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Is It the secondary oocyte and not the egg that the sperm fertilizes?
Yes, it is the secondary oocyte that the sperm fertilizes. The secondary oocyte completes meiosis II to become a mature egg only after fertilization.
When will a secondary oocyte complete meiosis II?
A secondary oocyte will complete meiosis II after fertilization by a sperm cell.
Which type of cell is produced by meiosis in a male organism?
Secondary spermatocyte
What transport secondary oocyte to the uterus?
The transport of the secondary oocyte to the uterus is primarily facilitated by the fallopian tubes, also known as uterine tubes or oviducts. After ovulation, the fimbriae at the end of the fallopian tube help to capture the released oocyte. Ciliary action and peristaltic movements of the tube's smooth muscle then propel the oocyte towards the uterus, where it may meet sperm for fertilization or be expelled if not fertilized.
What is the difference between ovum and secondary oocyte?
ovum is the product after the secondary oocyte fuses with sperm
What happens to secondary oocyte once its released from the follicle?
Once the secondary oocyte is released from the follicle during ovulation, it enters the fallopian tube. If a sperm cell fertilizes it, the secondary oocyte completes meiosis II, resulting in a mature ovum and a second polar body. If fertilization does not occur, the secondary oocyte will eventually degenerate and be reabsorbed by the body within 24 hours.
When does the secondary oocyte develop into a ovum?
The secondary oocyte develops into an ovum during the process of fertilization. When a sperm successfully penetrates the secondary oocyte, it triggers the completion of meiosis II, resulting in the formation of the ovum and a second polar body. This transition typically occurs within the fallopian tubes shortly after ovulation. If fertilization does not occur, the secondary oocyte will not complete meiosis and will be expelled during menstruation.
When does the secondary oocyte complete its second meiotic division to become a mature ovum?
The secondary oocyte completes its second meiotic division upon fertilization by a sperm cell. This leads to the formation of a mature ovum and a polar body.
The cell commonly called the egg or ovum is more correctly called?
The egg or ovum is more correctly called an oocyte. It is referred to as an oocyte until it is fertilized by sperm, after which it becomes an embryo.
What are the structure for the pathway of a secondary oocyte?
In what order does the pathway of a second Oocyte ampulla of uterine, body of uterus, fimbriae of uterine tube, fundus of uterus, infundibulum of uterine tube, isthmus of uterine tube and ovary
What is the function of the secondary oocyte?
The secondary oocyte is a key stage in the female reproductive process, specifically in oogenesis. It is formed after the primary oocyte undergoes meiosis I, and it contains the majority of the cytoplasm. The secondary oocyte is released during ovulation and, if fertilized by a sperm cell, it will complete meiosis II to become a mature ovum. Its primary function is to provide the necessary genetic material and cellular resources for successful fertilization and early embryonic development.
What layers do sperm penetrate to fertilize the oocyte?
Sperm penetrate through the zona pellucida, an acellular glycoprotein layer surrounding the oocyte, to reach the oocyte membrane for fertilization. The sperm then binds to specific receptors on the oocyte membrane to release enzymes that help in penetrating the oocyte membrane to fuse with the oocyte.
