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The operation of forming a new canthus, when one has been destroyed by injury or disease.

Modeled in wax; as, a ceroplastic figure.

The art of modeling in wax.

The process of forming an artificial tip or part of a lip, by using for the purpose a piece of healthy tissue taken from some neighboring part.

An instrument to guid the hands and fingers of pupils in playing on the piano, etc.

A plastid containing chlorophyll, developed only in cells exposed to the light. Chloroplasts are minute flattened granules, usually occurring in great numbers in the cytoplasm near the cell wall, and consist of a colorless ground substance saturated with chlorophyll pigments. Under light of varying intensity they exhib…

A granule of chlorophyll; -- also called chloroleucite.

An embryonic cell which develops into a pigment cell.

A protoplasmic granule of some other color than green; -- also called chromoleucite.

Pertaining to what may be taken apart; as, clastic anatomy (of models).

One of the cells which, in the Coelenterata, develop into cnidæ.

A plastic operation on the pupil, as for forming an artificial pupil. -- Cor`e*plas"tic (-plas"tik), a.

Pertaining to a plastic force as operative in the formation of the world independently of God; world-forming. "Cosmoplastic and hylozoic atheisms." Gudworth.

Sticking plaster made by coating taffeta or silk on one side with some adhesive substance, commonly a mixture of isinglass and glycerin.

An instrument for crushing the head of a fetus, to facilitate delivery in difficult eases.

A nucleated cell having an envelope or cell wall, as a red blood corpuscle or an epithelial cell; a cell concerned in growth.

The nucleus of a cell; the germinal or active spot of a cellule, through or in which cell development takes place.

See Protoplasm.

Pertaining to, or composed of, deutoplasm.

Characterizing the ovum when it has two primary germinal layers.