Definition of protoplasm

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Protoplasm (n.) The viscid and more or less granular material of vegetable and animal cells, possessed of vital properties by which the processes of nutrition, secretion, and growth go forward; the so-called physical basis of life; the original cell substance, cytoplasm, cytoblastema, bioplasm sarcode, etc..

Lern More About Protoplasm

Oospere :: Oospere (n.) An unfertilized, rounded mass of protoplasm, produced in an oogonium..
Rejuvenescence :: Rejuvenescence (n.) A method of cell formation in which the entire protoplasm of an old cell escapes by rupture of the cell wall, and then develops a new cell wall. It is seen sometimes in the formation of zoospores, etc..
Idioplasma :: Idioplasma (n.) That portion of the cell protoplasm which is the seat of all active changes, and which carries on the function of hereditary transmission; -- distinguished from the other portion, which is termed nutritive plasma. See Hygroplasm..
Plastide :: Plastide (n.) One of the many minute granules found in the protoplasm of vegetable cells. They are divided by their colors into three classes, chloroplastids, chromoplastids, and leucoplastids..
Oospere :: Oospere (n.) An analogous mass of protoplasm in the ovule of a flowering plant; an embryonic vesicle.
Intracellular :: Intracellular (a.) Within a cell; as, the intracellular movements seen in the pigment cells, the salivary cells, and in the protoplasm of some vegetable cells..
Leucoplastid :: Leucoplastid (n.) One of certain very minute whitish or colorless granules occurring in the protoplasm of plants and supposed to be the nuclei around which starch granules will form.
Plasma :: Plasma (n.) The viscous material of an animal or vegetable cell, out of which the various tissues are formed by a process of differentiation; protoplasm..
Paramitome :: Paramitome (n.) The fluid portion of the protoplasm of a cell.
Chromatophore :: Chromatophore (n.) One of the granules of protoplasm, which in mass give color to the part of the plant containing them..
Blastema :: Blastema (n.) The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows..
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..
Germogen :: Germogen (n.) A polynuclear mass of protoplasm, not divided into separate cells, from which certain ova are developed..
Karyoplasma :: Karyoplasma (n.) The protoplasmic substance of the nucleus of a cell: nucleoplasm; -- in opposition to kytoplasma, the protoplasm of the cell..
"aleurone :: Aleurone (n.) An albuminoid substance which occurs in minute grains (protein granules) in maturing seeds and tubers; -- supposed to be a modification of protoplasm..
Mitome :: Mitome (n.) The denser part of the protoplasm of a cell.
Eleidin :: Eleidin (n.) Lifeless matter deposited in the form of minute granules within the protoplasm of living cells.
Ovum :: Ovum (n.) A more or less spherical and transparent mass of granular protoplasm, which by a process of multiplication and growth develops into a mass of cells, constituting a new individual like the parent; an egg, spore, germ, or germ cell. See Illust. of Mycropyle..
Monadiform :: Monadiform (a.) Having the form of a monad; resembling a monad in having one or more filaments of vibratile protoplasm; as, monadiform young..
Micella :: Micella (n.) A theoretical aggregation of molecules constituting a structural particle of protoplasm, capable of increase or diminution without change in chemical nature..
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