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in which, prior to division of the cell protoplasm, complicated changes take place in the nucleus, attended with movement of the nuclear fibrils; -- opposed to karyostenosis. The nucleus becomes enlarged and convoluted, and finally the threads are separated into two groups which ultimately become disconnected and const…

The reticular network of fine fibers, of which the nucleus of a cell is in part composed; -- in opposition to kytomiton, or the network in the body of the cell. W. Flemming.

The protoplasmic substance of the nucleus of a cell: nucleoplasm; -- in opposition to kytoplasma, the protoplasm of the cell.

Direct cell division (in which there is first a simple division of the nucleus, without any changes in its structure, followed by division of the protoplasm of the karyostenotic mode of nuclear division.

A small mass around which other matter is concreted; a nucleus; a concretion or hard lump in the flesh.

The cell nucleus; mesoplast.

The nucleus of a cell; mesoblast. Agassix.

division of rhizopods, including those which resemble the amoebas, but are destitute of a nucleus.

Having numerous spiral coils round a center or nucleus; -- said of the opercula of certain shells.

Without a nucleus.

See Nucleus, 3 (a).

Of or pertaining to a nucleus; as, the nuclear spindle (see Illust. of Karyokinesis) or the nuclear fibrils of a cell; the nuclear part of a comet, etc.

Having a nucleus; nucleated.

Having a nucleus; nucleate; as, nucleated cells.

Formed like a nucleus or kernel.

Hyaline plasma contained in the nucleus of vegetable cells.

Having a nucleole, or second inner nucleus.

The nucleus within a nucleus; nucleolus.

A little nucleus.

The matter composing the nucleus of a cell; the protoplasm of the nucleus; karyoplasma.