Sam,+Ashley,+Tony

1. Match the following

a. Pacinian corpuscles 1. Light touch dermis (dynamic) b. Merkel’s discs 2. Pain and temperature c. Meissner’s corpuscles 3. Deep pressure d. Free nerve endings 4. Light touch static (epidermis)

a. 3, b. 4, c. 1, d. 2

2. What disease is the direct result of lack of vitamin D production in the epidermis? Name the disease and explain its effects.

Rickets Rickets is a condition involving growth retardation resulting from lack of vitamin D. It results in bones that are soft, weak, and easily broken. People can develop rickets if they have a deficiency of vitamin d in their diet or they recieve inadequate amounts of sunlight.



3. What are 3 accessory structures found in the dermis? a. Sweat Glands b. Hair Follicle c. Nerves

4. Wrinkles a. Which over-stretched protein causes wrinkles? <span style="color: #800080; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">Collagen and Elastin

<span style="font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">b. Name 2 things that can cause wrinkles. <span style="color: #800080; font-family: 'Lucida Sans Unicode','Lucida Grande',sans-serif;">Sun exposure and old age