SPage 635
- English Word Spermatozoid Definition 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. Called also spermatozoon. In plants the more usual term is antherozoid.
- English Word Spermatozooid Definition A spermatozoid.
- English Word Spermatozoon Definition Same as Spermatozoid.
- English Word Spermic Definition Of or pertaining to sperm, or semen.
- English Word Spermidia Definition of Spermidium
- English Word Spermidium Definition An achenium.
- English Word Spermist Definition A believer in the doctrine, formerly 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.
- English Word Spermo- Definition Combining forms from Gr. spe`rma, -atos, seed, sperm, semen (of plants or animals); as, spermatoblast, spermoblast.
- English Word Spermoblast Definition One of the cells formed by the division of the spermospore, each of which is destined to become a spermatozoid; a spermatocyte; a spermatoblast.
- English Word Spermococcus Definition The nucleus of the sperm cell.
- English Word Spermoderm Definition The covering of a seed; -- sometimes limited to the outer coat or testa.
- English Word Spermogonium Definition A conceptacle of certain lichens, which contains spermatia.
- English Word Spermologist Definition One who treats of, or collects, seeds.
- English Word Spermophile Definition Any ground squirrel of the genus Spermophilus; a gopher. See Illust. under Gopher.
- English Word Spermophore Definition A spermatophore.
- English Word Spermophyta Definition Plants which produce seed; phaenogamia. These plants constitute the highest grand division of the vegetable kingdom.
- English Word Spermophyte Definition Any plant which produces true seeds; -- a term recently proposed to replace ph/nogam.
- English Word Spermophytic Definition Capable of producing seeds; ph/nogamic.
- English Word Spermoplasma Definition The protoplasm of the sperm cell.
- English Word Spermosphere Definition A mass or ball of cells formed by the repeated division of a male germinal cell (spermospore), each constituent cell (spermoblast) of which is converted into a spermatozoid; a spermatogemma.