Epidermis Crossword

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Across
  1. 6. This can damage DNA and promote development of cancer
  2. 7. Excessively dry skin
  3. 8. Another word for sunburn, damages the epidermis and dermis
  4. 10. "Clear layer", covers the stratum granulosum
  5. 12. These cells are sensitive to touch and release chemicals that stimulate sensory nerve endings
  6. 14. Pigment cells that give the skin a brown tone
  7. 17. The different levels of _____ and melanosomes synthesis creates the differences in skin color
  8. 18. Means layer
  9. 19. The body's most abundant epithelial cells
  10. 21. The stratum corneum is _______ but not water proof
  11. 23. Formation of protective, superficial layers of cells filled with keratin
  12. 24. These cells dominate the stratum germinativum
  13. 27. Fibrous protein found throughout the skin cells and in the hair and nails
  14. 28. Small pigmented areas where larger-than-average amounts of melanin are produced
  15. 29. In _____-skinned people the melanosomes are bigger
  16. 30. Thick skin can be found on the ____ of the hands and soles of the feet
Down
  1. 1. The transport of _______ colors the skin, especially of paler individuals
  2. 2. In ____-skinned people the keratinocytes lose the pigmintation once they reach the more superficial layers
  3. 3. The exposed surface of the skin, contains keratinized cells
  4. 4. An abundance of carotene
  5. 5. Considered the "grainy layer"; cells have stopped dividing and start producing large amounts of keratin once reaching this layer
  6. 9. Inner most layer of the epidermis
  7. 11. Melanin is produed bu melanocytes using the amino acid tyrosine and is deposited in intercellular vesicels called ____
  8. 13. These cells stimulate a defense against microorganisms and superficial skin cancers
  9. 15. Orange-yellow pigment that normally accumulates in epidermal cells
  10. 16. Similar to freckles but have regular borders and contain abnormal melanocytes
  11. 20. Brown, yellow-brown, or black pigment procduced by melanocytes
  12. 22. Melanocytes are the same in _______, though their melanocytes do not produce melanin
  13. 25. A sign of skin cancer; when one half does not match the other
  14. 26. The layer with 8 to 10 layers of keratinocytes bound together by desosomes