The cavity present in the Graafian follicle is called

Options

A. Amniotic cavity
B. Archenteron
C. Antrum
D. Ostium

Answer

To solve the question regarding the cavity present in the Graafian follicle, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Graafian Follicle**:
- The Graafian follicle is the most mature form of the ovarian follicle. It is crucial in the female reproductive system as it contains the developing oocyte.

2. **Identifying the Components of the Graafian Follicle**:
- Within the Graafian follicle, there is a secondary oocyte, which is the egg cell that is ready for ovulation.

3. **Recognizing the Cavity**:
- The Graafian follicle contains a fluid-filled cavity that plays a significant role in the maturation of the oocyte.

4. **Naming the Cavity**:
- The specific name for the cavity within the Graafian follicle is the "Antrum."

5. **Evaluating the Options**:
- Option 1: Amniotic cavity - Incorrect, as this is related to the embryo.
- Option 2: Arcanteron - Incorrect, as this refers to the primary gut in embryonic development.
- Option 3: Antrum - Correct, as this is the name of the cavity in the Graafian follicle.
- Option 4: Ostium - Incorrect, as this refers to the openings in sponges.

6. **Conclusion**:
- The correct answer is option 3: Antrum.

### Final Answer:
The cavity present in the Graafian follicle is called the **Antrum** (Option 3).

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