The structure that has an antrum is the Mature follicle.

Here's a step-by-step explanation:

1. Primordial follicle: This is the earliest stage of a follicle, it does not have an antrum. It consists of an immature oocyte surrounded by a single layer of squamous cells.

2. Primary follicle: This is the next stage, where the follicle grows in size and the oocyte increases in maturity. However, it still does not have an antrum.

3. Secondary follicle: This stage sees the follicle continue to grow and the oocyte continue to mature. The follicle begins to produce fluid-filled spaces, but these do not yet form a single, large antrum.

4. Mature follicle (also known as a Graafian follicle): This is the stage where the antrum forms. The fluid-filled spaces within the follicle coalesce to form a single, large antrum.

5. Corpus luteum: This structure forms after the mature follicle releases its oocyte during ovulation. While it does contain a cavity, this is not referred to as an antrum.

So, the correct answer is the Mature follicle.

Question

The structure that has an antrum is the Mature follicle.

Here's a step-by-step explanation:

1. Primordial follicle: This is the earliest stage of a follicle, it does not have an antrum. It consists of an immature oocyte surrounded by a single layer of squamous cells.

2. Primary follicle: This is the next stage, where the follicle grows in size and the oocyte increases in maturity. However, it still does not have an antrum.

3. Secondary follicle: This stage sees the follicle continue to grow and the oocyte continue to mature. The follicle begins to produce fluid-filled spaces, but these do not yet form a single, large antrum.

4. Mature follicle (also known as a Graafian follicle): This is the stage where the antrum forms. The fluid-filled spaces within the follicle coalesce to form a single, large antrum.

5. Corpus luteum: This structure forms after the mature follicle releases its oocyte during ovulation. While it does contain a cavity, this is not referred to as an antrum.

So, the correct answer is the Mature follicle.

Knowee AI · Accepted Answer

The structure that has an antrum is the Mature follicle.

Here's a step-by-step explanation:

1. Primordial follicle: This is the earliest stage of a follicle, it does not have an antrum. It consists of an immature oocyte surrounded by a single layer of squamous cells.

2. Primary follicle: This is the next stage, where the follicle grows in size and the oocyte increases in maturity. However, it still does not have an antrum.

3. Secondary follicle: This stage sees the follicle continue to grow and the oocyte continue to mature. The follicle begins to produce fluid-filled spaces, but these do not yet form a single, large antrum.

4. Mature follicle (also known as a Graafian follicle): This is the stage where the antrum forms. The fluid-filled spaces within the follicle coalesce to form a single, large antrum.

5. Corpus luteum: This structure forms after the mature follicle releases its oocyte during ovulation. While it does contain a cavity, this is not referred to as an antrum.

So, the correct answer is the Mature follicle.

Which of the following has an antrum?Multiple ChoicePrimordial folliclePrimary follicleSecondary follicleMature follicleCorpus luteum

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