- functional egg nucleus
- Botanyபணியாற்றும் முட்டை உட்கரு
English-Tamil dictionary. 2014.
functional egg nucleus
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morphology — morphologic /mawr feuh loj ik/, morphological, adj. morphologically, adv. morphologist, n. /mawr fol euh jee/, n. 1. the branch of biology dealing with the form and structure of organisms. 2. the form and structure of an organism considered as a… … Universalium
Mitochondrion — For the metal band, see Mitochondrion (band). Two mitochondria from mammalian lung tissue displaying their matrix and membranes as shown by electron microscopy … Wikipedia
gymnosperm — gymnospermism, n. /jim neuh sperrm /, n. Bot. a vascular plant having seeds that are not enclosed in an ovary; a conifer or cycad. Cf. angiosperm. [1820 30; < NL gymnospermae name of type. See GYMNO , SPERM] * * * Any woody plant that reproduces… … Universalium
fertilization — fertilizational, adj. /ferr tl euh zay sheuhn/, n. 1. an act, process, or instance of fertilizing. 2. the state of being fertilized. 3. Biol. a. the union of male and female gametic nuclei. b. fecundation or impregnation of animals or plants. 4.… … Universalium
reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative … Universalium
Seed — A seed Audio IPA|en us seed.ogg|/ˈsiːd/ (in some plants, referred to as a kernel) is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and… … Wikipedia
Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… … Wikipedia
merogony — 1. The incomplete development of an ovum that has been disorganized. 2. A form of asexual schizogony, typical of sporozoan protozoa, in which the nucleus divides several times before the cytoplasm divides; the schizont divides to form merozoites… … Medical dictionary
merogony — məˈrägənē noun ( es) Etymology: International Scientific Vocabulary mer (III) + gony; originally formed as French mérogonie : development of an embryo by a process that is genetically equivalent to male parthenogenesis and that involves… … Useful english dictionary
polar body — n a cell that separates from an oocyte during meiosis: a) one containing a nucleus produced in the first meiotic division called also first polar body b) one containing a nucleus produced in the second meiotic division called also second polar… … Medical dictionary
embryo sac — noun : the female gametophyte of a seed plant consisting of a thin walled sac within the nucellus that typically develops from a single functional megaspore and contains several meiotically reduced nuclei which lack separating cell walls and… … Useful english dictionary
