20 Post-Lab for Integument
Gillian Backus; Heidi W. Wangerin; and Paula Rodgers
Post-Lab: Integument Lab
Name: ________________________
Lab Checkout:
When you finish the lab, please clean up your lab space and put away your materials neatly in the tray. Once you have thoroughly cleaned, washed, and dried your lab table, please get your instructor’s initials to check-out of lab.
- Lab bench clean, washed, and dried
- Materials put away properly and organized in trays
- Microscope properly put away
Lab completed (% completed = ______ %) Instructor initials: ______________
Activity 1: Layers and Cells of the Epidermis
1. Given the description below, predict whether you expect the area to be covered by thick or thin skin.
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- An area of the body commonly subjected to high levels of abrasion ______
- Region of the body that releases sweat into a hair follicle ___________
Activity 2: Layers and Structures of the Dermis and Hypodermis
2. Given the function below, identify the structure of the skin which fits this function.
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- Sensory receptors that respond to deep touch/pressure. ___________
- Sensory receptors which respond to light touch. _____________
- Secretes lipids which serve as a waxy barrier to keep the skin moist. ___________
- Secretes a protein rich liquid which produces an odor that is influenced by sex hormones. ___________
- Secretes a liquid that is mostly water and serves to cool the body. ___________
3. Epithelial tissue is avascular (no blood vessels). Where would blood capillaries be found to support epithelial tissue?
Putting It All Together
4. This type of cancer is identified as squamous cell carcinoma. Compare Figure 3 and Figure 10 with Figure 9 in your lab manual, and look specifically at the typical cell types present. What cell type do you think is over-abundant in this lesion? Explain your response.
5. Treatment consists of excising the mass. Look carefully at Figure 9 at the image of the patient’s lesion and name the layers of the skin that you think will need to be excised to remove the cancer cells from this patient.
