The Ovarian Cycle

Primary oocytes push their way into the ovary connective tissue and become surrounded by a single layer of primary follicles.

• Follicular Phase

• Ovulation Phase

• Luteal Phase

Follicle-Stimulating Hormone is released from the pituitary gland stimulating the follicle cells to grow and mature.

• Follicular Phase

• Ovulation Phase

• Luteal Phase

As the follicle prodded by FSH grows larger, it accumulate fluid in the central chamber called the antrum, and the primary oocyte it contains replicates its chomosomes and continues meiosis producing a secondary oocyte.

• Follicular Phase

• Ovulation Phase

• Luteal Phase

Tags

NGSS.HS-LS1-4

Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.

• Follicular Phase

• Ovulation Phase

• Luteal Phase

Luteinizing Hormone (LH) triggers the ruptured follicle to change into a corpus luteum which begins to secrete estrogens and progesterone.

• Follicular Phase

• Ovulation Phase

• Luteal Phase

Which events occur at #1

• Primary oocytes push their way into the ovary connective tissue and become surrounded by a single layer of primary follicles.

• Follicle-Stimulating Hormone is released from the pituitary gland stimulating the follicle cells to grow and mature around oocyte.

• As the follicle prodded by FSH grows larger, it accumulates fluid in the central chamber called the antrum.

• The primary oocyte it contains replicates its chomosomes and begins meiosis producing a secondary oocyte.

• Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.

Which events occur at #2

• Luteinizing Hormone (LH) triggers the ruptured follicle to change and develop into a corpus luteum which begins to secrete estrogens and progesterone.

• Corpus Luteum degenerates.

• As the follicle prodded by FSH grows larger, it accumulates fluid in the central chamber called the antrum.

• The primary oocyte it contains replicates its chomosomes and continues meiosis producing a secondary oocyte.

• Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.

Which events occur at #3

• Luteinizing Hormone (LH) triggers the ruptured follicle to change and develop into a corpus luteum which begins to secrete estrogens and progesterone.

• Corpus Luteum degenerates.

• As the follicle prodded by FSH grows larger, it accumulates fluid in the central chamber called the antrum.

• The primary oocyte it contains replicates its chomosomes and begins meiosis producing a secondary oocyte.

• Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.

Which events occur at #4

• Luteinizing Hormone (LH) triggers the ruptured follicle to change and develop into a corpus luteum which begins to secrete estrogens and progesterone.

• Corpus Luteum degenerates.

• As the follicle prodded by FSH grows larger, it accumulates fluid in the central chamber called the antrum.

• The primary oocyte it contains replicates its chomosomes and begins meiosis producing a secondary oocyte.

• Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.

Which events occur at #5

• Luteinizing Hormone (LH) triggers the ruptured follicle to change and develop into a corpus luteum which begins to secrete estrogens and progesterone.

• Corpus Luteum degenerates.

• As the follicle prodded by FSH grows larger, it accumulates fluid in the central chamber called the antrum.

• The primary oocyte it contains replicates its chomosomes and begins meiosis producing a secondary oocyte.

• Luteinizing Hormone (LH) triggers the release of the secondary oocyte from the Vesticular (Graafian) follicle.