Lab Report: Classification of Body Membranes

Topics: Synovial fluid, Skin, Rheumatoid arthritis Pages: 3 (413 words) Published: March 21, 2013
AP - Lab ReportName: ____________________

Section: ___________________

Classification of Body Membranes

Purpose: What is the purpose of this exercise? Is there any safety concerns associated with this exercise? If so, list what they are and what precautions should be taken.

The purpose of this exercise is to be able to classify the membranes and learn about each. In this lab I will observe each membrane. Basically just getting to know each membrane better. Exercise 1: The Microscopic Structure of Cutaneous Membranes

Observations: Draw your sketch of keratinized stratified squamous epithelium here. Label the keratinized layer. Describe the structures and cells you observed.


A. What is keratin?
Tough fibrous protein.
B. Why is your skin keratinized?
To protect the skin from the outside.
Exercise 2: Microscopic Structure of Mucous Membranes

Draw your observations of the following tissues and describe the cells and structures you observed:

Mucosa of Trachea
Mucosa of Esophagus
Mucosa of Small Intestine


A.Compare and contrast the roles of the three mucous membranes. All three of the membranes are meant to protect. What are different about them are their position and their function. They are located in different places, and have different requirements. B.What is the role of mucous in the body?

Trap pathogens so that the body won’t be exposed to disease. Exercise 3: Structure of Synovial Membranes


A.What is the function of the synovial membrane?
To line the joint cavity, and produce synovial fluid that helps bones move. B.Rheumatoid arthritis results in part from an infection and immune response in the synovial membrane. What effects does this have on the ability of this membrane to carry out its functions? Lowers the amount of synovial fluid, causing the joints to not be able to move freely. Fill in the following table:

Table 1
Membrane|Tissue Types...
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