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where keratinocytes begin to flatten and their nuclei and organelles begin to disintegrate
where the major portions of hair follicles as well as oil and sweat glands are derived from
prolonged pressure causes blood flow to the skin to stop, which eventually leads to the breaking down of the tissue
thin superficial layer of areolar CT in which the collagen and elastic fibers are heavily invested with blood vessels
consists of dense irregular CT containing collagen and elastic fibers, adipose cells, hair follicles, nerves, and sebaceous and sudoriferous glands
a condition in which there is a partial or complete loss of melanocytes from patches of skin
type of gland all over the body except for the nipples and parts of the external genitalia
Chemical, Physical/Mechanical, and Biological
3 types of protection provided by the integumentary system
glycolipids block the diffusion of water in and out of the body
one physical/mechanical barrier for protection supplied by the integumentary system
Langerhans' cells (immunity agent)
one biological barrier for protection supplied by the integumentary system
Protection, Body Temperature Regulation, Cutaneous Sensation, Metabolic Functions, Blood Resevoir, and Excretion
6 Functions of the integumentary system
sunlight converts cholesterol in dermal blood vessels to a vitamin D precursor
Metabolic function of the integumentary system
a logical, coordinated process in which a precise sequence of tiny alterations changes a normal cell into a killer
resemble immature cells and invade their surroundings rather than pushing them aside
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