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53 Cards in this Set
- Front
- Back
Superficial epidermis |
Composed of keratinized stratified squamous epithelium |
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Underlying dermis |
Is most dense connective tissue |
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Surface epithelium |
Depends on site |
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Stratified squamous epithelium |
Mouth esophagus |
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Simple columnar epithelium |
Digestive tract |
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Underlying loose connective tissue |
Lines all body cavities that open to the exterior body surface |
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Overall dermis structure |
Collagen fibers located throughout the dermis |
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Collagen fiber |
Give skin elasticity |
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Blood vessels |
Play a role in body temp regulation |
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Melanin |
Yellow brown or black pigments |
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Carotene |
Orange-yellow pigment from some veggies |
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Hemoglobin |
Red coloring from blood cells in dermal capillaries |
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Oxygen content determines |
Red coloring |
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Cutaneous glands |
Are all exocrine glands |
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Sebaceous glands |
Sweat glands |
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Hair |
Hair follicles nails |
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Sebaceous glands |
Produce oil |
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Sebaceous glands |
Lubricant for skin Prevent brittle hair Kill bacteria |
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Subcutaneous tissue |
Is deep to dermis |
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Subcutaneous |
Is not part of the skin Anchors skin to underlying organs Composed mostly of adipose tissue |
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Stratum basale |
deepest layer of epidermis Lies next to dermis |
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Cells undergoing mitosis |
Daughter cells are pushed upward to become more superficial layers |
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Stratum spinosum |
Stratum granulisum |
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Stratum lucidum |
Formed from dead cells of the deeper strata |
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Stratum corneum deel |
Outermost layer of epidermis Shingle like dead cells are filled with keratin |
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Deepest |
Stratum basale |
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Superficial |
Stratum corneum |
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Deepest to superficial |
Basale Spinosum Granulosum Lucidum Corneum |
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Melanin |
Produced my melanocytes |
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Melanocytes |
Are mostly in stratum basale |
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Melanin |
Yellow to brown to black |
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Amount of melanin produced depends on |
Genetics and exposure to sunlight |
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Papillary |
Upper dermal layer |
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Projections called |
Dermal papillae |
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Some contain capillary loops |
Other house pain receptors and touch receptors |
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Reticular |
Deepest skin layer |
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Contains |
Blood vessels sweat and oil glands deep pressure receptors |
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Skin |
Cutaneous membrane |
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Skin derivatives |
Sweat glands Oil glands Hair Nails |
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Epidermis |
Outer layer |
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Stratified squamous |
Often keratinized |
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Dermis |
Dense connective tissue |
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Surface is a layer of |
simple squamous epithelium |
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Underlying layer is a thin layer of |
areolar connective tissue |
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Lines open body cavities that are |
Closed to the exterior of the body |
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Serious membrane |
Occurs in pairs separated by serous fluid |
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Visceral layer |
Covers the outside of the organ |
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Parietal layer |
Lines a portion of the wall of the ventral body cavity |
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Peritoneum |
Abdominal cavity |
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Pleura |
Around the lungs |
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Pericardium |
Around the heart |
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Synovial membrane |
Connective tissue only |
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Lines fibrous capsules surrounding joints |
Secrets lubricanting fluid |