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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
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.
A
Primary Follicle
Growing Follicles
Mature Vesticular (Graafian Follicle)
Antrum
Corona Radiata
B
Primary Follicle
Growing Follicles
Mature Vesticular (Graafian Follicle)
Antrum
Corona Radiata
C
Primary Follicle
Growing Follicles
Mature Vesticular (Graafian Follicle)
Antrum
Corona Radiata
D
Primary Follicle
Growing Follicles
Mature Vesticular (Graafian Follicle)
Antrum
Corona Radiata
E (Entire Structure)
Ovulation
Secondary Oocyte
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
G
Ovulation
Secondary Oocyte
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
H
Corpus Luteum
Degenerating Corpus Luteum
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
I
Corpus Luteum
Degenerating Corpus Luteum
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
J
Corpus Luteum
Degenerating Corpus Luteum
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
K
Corpus Luteum
Degenerating Corpus Luteum
Mature Vesticular (Graafian Follicle)
Ruptured Follicle
Developing Corpus Luteum
Structure A contains....
Primary Oocyte
Secondary Oocyte
Ovum
Corpus Luteum
Nothing
Structure B contains....
Primary Oocyte
Secondary Oocyte
Ovum
Corpus Luteum
Nothing
Structure E contains....
Primary Oocyte
Secondary Oocyte
Ovum
Corpus Luteum
Nothing
Structure H contains....
Primary Oocyte
Secondary Oocyte
Ovum
Corpus Luteum
Nothing
Structure J contains....
Primary Oocyte
Secondary Oocyte
Ovum
Corpus Luteum
Nothing
Follicle cells function too...
Stimulate oocyte growth and maturity
Secrete progesterone to prepare for pregnancy
Stimulate ovulation
Stimulate changing in the uterine lining
Nothing
How do primary oocytes differ from secondary oocytes?
Secondary oocytes are more mature them primary oocytes
Primary oocytes are more mature them secondary oocytes
Secondary oocytes are arrested in Prophase I of Meiosis while primary oocytes are arrested in Metaphase II of Meiosis.
Primary oocytes are arrested in Prophase I of Meiosis while Secondary oocytes are arrested in Metaphase II of Meiosis.
Primary oocytes are ovulated while Secondary oocytes are not
Triggers ovulation to occur
Follicle-Stimulating Hormone (FSH)
Estrogen
Progesterone
Luteinizing Hormone
Testosterone
Stimulates the formation of Luteinizing Hormone
Follicle-Stimulating Hormone (FSH)
Estrogen
Progesterone
Luteinizing Hormone
Testosterone
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