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A jellylike mass of free protoplasm, without any union of amoeboid cells, and endowed with life and power of motion.

The important living portion of protoplasm, considered a chemical substance of the highest elaboration. Germ plasm and idioplasm are forms of plasmogen.

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.

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

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

The protoplasm of the sperm cell. Haeckel.

The solid or insoluble portion of the cell protoplasm. See Hygroplasm.

g 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.

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.

taining 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.