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Ovary

/ˈōv(ə)rē/ Noun, pl. ovaries The organ in female mammals and types of plant that is responsible for the production of female gametes and also responsible for the secretion of some sex hormones like estrogen. (biology-online.org) (Anatomy) 1. A female reproductive organ, often paired, that produces ova and in mammals secretes the hormones estrogen and progesterone. (wiktionary.org) 2. One of two small oval bodies situated on either side of the uterus on the posterior surface of the broad ligament. One of usually two organs that produce ova and secrete estrogen and progesterone. (biology-online.org) 3. The structures in which the ova (eggs) are developed and released during ovulation. (biology-online.org) (Botany) 1. The lower part of a pistil or carpel that bears ovules and ripens into fruit. (wiktionary.org) 2. The organ that bears the ovules of a flower. (biology-online.org) 3. The enlarged rounded usually basal portion of the pistil or gynoecium of an angiospermous plant that bears the ovules and consists of one or more carpels. (merriam-webster.com) Word origin: From Modern Latin ovarium “ovary”, from Medieval Latin ovaria “the ovary of a bird”, from Latin ovum...

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Oviparous

/ōˈvipərəs/ Adjective 1. Egg-laying; depositing eggs that develop and hatch outside the body as a reproductive strategy. (wiktionary.org) 2. Producing eggs that develop and hatch outside the maternal body; also : involving the production of such eggs. (merriam-webster.com) 3. Animals that lay eggs, with little or no other embryonic development within the mother. This is the reproductive method of most fish, amphibians, reptiles, all birds, the monotremes, and most insects, some molluscs and arachnids. (wikipedia.org) Word origin: From Latin oviparus, from ovum “egg” + stem of parere “to bring...

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Ovoviviparous

/ōˌvōvīˈvip(ə)rəs/  /-vəˈvip-/ Adjective 1. Of or pertaining to such kind of animals such as some reptiles whose eggs hatch inside their body. (wiktionary.org) 2. Producing eggs that develop within the maternal body (as of various fishes or reptiles) and hatch within or immediately after release from the parent. (merriam-webster.com) 3. Producing living young from eggs that hatch within the body. (wordnetweb.princeton.edu) Word origin: From Latin ovum “egg,” cognate with Greek oon, Old Norse egg, Old English æg + from Late Latin viviparus “bringing forth alive,” from Latin vivus “alive, living” + parere “bring forth,...

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Ovum

/ˈōvəm/ Noun, pl. ova 1. The female reproductive haploid cell (gamete) in oogamous organisms. It is typically not capable of active movement, and it is much larger than the motile sperm cells. When it fuses with a sperm, a diploid cell (the zygote) is formed, which gradually grows into a new individual. (wikipedia.org) 2. A female gamete; female sex cell; female reproductive cell. (biology-online.org) 3. A female gamete : macrogamete; especially : a mature egg that has undergone reduction, is ready for fertilization, and takes the form of a relatively large inactive gamete providing a comparatively great amount of reserve material and contributing most of the cytoplasm of the zygote. (merriam-webster.com) 4. A mature female reproductive cell, esp. of a human or other animal, that can divide to give rise to an embryo usually only after fertilization by a male cell. (Google Dictionary) Syn: egg cell Word origin: From Latin ovum “egg,” cognate with Greek oon, Old Norse egg, Old English...

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