What Are the Functions of Follicle During Oogenesis?
Ovarian follicles secrete various hormones, which regulate their own development as well as ovulation and other events. They provide an... View Article
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How Many Sperms Are Produced from a Single Primary Spermatocyte?
A single primary spermatocyte gives rise to four sperms after meiosis. Primary spermatocyte undergoes first meiotic division to produce two... View Article
Where Is the Secondary Oocyte Released During Ovulation?
The secondary oocyte is released into the peritoneal cavity near the fimbriated end of the fallopian tube, i.e. infundibulum. The... View Article
What Is the Hormone That Triggers Ovulation?
Ovulation is triggered by a surge in luteinizing hormone or LH. It is a gonadotrophin secreted by the anterior pituitary.... View Article
What Is the Fate of Graafian Follicle After Ovulation?
The rupture of the Graafian follicle results in ovulation. After ovulation, the Graafian follicle transforms into the corpus luteum. The... View Article
Are Females Born With All of Their Primary Oocytes?
Oogenesis starts at the embryonic stage itself. Primitive germ cells start dividing to form oogonia. No more oogonia are produced... View Article
What Is the Action of FSH?
FSH (follicle-stimulating hormone) is a gonadotrophin secreted by the anterior pituitary. It stimulates follicular development in females and spermatogenesis in... View Article
What Is a Primary Oocyte?
Primary oocyte is a diploid cell, which is formed from the oogonia or gamete mother cell. Primary oocyte gives rise... View Article
What Happens in Meiosis During Oogenesis?
Oogenesis is the formation of a mature female gamete or ovum. Meiosis I occurs in the primary oocyte and gets... View Article
Why Do Polar Bodies Degenerate?
Polar bodies are formed at the time of oogenesis. They contain very little cytoplasm so they usually degenerate. The egg... View Article
How Many Chromosomes Are at the End of Meiosis 2?
In humans, meiosis 2 occurs in the secondary oocytes or spermatocytes leading to the formation of ootid or spermatid, respectively,... View Article
What Is a Corpus Luteum?
Corpus luteum is formed after ovulation. The ruptured Graafian follicle transforms into the corpus luteum. The Corpus luteum is important... View Article
What Factors Control Spermatogenesis?
Spermatogenesis is controlled by various hormones. LH induces the synthesis and secretion of androgens from the Leydig cells. FSH and... View Article
At What Point Does the Secondary Oocyte Complete Meiosis?
The secondary oocyte is produced by meiosis I in the primary oocyte. It starts the second meiotic division immediately but... View Article
Are Primary Oocytes Haploid?
No, primary oocytes are diploid cells. They are produced by mitotic division in oogonia. Meiosis I occurs in the primary... View Article
Do Gametes Have Nuclei?
Yes, a gamete possesses a haploid nucleus in a diploid organism. Sperm and ovum both contain a haploid nucleus. Gametes... View Article
What Is the Function of Acrosome?
Acrosome is present at the anterior end of the elongated nucleus, present in the sperm head as the cap-like structure.... View Article
What Is the Fate of the Polar Bodies During Oogenesis?
Polar bodies fragment and degenerate. Polar bodies are formed by unequal cytoplasmic division at the time of meiosis in oocytes.... View Article
Which Hormone Is Responsible for Ovulation?
1. LH 2. FSH 3. GH 4. MSH Answer: 1. LH Explanation: LH or luteinizing hormone is responsible for ovulation. It induces... View Article
Are Spermatids Diploid or Haploid?
Spermatids are haploid cells formed after meiosis in the spermatocytes. Spermatids transform into sperms by the process of spermiogenesis. Also... View Article
