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Epithelial Tissue Types and Wet Mount Preparation

Learn about squamous, cuboidal, columnar, and ciliated epithelial cells and how to make wet mounts of different types of cells. Also, prepare for the fetal pig dissection.

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Epithelial Tissue Types and Wet Mount Preparation

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  1. Bellringer: On your own, determine and write a ONE WORD definition for the following:1. Squamous2. Cuboidal3. Columnar4. Ciliated5. Single Layer6. 2 or more layers

  2. Answers! • Squamous 2. Cuboidal3. Columnar4. Ciliated 5. Single Layer6. 2 or more layers

  3. Today • Types of Epithelial tissue • Making a Wet Mount • Look at the many of the types of epithelial cells in a frog • Fetal Pig Dissection Prep

  4. Squamous • Squamous—cells are wider than tall (plate-like) – “squashed”

  5. Cuboidal • Cuboidal—cells are as wide as tall, like cubes

  6. Columnar • Columnar—cells are taller than they are wide, like columns

  7. Ciliated • Ciliated- Have cilia

  8. Layers • Simple—one layer of cells • Stratified—more than one layer of cells

  9. Handout • Examine the handout of all the types of epithelial tissue! • You will be making Wet Mounts of many of these tissues today and Thursday • Where to find?

  10. Structure and Function • Is there a connection?

  11. Making a Wet Mount • Place sample on slide • Place a drop of liquid on sample • Dye, Water, Saline solution • Place cover slip on sample (no air bubbles!) • Examine under microscope

  12. Try it out!

  13. Lab • Make wet mounts of as many different types of epithelial cells as you can! • Do you notice any difference?

  14. Fetal Pig Dissection Prep • Review Packet • Make a guide for yourself to help you find the parts of the pig you will need to make wet mounts

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