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..
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Chromoplastid ::
Chromoplastid (n.) A protoplasmic granule of some other color than green; -- also called chromoleucite.
"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..
Micella ::
Micella (n.) A theoretical aggregation of molecules constituting a structural particle of protoplasm, capable of increase or diminution without change in chemical nature..
Periblast ::
Periblast (a.) The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation..
Karyoplasma ::
Karyoplasma (n.) The protoplasmic substance of the nucleus of a cell: nucleoplasm; -- in opposition to kytoplasma, the protoplasm of the cell..
Myeloidin ::
Myeloidin (n.) A substance, present in the protoplasm of the retinal epithelium cells, and resembling, if not identical with, the substance (myelin) forming the medullary sheaths of nerve fibers..
Protoplasm ::
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..
Chromatophore ::
Chromatophore (n.) One of the granules of protoplasm, which in mass give color to the part of the plant containing them..
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..
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..
Cytode ::
Cytode (n.) A nonnucleated mass of protoplasm, the supposed simplest form of independent life differing from the amoeba, in which nuclei are present..
Gymnoplast ::
Gymnoplast (n.) A cell or mass of protoplasm devoid of an envelope, as a white blood corpuscle..
Monerula ::
Monerula (n.) A germ in that stage of development in which its form is simply that of a non-nucleated mass of protoplasm. It precedes the one-celled germ. So called from its likeness to a moner.
Bioplasm ::
Bioplasm (n.) A name suggested by Dr. Beale for the germinal matter supposed to be essential to the functions of all living beings; the material through which every form of life manifests itself; unaltered protoplasm.
Nucleoplasm ::
Nucleoplasm (n.) The matter composing the nucleus of a cell; the protoplasm of the nucleus; karyoplasma.
Anastate ::
Anastate (n.) One of a series of substances formed, in secreting cells, by constructive or anabolic processes, in the production of protoplasm; -- opposed to katastate..
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