Chickscope Embryology:

Days 16: What Shape is an Egg?

Major Events:

• The embryo turns its beak toward the air cell.

• The chorioallantoic cavity lines most of the inside surface of the egg shell.

What Do I Look Like Today?

Focus On: What Shape is an Egg?

Today's focus comes from the EggMath unit where we will study the shape of eggs and how to create them using pins and strings, with a few fancy Java applets tossed in for good measure.

• Symmetry and Cross-Section.

• Surfaces of Revolution.

• Ellipses with Pins and Strings.

• Equations for an Ellipse.

• Cartesian Oval.

• Cassini Ovals.

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