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The fluid portion of the protoplasm of a cell.

for the cultivation of bacteria and other organisms. It contains all the elements of protoplasm, and was originally made of the ash of yeast, some ammonia compound, sugar, and water.

The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation. -- Per`i*blas"tic, a.

Of or pertaining to a nucleus; situated around a nucleus; as, the perinuclear protoplasm.

the algal or algalike fungi. The plant body ranges from an undifferentiated mass of protoplasm to a well-developed and much- branched mycelium. Reproduction is mainly sexual, by the formation of conidia or sporangia; but the group shows every form of transition from this method through simple conjugation to perfect se…

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.

One of the small particles or organic molecules of protoplasm. Haeckel.

a mucilaginous substance, to be applied to sores, inflamed parts of the body, etc.; a cataplasm. "Poultice relaxeth the pores." Bacon.

Any unicellular plant, or plant forming only a plasmodium, having reproduction only by fission, gemmation, or cell division.

Any protoplasmic filament or irregular process projecting from any unicellular organism, or from any animal or plant call.

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 zo

ujardin in 1835 to the gelatinous material forming the bodies of the lowest animals; protoplasm.

The nature or resting stage of a plasmodium.

m, the thin watery fluid which separates from the muscles after coagulation of the muscle plasma; the watery portion of the plasma. See Muscle plasma, under Plasma. -- Serum albumin (Physiol. Chem.), an albuminous body, closely related to egg albumin, present in nearly all serous fluids; esp., the albumin of blood ser…

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.

The property possessed by protoplasm of moving under the influence of heat.

The property possessed by living protoplasm of contracting, and thus moving, when touched by a solid or fluid substance.

on any part of the body; especially, a growth produced by deposition of new tissue; a neoplasm.

ng air, or a pellucid watery liquid, or some special chemical secretions of the cell protoplasm. Contractile vacuole. (Zoöl.) See under Contractile, and see Illusts. of Infusoria, and Lobosa. -- Food vacuole. (Zoöl.) See under Food, and see Illust. of Infusoria.

rd to heredity propounded by the German biologist August Weismann, esp. in regard to germ plasm as the basis of heredity and the impossibility of transmitting acquired characteristics; -- often called neo-Darwinism.