Permanent slide of T.S. of blastula, compound microscope.
Real lab Procedure
- Observe the slide under lower magnification of the microscope.
- Note the feature of blastula.
- Drag and drop the slide onto the stage of the compound microscope.
- Click on the eyepiece of the compound microscope to view the sample.
- To observe each part, you can mouse over the image, each part will zoom in.
- To label the image, click on zoomed part of image.
- Drag and drop the correct labels to appropriate places.
- Drag the correct part from the list of cells and drop it in the correct place to form a complete image of sample shown.
- You can repeat the experiment by clicking on the ‘Reset’ button.
- If you have any doubts, you can click on the help button that provides hints.
- In transverse section, the blastula appears as a sphere with a cavity, called blastocoel.
- The cells in the blastula arrange themselves in two layers: the inner cell mass, and an outer layer called the trophoblast.