Epithelial tissue 1

=Activity No # 1 - Observation of the epithelial tisue=

Estimated Time
30 minutes

Materials/ Resources needed
A small piece of inner lining of mouth,dissection needle,glass dish,methylene blue,cover slip,glycerine,microscope etc.

Prerequisites/Instructions, if any
Observe the slide carefully and try to identify the tissue and draw the picture of the same.

Process (How to do the activity)

 * Remove a piece of inner lining of the mouth.
 * Place it in a glass dish with water.
 * Transfer it to a glass slide.
 * Add 1 to 2 drops of methylene blue on the section and wash the extra stain with water.
 * Add 1 to 2 drops of glycerine and cover the tissue with a cover slip gently and remove the extra stain with a blotting paper.
 * Mount the slide on the microscope and observe carefully.

Developmental Questions (What discussion questions)

 * 1) What is the shape of the cells you observed?
 * 2) What are they called?

Evaluation (Questions for assessment of the child)

 * 1) What is the function of squamous epithelium?

Question Corner
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