Tissue Anatomy

Topics: Connective tissue, Tissues, Muscle Pages: 3 (748 words) Published: March 21, 2013

This lab focused on the examination and identification of tissues that make up the organs of the body.  The tissues are divided into four main categories: epithelial, connective, muscle, and neuronal.  Click on the thumbnail images to see a larger version.  All of the photomicrographs were taken using the 40X objective (400X magnification), which is the highest magnification we use in this lab. Other resources include linked web pages on the "Resources" page and the histology tutorial on the PhysioEx 7.01 CD. Remember, for the practical, you are expected to:

1) Identify the tissues
2) Know where the tissues are found
3) Know one function for the tissues
Epithelial tissue|
| Simple squamous epithelium Epithelial tissue that lines the air pockets (alveoli) of the lungs.  | | Stratified squamous epithelium The identification is from the shape of the top layer of cells.| | Simple cuboidal epithelium This tissue lines the tubules of the kidney.  You can see the lumen (open area) and the single layer of cuboidal cells that enclose a tubule.  The cells are cuboidal in shape with the nucleus in the center.| | Simple columnar epithelium This tissue lines the digestive tract.  The light fuzz on the apical surface of the cells are microvilli that increase the absorptive area of the cell.  The light purple structures are goblet cells, which are unicellular glands that secrete mucous. | |    Pseudostratified epithelium

This tissue lines the trachea. On the apical surface are cilia that are used to move mucous along the surface of the trachea. The cells vary in shape but there is only one layer of cells attached to the basement membrane. The shorter cells mixed with columnar cells give this epithelium the appearance of being made up of layers of cells.  |

| Transitional Epithelium This tissue lines the bladder.  The cells are stratified and are capable of changing their shape to accommodate the stretching of the bladder.| Connective...
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