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