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Ovarian follicles contain developing eggs, or oocytes, but not all follicles contain mature eggs. As a female matures, some follicles grow and develop, with only one typically becoming the dominant follicle that releases a mature egg during ovulation. Other follicles may degenerate or become atretic. Therefore, while follicles contain eggs, only certain ones will reach maturity and be released.
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What kind of tissue is a human ovary?
A human ovary is primarily composed of ovarian tissue, which consists of ovarian follicles, stroma, and blood vessels. Ovarian follicles contain the oocytes (immature eggs) and support cells necessary for egg development and hormone production.
Why does the ovarian cortex appear granular?
The granular appearance of the ovarian cortex is due to the presence of numerous ovarian follicles at different stages of development. These follicles contain immature eggs (oocytes) surrounded by supporting cells, giving the cortex a granular texture.
What are small cavities in the ovary?
Small cavities in the ovary are known as ovarian follicles. These structures contain developing eggs and are essential for ovulation and fertility. Each month, one follicle will mature and release an egg during the menstrual cycle.
What ruptures on the ovarian cortex each month?
Follicles containing eggs rupture on the ovarian cortex each month during ovulation. When a follicle ruptures, it releases the mature egg into the fallopian tube for potential fertilization.
What is the role of FSH in female reproductive system?
FSH (Follicle Stimulating Hormone) is responsible for stimulating the growth and maturation of ovarian follicles in the female reproductive system. These follicles contain the eggs that will be released during ovulation. FSH also plays a role in the production of estrogen by the developing follicles.
What is the ovary special parts called?
The special parts of the ovary are called ovarian follicles. These follicles are structures that contain the developing eggs and are essential for the production of hormones like estrogen and progesterone.
What do follicles contain?
Follicles are small, sac-like structures that contain various components depending on their type. In the context of hair follicles, they contain hair strands, sebaceous glands, and cells that support hair growth. In ovarian follicles, they house developing eggs (oocytes) and surrounding granulosa cells, which provide essential hormones and nutrients. Overall, follicles serve crucial roles in both hair and reproductive systems.
Do eggs mature before they leave the ovaries?
Yes. Eggs mature in follicles in the ovaries. Just before ovulation occurs, the follicle that contains the maturing egg rises towards the surface of the ovary. Ovulation occurs when the follicle and the ovarian surface open allowing the egg to drift out of the ovary.
Are all ovarian follicles at the same stage of development?
No, ovarian follicles are at different stages of development within the ovary. They go through various stages such as primordial, primary, secondary, and Graafian follicles. This allows for a continuous supply of eggs for ovulation.
In the ovary eggs mature in a group of cells known as what?
ovum
The hormone most responsible for stimulating immature ovarian follicles to start growing?
Follicle-stimulating hormone (FSH) is the hormone responsible for stimulating immature ovarian follicles to start growing. FSH is produced by the pituitary gland and plays a key role in the maturation of ovarian follicles and the development of eggs.
Is an ovarian follicle a bad thing?
An ovarian follicle is not inherently a bad thing; in fact, it is a normal part of the female reproductive system. Follicles are structures that contain immature eggs and play a crucial role in the menstrual cycle and ovulation. However, certain conditions, such as polycystic ovary syndrome (PCOS), can lead to the development of numerous follicles that may cause hormonal imbalances and other health issues. Overall, healthy ovarian follicles are essential for fertility and reproductive health.
