Oocyte Development - Embryology
The oocyte and the surrounding granulosa cells have a complex paracrine interactions during follicle growth and development. Oocyte maturation has been shown to depend on secretory products of both the granulosa and cumulus cells. Oocyte Factors. promotes granulosa cell proliferation in preantral and antral follicles (GDF-9, BMP15)
Oocyte - Wikipedia
An oocyte (/ ˈ oʊ ə s aɪ t /, oöcyte, or ovocyte is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in a female fetus in the ovary during female gametogenesis. The female germ cells produce a primordial germ cell (PGC), which then undergoes mitosis ...
Oogenesis – Basic Human Physiology
Define the process of oogenesis (oocyte development). Describe the stages of folliculogenesis (ovarian follicle development). Describe a typical ovarian cycle and explain how the process of folliculogenesis spans multiple ovarian cycles.
Oogenesis: Definition, Egg Development, Stages and Process
2023年10月11日 · Oogenesis is the process by which female germ cells, called oocytes, develop into mature eggs (ova) produced in the ovaries. It is a crucial part of the female reproductive system and begins before a female is even born.
Oogenesis - An Overview of Oogenesis and its Process - BYJU'S
Development of oocyte takes place in ovaries. Every oocyte is neighboured by follicle cells to form a follicle. As the menstrual cycle starts, primary oocytes initiate to grow bigger, and follicle cells rise in number, causing the follicle to grow larger too.
Mechanisms of Oocyte Maturation and Related Epigenetic …
2021年3月18日 · Oocyte meiotic maturation is a complicated and vital process used to attain full competence required for the oocyte as well as early embryonic development. An oocyte arrested at meiotic prophase I contains a large nucleus covered by a nuclear envelope, which is known as the germinal vesicle (GV).
1st week of embryonic development: Steps and processes - Kenhub
2023年7月26日 · Oogonia begin to enlarge and proliferate as they become primary oocytes. They also enter the reduction replication process but are arrested in early prophase I. The primary oocytes are also enclosed within a thin layer of flat cells known as granulosa (follicular) cells.
Oogenesis | Egg Development, Maturation & Fertilization
Oogenesis, in the human female reproductive system, growth process in which the primary egg cell (or ovum) becomes a mature ovum. In any one human generation, the egg’s development starts before the female that carries it is even born; 8 …
Fertilization and Development of the Embryo - MSD Manuals
In the ovary, follicles develop and, during ovulation, the dominant follicle releases an oocyte (female haploid gamete). The oocyte enters into the fallopian tube through the fimbriated end, travels through the fallopian tube, and then passes into the uterine cavity.
Follicular Development and Oocyte Growth | SpringerLink
2017年5月11日 · Oocyte developmental competence, defined as the ability of the oocyte to resume and complete meiosis, and support pre-implantation embryonic development after fertilization, is acquired gradually during folliculogenesis.
- 某些结果已被删除