Fallopian tubes connect the ovaries to the uterus. The internal lining of the fallopian tubes is made up of ciliated epithelium. They have cilia,... View Article
Spermatogenesis begins at puberty with increased secretion of gonadotropin-releasing hormone (GnRH). GnRH stimulates the secretion of LH and FSH... View Article
Ovaries and testes are the primary sex organs in females and males, respectively. They act as endocrine glands also and secrete various hormones... View Article
Testes are the primary sex organ in males. It also acts as an endocrine gland and produces and secretes androgens such as testosterone. The... View Article
The acrosome is the cap-like structure present at the head of the sperm. It contains various proteolytic enzymes such as hyaluronidase and... View Article
Graafian follicle is the fully matured follicle, which ruptures and releases the ovum during the ovulatory phase. After ovulation, the Graafian... View Article
Sperm formation takes place in testes. The formation of sperms from immature germ cells or spermatogonia is called spermatogenesis. Spermatogonia... View Article
The length of the fully mature human spermatozoa is around 55-65 µm. It is a motile cell made up of the head, neck, middle piece and tail.... View Article
No, fertilisation takes place in the ampullary region of the fallopian tubes. The main parts of the female reproductive system are ovaries,... View Article
Mitosis is equational division. It is required for growth, repair and regeneration. All the somatic cells undergo mitosis. Germ cells undergo... View Article
The two main classes of hormones secreted by the ovaries are estrogen and progesterone. These are steroid hormones. Estrogen is secreted by... View Article
Graafian follicle is the fully mature follicle, which ruptures and releases the ovum. Graafian follicle gets transformed into the corpus luteum... View Article
2n refers to having two sets of chromosomes or diploid organisms. E.g. humans are diploid with 2n = 46. Gametes are haploid and contain n = 23... View Article
During spermatogenesis, each spermatogonial cell gives rise to 512 sperms. After a series of mitotic divisions, each spermatogonium gives rise to... View Article
Ovarian cycle refers to the series of events occurring during a menstrual cycle, which comprises the development of follicles, ovulation and... View Article
On average it takes around 74 days in humans to complete spermatogenesis and produce sperms from primitive germ cells. Also Check: At What... View Article
Sperms are produced in the seminiferous tubules of testes. The fully formed spermatozoa get transferred to the epididymis through rete testis and... View Article
Primary spermatocytes are diploid. The spermatogonia cells proliferate and divide by mitosis to produce primary spermatocytes. Also Check:... View Article
