Question

укажи функции которые выполняет яичник а здесь происходит оплодотворение яйце клетки б здесь содержится запас яйце клеток в здесь происходит дозревание сперматозоидов г место имплатации эмбриона

Answer 1

Б - здесь содержится запас яйцеклеток (и вообще они там образуются)

Answer 2

Б : здесь содержится запас яйцеклеток

Answer 3

Functions of the Ovary:

The ovary is an essential organ in the female reproductive system. It performs several functions, including:

1. Production of Eggs: The ovary is responsible for producing and releasing eggs, also known as ova or oocytes. These eggs are the female reproductive cells that can be fertilized by sperm to initiate pregnancy.

2. Hormone Production: The ovary produces hormones, primarily estrogen and progesterone. These hormones play crucial roles in regulating the menstrual cycle, maintaining pregnancy, and controlling various aspects of female reproductive health.

3. Storage of Eggs: The ovary serves as a storage site for immature eggs. Females are born with a finite number of eggs, and these eggs are stored in the ovaries until they mature and are released during ovulation.

4. Follicle Development: Within the ovary, follicles develop and mature. Each follicle contains an immature egg surrounded by supporting cells. During each menstrual cycle, multiple follicles start to develop, but usually, only one follicle fully matures and releases an egg.

5. Hormone Regulation: The ovary plays a crucial role in regulating hormone levels in the female body. It responds to signals from the pituitary gland in the brain, which releases hormones that stimulate follicle development, ovulation, and hormone production in the ovary.

Fertilization of the Egg:

Fertilization of the egg occurs in the fallopian tubes, not in the ovary. After ovulation, the released egg travels through the fallopian tube, where it can be fertilized by sperm if sexual intercourse has occurred. If fertilization occurs, the fertilized egg, now called a zygote, continues its journey towards the uterus for implantation.

Storage of Egg Cells:

The ovary contains a reserve of immature egg cells, also known as primordial follicles. These egg cells are present in the ovaries from birth and gradually decrease in number over a woman's lifetime. The process of egg cell maturation and release occurs cyclically during the menstrual cycle.

Maturation of Sperm Cells:

The maturation of sperm cells, or spermatogenesis, occurs in the testes, not in the ovary. The testes are responsible for producing and maturing sperm cells, which are then released during ejaculation.

Implantation of the Embryo:

The implantation of the embryo occurs in the uterus, not in the ovary. After fertilization, the zygote travels through the fallopian tube and reaches the uterus. It then implants itself into the uterine lining, where it develops into an embryo and eventually a fetus.

Please let me know if there's anything else I can help you with!