Egg cell - Wikipedia
网页The egg cell or ovum (pl.: ova) is the female reproductive cell, or gamete, [1] 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 ).
Ovule - Wikipedia
网页In seed plants, the ovule is the structure that gives rise to and contains the female reproductive cells. It consists of three parts: the integument , forming its outer layer, the nucellus (or remnant of the megasporangium ), and the female gametophyte (formed from a haploid megaspore ) in its center.
Ovule vs. Ovum — What’s the Difference?
网页2024年3月25日 · An ovule is a structure in seed plants that develops into a seed after fertilization, while an ovum is a mature female reproductive cell in animals, capable of developing into a new organism upon fertilization.
Ovum (Egg Cell): Structure, Function & Fertilization - Cleveland …
网页2024年9月9日 · What is an ovum? An ovum is the name for an egg cell. They’re the reproductive cells (or gametes) in people assigned female at birth (AFAB). Your ovaries produce ova (the plural name for ovum) and release one ovum at ovulation. If a sperm cell fertilizes an ovum, it develops into a new cell called a
Ovum | Structure, Function & Fertilization | Britannica
网页ovum, in human physiology, single cell released from either of the female reproductive organs, the ovaries, which is capable of developing into a new organism when fertilized (united) with a sperm cell.
Ovule | Definition, Description, & Facts | Britannica
网页Ovule, plant structure that develops into a seed when fertilized. A mature ovule consists of a food tissue covered by one or two future seed coats, known as integuments. The ovules of angiosperms are enclosed by an ovary, while those of gymnosperms are uncovered on the scales of a cone.
Ovule Definition & Meaning - Merriam-Webster
网页The meaning of OVULE is a structure of a seed plant that gives rise to female reproductive cells and is found within the floral ovaries of angiosperms or are borne on female strobili …
Ovule - Definition, Types, Components and Function - Biology …
网页2017年4月28日 · The ovule is part of the makeup of the female reproductive organ in seed plants. It’s the place where female reproductive cells are made and contained, and it is what eventually develops into a seed after fertilization, only for the seed to then ripen and produce a complete adult plant.
Egg Cell: Structure, Types, Functions and Oogenesis - Microbe Notes
网页2024年3月27日 · The egg cell, also known as the ovum, is the female reproductive cell. The egg cell is released from the ovaries in the female reproductive system. The egg cell is the female gamete responsible for reproduction in female organisms.
Oogenesis | Egg Development, Maturation & Fertilization
网页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 to 20 weeks after the fetus has started to grow, cells that