Integumentary System

Topics: Skin, Squamous cell carcinoma, Epidermis Pages: 4 (891 words) Published: March 31, 2013
Integumentary System

Lab RepoRt assistant
This document is not meant to be a substitute for a formal laboratory report. The Lab Report Assistant is simply a summary of the experiment’s questions, diagrams if needed, and data tables that should be addressed in a formal lab report. The intent is to facilitate students’ writing of lab reports by providing this information in an editable file which can be sent to an instructor.

Purpose:

What is the purpose of this exercise?
The purpose of this experiment is to look at the skin and all of its functions. Also to look at some diseases that effect the skin such as cancer, aging, and acne.

Are there any safety concerns associated with this exercise? If so, list what they are and what precautions should be taken. There is no foreseen safety concerns with this lab.

Exercise 1: Structures of the Skin
obseRvations
Before beginning, set up a data table similar to this Data Table 1. Fill in the names of the numbered structures.

SkinDiagram(National Library of Medicine at http://nih.nlm.gov)

Data Table 1: Structures of Skin||
Item|Name|
1.|Sweat Pore|
2.|Dermal papila |
3.|Sensory Nerve Ending|
4.|Epidermis|
5.|Dermis|
6.|Subcutis (Hypodermis)|
7.|Pancinian Corpuscle|
8.|Sweat Gland|
9.|Hair Follicle|
10.|Sebaceous Gland|
11.|Arrector Pili Muscle|
12.|Hair Shaft|

Questions

A.How does the skin tan when exposed to ultraviolet light?
The epidermis has melanin in it that protects the epidermis and when it is exposed to UV light it is moved to the skin cells and creates a tan color because the melanin is a pinkish tint.

B. Describe the functions of the epidermis
It is the outermost layer of the body and it is used to protect everything within the body like the...
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