Definition of organ

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Organ (n.) A natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole; as, the heart, lungs, etc., are organs of animals; the root, stem, foliage, etc., are organs of plants..

Lern More About Organ

Penis :: Penis (n.) The male member, or organ of generation..
Ontogeny :: Ontogeny (n.) The history of the individual development of an organism; the history of the evolution of the germ; the development of an individual organism, -- in distinction from phylogeny, or evolution of the tribe. Called also henogenesis, henogeny..
Radicated :: Radicated (a.) Having rootlike organs for attachment.
Physical :: Physical (a.) Perceptible through a bodily or material organization; cognizable by the senses; external; as, the physical, opposed to chemical, characters of a mineral..
Institute :: Institute (v. t.) To originate and establish; to found; to organize; as, to institute a court, or a society..
Structure :: Structural (a.) Of or pertaining to organit structure; as, a structural element or cell; the structural peculiarities of an animal or a plant..
Wing :: Wing (n.) One of the broad, thin, anterior lobes of the foot of a pteropod, used as an organ in swimming..
Phrenomagnetism :: Phrenomagnetism (n.) The power of exciting the organs of the brain by magnetic or mesmeric influence.
Stop :: Stop (n.) In the organ, one of the knobs or handles at each side of the organist, by which he can draw on or shut off any register or row of pipes; the register itself; as, the vox humana stop..
Belt :: Belt (n.) A band or stripe, as of color, round any organ; or any circular ridge or series of ridges..
Machine :: Machine (n.) A political organization arranged and controlled by one or more leaders for selfish, private or partisan ends..
Cestoidea :: Cestoidea (n. pl.) A class of parasitic worms (Platelminthes) of which the tapeworms are the most common examples. The body is flattened, and usually but not always long, and composed of numerous joints or segments, each of which may contain a complete set of male and female reproductive organs. They have neither mouth nor intestine. See Tapeworm..
Rattle :: Rattle (n.) Any organ of an animal having a structure adapted to produce a rattling sound.
Form :: Form (n.) The peculiar characteristics of an organism as a type of others; also, the structure of the parts of an animal or plant..
Ovary :: Ovary (n.) The essential female reproductive organ in which the ova are produced. See Illust. of Discophora.
Protista :: Protista (n. pl.) A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals..
Uniflagellate :: Uniflagellate (a.) Having but one flagellum; as, uniflagellate organisms..
Hypozoic :: Hypozoic (a.) Anterior in age to the lowest rocks which contain organic remains.
Leucin :: Leucin (n.) A white, crystalline, nitrogenous substance formed in the decomposition of albuminous matter by pancreatic digestion, by the action of boiling dilute sulphuric acid, and by putrefaction. It is also found as a constituent of various tissues and organs, as the spleen, pancreas, etc., and likewise in the vegetable kingdom. Chemically it is to be considered as amido-caproic acid..
Linoleic :: Linoleic (a.) Pertaining to, or derived from, linoleum, or linseed oil; specifically (Chem.), designating an organic acid, a thin yellow oil, found combined as a salt of glycerin in oils of linseed, poppy, hemp, and certain nuts..
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