1. The Tree Man: Is he for real? http://www.youtube.com/watch?v=eJLG85gn 0bc

2. The Tree Man… What is the tree man suffering from? Is there a cure? What system is being affected in this story?

3. The Integumentary System

21. Your job… Draw a diagram of skin on the whiteboard and label the parts In a few minutes we will go over the diagram.

22. Epidermis Layer

23. Tissue Repair and wound healing

24. Tissue Repair

25. Video! http://www.youtube.com /watch?v=iXfM13u3mp8 Granulation tissue Good regeneration: –Skin, bone Poor regeneration: –Cardiac & nervous tissue

27. NEOPLASMS- Cancerous or Benign Cell divides rapidly (cancerous or benign) An abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Neoplasms may be benign (not cancer), or malignant (cancer). Also called tumor.

28. Hyperplasia Tissues enlarge because of a stimulus that irritates the cells Instead of finding a benign or malignant tumor, microscopic examination of a biopsy specimen will sometimes detect a condition called "hyperplasia." Nonetheless, cell structure and the orderly arrangement of cells within the tissue remain normal, and the process of hyperplasia is potentially reversible. An example of hyperplasia is a callus that may form on your hand when you first learn to swing a tennis racket or a golf club.

29. Atrophy