Definition of tissue

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Tissue (n.) One of the elementary materials or fibres, having a uniform structure and a specialized function, of which ordinary animals and plants are composed; a texture; as, epithelial tissue; connective tissue..

Lern More About Tissue

Rickets :: Rickets (n. pl.) A disease which affects children, and which is characterized by a bulky head, crooked spine and limbs, depressed ribs, enlarged and spongy articular epiphyses, tumid abdomen, and short stature, together with clear and often premature mental faculties. The essential cause of the disease appears to be the nondeposition of earthy salts in the osteoid tissues. Children afflicted with this malady stand and walk unsteadily. Called also rachitis..
Homoplasty :: Homoplasty (n.) The formation of homologous tissues.
Gum :: Gum (n.) The dense tissues which invest the teeth, and cover the adjacent parts of the jaws..
Syncytium :: Syncytium (n.) Tissue in which the cell or partition walls are wholly wanting and the cell bodies fused together, so that the tissue consists of a continuous mass of protoplasm in which nuclei are imbedded, as in ordinary striped muscle..
Elaboration :: Elaboration (n.) The natural process of formation or assimilation, performed by the living organs in animals and vegetables, by which a crude substance is changed into something of a higher order; as, the elaboration of food into chyme; the elaboration of chyle, or sap, or tissues..
Intussusception :: Intussusception (n.) The act of taking foreign matter, as food, into a living body; the process of nutrition, by which dead matter is absorbed by the living organism, and ultimately converted into the organized substance of its various tissues and organs..
Nutrition :: Nutrition (n.) In a more limited sense, the process by which the living tissues take up, from the blood, matters necessary either for their repair or for the performance of their healthy functions..
Phloem :: Phloem (n.) That portion of fibrovascular bundles which corresponds to the inner bark; the liber tissue; -- distinguished from xylem.
Kephalin :: Kephalin (n.) One of a group of nitrogenous phosphorized principles, supposed by Thudichum to exist in brain tissue..
Element :: Element (n.) One of the simplest essential parts, more commonly called cells, of which animal and vegetable organisms, or their tissues and organs, are composed..
Cnidaria :: Cnidaria (n. pl.) A comprehensive group equivalent to the true Coelenterata, i. e., exclusive of the sponges. They are so named from presence of stinging cells (cnidae) in the tissues. See Coelenterata..
Morphotic :: Morphotic (a.) Connected with, or becoming an integral part of, a living unit or of the morphological framework; as, morphotic, or tissue, proteids..
Glycogen :: Glycogen (n.) A white, amorphous, tasteless substance resembling starch, soluble in water to an opalescent fluid. It is found abundantly in the liver of most animals, and in small quantity in other organs and tissues, particularly in the embryo. It is quickly changed into sugar when boiled with dilute sulphuric or hydrochloric acid, and also by the action of amylolytic ferments..
Calcification :: Calcification (n.) The process of change into a stony or calcareous substance by the deposition of lime salt; -- normally, as in the formation of bone and of teeth; abnormally, as in calcareous degeneration of tissue..
Lenticel :: Lenticel (n.) One of the small, oval, rounded spots upon the stem or branch of a plant, from which the underlying tissues may protrude or roots may issue, either in the air, or more commonly when the stem or branch is covered with water or earth..
Ligament :: Ligament (n.) A tough band or plate of dense, fibrous, connective tissue or fibrocartilage serving to unite bones or form joints..
Leucomaine :: Leucomaine (n.) An animal base or alkaloid, appearing in the tissue during life; hence, a vital alkaloid, as distinguished from a ptomaine or cadaveric poison..
Diapedesis :: Diapedesis (n.) The passage of the corpuscular elements of the blood from the blood vessels into the surrounding tissues, without rupture of the walls of the blood vessels..
Neuroglia :: Neuroglia (n.) The delicate connective tissue framework which supports the nervous matter and blood vessels of the brain and spinal cord.
Tunic :: Tunic (n.) A membrane, or layer of tissue, especially when enveloping an organ or part, as the eye..
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