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ovule    音标拼音: ['ovjul]
n. 卵子;胚珠;小卵

卵子;胚珠;小卵

ovule
n 1: a small body that contains the female germ cell of a plant;
develops into a seed after fertilization
2: a small or immature ovum

Ovule \O"vule\, n. [Dim. of L. ovum an egg: cf. F. ovule. Cf.
{Ovolo}, {Ovulum}.] (Biol.)
(a) The rudiment of a seed. It grows from a placenta, and
consists of a soft nucleus within two delicate coatings.
The attached base of the ovule is the hilum, the coatings
are united with the nucleus at the chalaza, and their
minute orifice is the foramen.
(b) An ovum.
[1913 Webster]


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  • Ovule - Wikipedia
    The ovule is a small structure present in the ovary It is attached to the placenta by a stalk called a funicle The funicle provides nourishment to the ovule On the basis of the relative position of micropyle, body of the ovule, chalaza and funicle, there are six types of ovules
  • Ovule - Definition, Types, Components and Function | Biology Dictionary
    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
  • Ovule | Definition, Description, Facts | Britannica
    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, Structure, Types, Diagram, Functions
    What is Ovule? The ovule is a critical component of the female reproductive system in seed plants, playing an essential role in the production of seeds Located within the ovary of the carpel, the ovule houses the female gametes and is pivotal for seed development
  • OVULE Definition Meaning - Merriam-Webster
    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 of gymnosperms How to use ovule in a sentence
  • Ovule Structure and Types in Plant Reproduction
    Understanding ovule morphology is essential for botanists and horticulturists aiming to enhance crop yields or conserve plant species This article will delve into the architecture of ovules, explore their different types, and examine their development and reproductive significance
  • Ovule - Biology Simple
    In plants, the ovule is the structure that gives rise to seeds after fertilization It contains the female reproductive cells and is crucial for the plant’s life cycle
  • Ovule - Components, Types, Functions, and FAQs - Vedantu
    Ovule, meaning it protects the seeds, and this integument encloses the nucleus but leaves a small gap known as the micropyle In gymnosperms, usually, there is one integument in an ovule, whereas angiosperms have two integuments
  • Table of Contents - BYJUS
    The ovule is a component of the female reproductive system of seed plants It is where female reproductive parts are produced and maintained Ovules are housed in ovaries at the base of the carpel, which includes an aperture at the top, stigma, and a neck called a style
  • Ovule vs. Ovum — What’s the Difference?
    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 Ovules are found in the ovary of seed plants and are pivotal in plant reproduction





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