Definition of organ

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Organ (n.) A component part performing an essential office in the working of any complex machine; as, the cylinder, valves, crank, etc., are organs of the steam engine..

Lern More About Organ

Peptic :: Peptic (n.) The digestive organs.
Fluxion :: Fluxion (n.) An unnatural or excessive flow of blood or fluid toward any organ; a determination.
Organology :: Organology (n.) The science of organs or of anything considered as an organic structure.
Eudipleura :: Eudipleura (n. pl.) The fundamental forms of organic life, that are composed of two equal and symmetrical halves..
Speak :: Speak (v. i.) To utter words or articulate sounds, as human beings; to express thoughts by words; as, the organs may be so obstructed that a man may not be able to speak..
Ear :: Ear (n.) The organ of hearing; the external ear.
Milk :: Milk (n.) A white fluid secreted by the mammary glands of female mammals for the nourishment of their young, consisting of minute globules of fat suspended in a solution of casein, albumin, milk sugar, and inorganic salts..
Eozoon :: Eozoon (n.) A peculiar structure found in the Archaean limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure..
Infiltration :: Infiltration (n.) The act or process of infiltrating, as if water into a porous substance, or of a fluid into the cells of an organ or part of the body..
Arachnidium :: Arachnidium (n.) The glandular organ in which the material for the web of spiders is secreted.
Inhibition :: Inhibition (n.) A stopping or checking of an already present action; a restraining of the function of an organ, or an agent, as a digestive fluid or ferment, etc.; as, the inhibition of the respiratory center by the pneumogastric nerve; the inhibition of reflexes, etc..
Pseudobacteria :: Pseudobacteria (n. pl.) Microscopic organic particles, molecular granules, powdered inorganic substances, etc., which in form, size, and grouping resemble bacteria..
Podophyllous :: Podophyllous (a.) Having thin, flat, leaflike locomotive organs..
Zooid :: Zooid (n.) An organic body or cell having locomotion, as a spermatic cell or spermatozooid..
Bathybius :: Bathybius (n.) A name given by Prof. Huxley to a gelatinous substance found in mud dredged from the Atlantic and preserved in alcohol. He supposed that it was free living protoplasm, covering a large part of the ocean bed. It is now known that the substance is of chemical, not of organic, origin..
Browspot :: Browspot (n.) A rounded organ between the eyes of the frog; the interocular gland.
Irritation :: Irritation (n.) The act of exciting, or the condition of being excited to action, by stimulation; -- as, the condition of an organ of sense, when its nerve is affected by some external body; esp., the act of exciting muscle fibers to contraction, by artificial stimulation; as, the irritation of a motor nerve by electricity; also, the condition of a muscle and nerve, under such stimulation..
Lancelet :: Lancelet (n.) A small fishlike animal (Amphioxus lanceolatus), remarkable for the rudimentary condition of its organs. It is the type of the class Leptocardia. See Amphioxus, Leptocardia..
Unorganized :: Unorganized (a.) Not organized; being without organic structure; specifically (Biol.), not having the different tissues and organs characteristic of living organisms, nor the power of growth and development; as, the unorganized ferments. See the Note under Ferment, n., 1..
Tampion :: Tampion (n.) A plug for upper end of an organ pipe.
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