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The male germ cell in animals and plants, the essential element in fertilization; a microscopic animalcule-like particle, usually provided with one or more cilia by which it is capable of active motion. In animals, the familiar type is that of a small, more or less ovoid head, with a delicate threadlike cilium, or tail…

e male reproductive apparatus in the lower, consisting of a cell or other cavity in which spermatozoids are produced; -- called also spermary. -- An`ther*id"i*al, a.

An organ which produces both ova and spermatozoids; an hermaphrodite gland.

a white or whitish viscid fluid secreted by the testes, characterized by the presence of spermatozoids to which it owes its generative power. Semen contra, or Semen cinæ or cynæ, a strong aromatic, bitter drug, imported from Aleppo and Barbary, said to consist of the leaves, peduncles, and unexpanded flowers of variou…

cundating fluid; semen. See Semen. Sperm cell (Physiol.), one of the cells from which the spermatozoids are developed. -- Sperm morula. (Biol.) Same as Spermosphere.

One of the motionless spermatozoids in the conceptacles of certain fungi. J. H. Balfour.

The development of the spermatozoids.

vides into a mass (spermosphere) of small cells (spermoblast), which in turn give rise to spermatozoids.

ll is either through a pollen tube emitted by the microspore or (in a few gymnosperms) by spermatozoids. The phrase "flowering plants" is less distinctive than "seed plants," since the conifers, grasses, sedges, oaks, etc., do not produce flowers in the popular sense. For this reason the terms Anthrophyta, Phænogamia,…

A spermatozoid.

Same as Spermatozoid.

erly current, of encasement in the male (see Encasement), in which the seminal thread, or spermatozoid, was considered as the real animal germ, the head being the true animal head and the tail the body.

e cells formed by the diivision of the spermospore, each of which is destined to become a spermatozoid; a spermatocyte; a spermatoblast.

inal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma.

eminal cell, from the breaking up of which the spermoblasts are formed and ultimately the spermatozoids; a spermatospore. Balfour.

One of the spermatic particles; spermatozoid.