Oviparity
Oviparity
Oviparity (pronunciation: /ˌoʊvɪˈpærɪti/) is a mode of reproduction in animals in which females lay eggs with little or no embryonic development within the mother. This is the reproductive method of most fish, reptiles, and birds, as well as the monotremes, insects, amphibians, and arachnids.
Etymology
The term "oviparity" comes from the Latin ovi meaning "egg" and parere meaning "to bring forth". It was first used in the early 19th century to describe the reproductive method of certain animals.
Related Terms
- Ovoviviparity: A mode of reproduction in animals in which embryos develop inside eggs that are retained within the mother's body until they are ready to hatch.
- Viviparity: A mode of reproduction in animals in which embryos develop within and derive nourishment from the mother's body, as is typical in mammals.
- Embryo: An early stage of development of a multicellular organism.
- Monotreme: A group of mammals that lay eggs rather than giving birth to live young, like marsupials and placental mammals.
- Amphibian: A group of cold-blooded vertebrates that includes frogs, toads, newts, and salamanders. They are characterized by their ability to exploit both aquatic and terrestrial habitats.
- Arachnid: A group of joint-legged invertebrate animals, in the subphylum Chelicerata. Arachnids include spiders, scorpions, ticks, and mites.
External links
- Medical encyclopedia article on Oviparity
- Wikipedia's article - Oviparity
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