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Same as Spermoblast.

ermospore, each of which is destined to become a spermatozoid; a spermatocyte; a spermatoblast.

One of the cells which, in sponges, secrete the spongin, or the material of the horny fibers.

The operation for restoring or replacing the soft palate when it has been lost. Dunglison. -- Staph`y*lo*plas"tic, a.

One of a peculiar kind of internal buds, or germs, produced in the interior of certain Bryozoa and sponges, especially in the fresh- water species; -- also called winter buds.

Of or pertaining to the operation of forming a mouth where the aperture has been contracted, or in any way deformed.

Plastic surgery of the mouth.

of numerous species of delicate, usually pink, calcareous hydroid corals of the genus Stylaster.

from a tangent plane toward the same side, as the surface of a sphere; -- opposed to anticlastic. Sir W. Thomson.

A remodeling or reshaping of the thorax; especially, the operation of removing the ribs, so as to obliterate the pleural cavity in cases of empyema.

condition of the ovum in which there are three primary germinal layers, or in which the blastoderm splits into three layers.

To free from ballast; to discharge ballast from. Totten.

Freed from ballast; having discharged ballast.

Not elastic; inelastic.

Inelasticity.

The process of forming an artificial palate.

The plastic operation for closing a fissure in the hard palate.

An operation for the repair of an injury or a defect in the walls of the urethra. -- U*re`thro*plas"tic, a.

A whorl of flowers apparently of one cluster, but composed of two opposite axillary cymes, as in mint. See Illust. of Whorl.

A form of voltaic, or galvanic, battery suitable for use electrotyping. G. Francis.