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Integumentary System

Integumentary System. Functions. 1. __________and __________ the body What does the skin protect us from?. Functions. 2. Regulate body __________ How does it regulate __________?. subcutaneous. Functions. 3. __________ Waste What wastes are __________? __________ as __________.

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Integumentary System

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  1. Integumentary System

  2. Functions 1. __________and __________ the body What does the skin protect us from?

  3. Functions 2. Regulate body __________ How does it regulate __________?

  4. subcutaneous Functions 3. __________ Waste What wastes are __________? __________ as __________

  5. Functions 4. Reduces __________ loss Keeps the body from __________ out!

  6. Functions 5. __________ and __________ deeper __________.

  7. Functions 6. Houses __________ receptors

  8. Microanatomy - Layers of the Skin • __________ • __________ • __________ • __________ tissue • __________ / __________ • __________ connective tissue • Anchors skin to bone or muscle • __________ Appendages = outgrowths of epidermis www.uptodate.com/.../Melanoma_anatomy.jpg

  9. There are 2 main layers of skin 1. 2.

  10. Stratum corneum Dead keratinocytes Stratum lucidum Stratum granulosum Lamellar granules Keratinocyte Langerhans cell Stratum spinosum Melanocyte Merkel cell Stratum basale Tactile disc Sensory neuron Dermis Epidermis Outer (surface) layers of skin ________cells thick Two Parts: Inner part composed of __________ cells Outer part is of __________ cells

  11. Epidermis – Inner layers Lowest layer of cells __________ and push __________ cells toward the __________. As cells near the __________, they __________ and their organelles __________

  12. Epidermis – Inner layers These cells also begin producing __________ a tough, fibrous protein. This replaces __________.

  13. Epidermis – Outer layers The __________ producing cells __________ as they move toward the surface. Outer dead layer __________ and __________ inner layers It is __________ continually and is completely replaced in __________ weeks

  14. Epidermis What do we find in the epidermis? Melanocytes What are melanocytes? Cells that produce melanin. What is melanin? A dark brown pigment What does melanin do? Gives skin it’s color Protects sensitive dermis from U-V radiation

  15. Epidermis Melanocytes Do some people have more melanocytes than other people?

  16. Epidermis Skin pigmentation is due to the type and amount of melanin produced __________ produces __________ pigments _________________produces __________ pigments and freckles These often occur together in __________ __________ Melanocyte

  17. Dermis Deeper layers of skin __________ times thicker than epidermis. Top layer arranged In ridges. Why are there ridges? Dermis

  18. Dermis __________ help the __________ bind to the __________. The uneven ridges create __________ Dermis

  19. Accessory Organs of the Dermis 1. __________ __________– tube-like depression where the hair develops

  20. Accessory Organs of the Dermis 2. __________ __________– secret oily sebum to soften and waterproof skin

  21. Accessory Organs of the Dermis 3. __________– protective covers of ends of fingers and toes.

  22. Accessory Organs of the Dermis 4. __________ glands:

  23. Accessory Organs of the Dermis 5. __________ __________– to nourish skin cells

  24. Subcutaneous Accessory Organs of the Dermis 6. __________– to send and receive messages

  25. subcutaneous Accessory Organs of the Dermis 7. __________ __________ __________ - __________ muscle -causes “__________” -causes hair to stand __________

  26. Hypodermis/ Subcutaneous layer – connective tissue Anchors __________ to the body Contains _____ cells to protect and cushion Hypodermis/ Subcutaneous layer

  27. Blood vessels Connective tissue Dermis Epidermis Fat cells Hair Hair follicle Muscle Neuron Sebaceous gland Subcutaneous layer Sweat gland Sweat pore Self Quiz L. M. I. H. A. B. A. G. K. L. B. J. J. F. D. I. C. K. C. D. H. E. E. M. G. F.

  28. Disorders of the Skin __________– infection of __________ gland

  29. Disorders of the Skin __________ __________– fleshy growths on neck, armpits and body. __________! Tumor

  30. Disorders of the Skin __________ __________– Blood vessel abnormality affecting .5% of population – darkens skin

  31. Disorders of the Skin __________– dry, sensitive skin

  32. Disorders of the Skin __________ __________

  33. Disorders of the Skin __________ __________ __________ __________ __________ __________

  34. Disorders of the Skin __________– bacterial infection

  35. Disorders of the Skin __________– chronic inflammation

  36. Disorders of the Skin Melanoma __________ Carcinoma

  37. Disorders of the Skin Common wart Warts- __________ infection Plane warts Plantar wart

  38. Disorders of the Skin BurnsFirstdegree Seconddegree Thirddegree

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