repellent protein that gives the epidermis its tough,
Protective quality.
, Anatomy of Skin
• Dermis:
– composed of a thick layer of skin that contains collagen
and elastic fibers, nerve fibers, blood vessels, sweat
and sebaceous glands, and hair follicles.
• Subcutaneous Tissue:
– composed of a fatty layer of skin that contains blood
vessels, nerves, lymph, and loose connective tissue
filled with fat cells
,
, Anatomy of Skin
• Epidermis:
– composed of several thin layers:
stratum basale, stratum spinosum, stratum
granulosum, stratum lucidum, stratum corneum
– the several thin layers of the epidermis contain the
following:
a) melanocytes, which produce melanin, a pigment that
gives skin its color and protects it from the damaging
effects of ultraviolet radiation.
b) keratinocytes, which produce keratin, a water
Repellent protein that gives the epidermis its tough,
Protective quality.
, Anatomy of Skin
• Dermis:
– composed of a thick layer of skin that contains collagen
and elastic fibers, nerve fibers, blood vessels, sweat
and sebaceous glands, and hair follicles.
• Subcutaneous Tissue:
– composed of a fatty layer of skin that contains blood
vessels, nerves, lymph, and loose connective tissue
filled with fat cells
,
