Egg cell - Wikipedia
WebHuman egg cell. The egg cell or ovum (pl.: ova) is the female reproductive cell, or gamete, in most anisogamous organisms (organisms that reproduce sexually with a larger, female gamete and a smaller, male one). The term is used when the female gamete is not capable of movement (non-motile).
Egg Cell: Structure, Types, Functions and Oogenesis - Microbe Notes
WebMar 27, 2024 · The egg cell is the female gamete responsible for reproduction in female organisms. This cell is formed through the process of oogenesis. It has the potential to develop into a new organism when it joins with a sperm cell. …
13.62: Human Egg Cells - Biology LibreTexts
WebMar 6, 2021 · Eggs, like sperm, are haploid cells, and their production occurs in several steps that involve different types of cells, as shown in Figure below. You can follow the process of oogenesis in the figure as you read about it below.
Study reveals how egg cells get so big - MIT News
WebMar 4, 2021 · Egg cells are by far the largest cells produced by most organisms. In humans, they are several times larger than a typical body cell and about 10,000 times larger than sperm cells. There’s a reason why egg cells, or oocytes, are so big: They need to accumulate enough nutrients to support a growing embryo after fertilization, plus …
Eggs - Molecular Biology of the Cell - NCBI Bookshelf
WebAlthough an egg can give rise to every cell type in the adult organism, it is itself a highly specialized cell, uniquely equipped for the single function of generating a new individual. The cytoplasm of an egg can even reprogram a somatic cell nucleus so that the nucleus can direct the development of a new individual.
Oocyte - Wikipedia
WebAn oocyte ( UK: / ˈoʊəsaɪt /, US: / ˈoʊoʊ -/ ), 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.
Egg | Biology, Anatomy & Function | Britannica
WebApr 30, 2024 · egg, in biology, the female sex cell, or gamete. In botany, the egg is sometimes called a macrogamete. In zoology, the Latin term for egg, ovum , is frequently used to refer to the single cell, while the word egg may be applied to the entire specialized structure or capsule that consists of the ovum, its various protective membranes, and any ...
Egg, sperm, and fertilization (video) | Khan Academy
WebSperm and egg cells are special sex cells for reproduction. Sperm cells are small, have a tail for movement, and carry male genetic material. The egg is large, round, and has a protective layer called the zona pellucida. During fertilization, sperm meets egg, and their genetic material combines. Created by Jeff Otjen.
Oogenesis and follicular development review - Khan Academy
WebOogenesis is the process by which mature female gametes, or ova, develop from germ cells. The image below summarizes how this happens, and over what timeline it unfolds. What are 'n' and '2n'? Why are polar bodies so small? As the oocytes develop, they get enclosed in structures known as follicles.
Basics of egg development (video) | Khan Academy
WebAbout. Transcript. The female reproductive cycle involves the maturation of eggs within the ovaries, a process initiated during gestation and activated at puberty. This cycle includes oogenesis, ovulation, and the secretion of female sex hormones.
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