Integumentary System

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 6. Any malignant tumor derived from epithelial tissue (9)
  2. 9. The outermost layer of the epidermis consisting of dead cells that slough off (14)
  3. 11. The innermost layer of the epidermis (13)
  4. 15. The outer layer of the skin covering the exterior body surface of vertebrates (9)
  5. 16. The outer layer of the skin covering the exterior body surface of vertebrates (7)

Down

  1. 1. Layer of cells that secretes the chitinous cuticle in e.g. arthropods (10)
  2. 2. A small tubular cavity containing the root of a ___ (12)
  3. 3. Organic process by which ___ is deposited in cells and the cells become horny (14)
  4. 4. A bluish discoloration of the skin and mucous membranes (8)
  5. 5. A cell in the basal layer of the epidermis that produces ___ under the control of (10)
  6. 7. Insoluble pigments that account for the color of e.g. skin and scales and feathers (7)
  7. 8. Relating to or located below the epidermis (12)
  8. 10. The congenital absence of pigmentation in the eyes and skin and hair (8)
  9. 12. The oily secretion of the sebaceous glands (5)
  10. 13. The deep vascular inner layer of the skin (6)
  11. 14. Producing a secretion in which part of the secreting cell is released with the secretion (8)