The Cavity contained in Graafian follicle is

• A. Antrum
• B. Centrocoel
• C. Blastocoel
• D. Archenteron

The cavity found in a Graafian follicle is known as the Antrum. This structure plays a crucial role in the development of the follicle during the ovarian cycle.

Understanding the Antrum

The antrum is a fluid-filled space that forms within the follicle, providing a suitable environment for the oocyte's maturation. It is essential for the follicle's growth and function.

Other Terms Explained

• Centrocoel: This term refers to a central cavity in certain organisms, but it is not related to the Graafian follicle.
• Blastocoel: This is the fluid-filled cavity in a blastula during early embryonic development.
• Archenteron: This is the primitive gut formed during gastrulation in embryonic development.

In summary, the correct answer to your question is A. Antrum, as it specifically pertains to the structure within the Graafian follicle.