最新 人气 评论 赞 踩
Spermatophorous
a.
2   0   0   0
Producing seed, or sperm; seminiferous; as, the so-called spermatophorous cells.
Spermatorrhea
n.
2   0   0   0
Alt. of Spermatorrhoea
Spermatorrhoea
n.
4   0   0   0
Abnormally frequent involuntary emission of the semen without copulation.
Spermatospore
n.
2   0   0   0
Same as Spermospore.
Spermatozoid
n.
2   0   0   0
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.
Spermatozooid
n.
2   0   0   0
A spermatozoid.
Spermatozoa
pl.
2   0   0   0
of Spermatozoon
Spermatozoon
n.
2   0   0   0
Same as Spermatozoid.
Spermic
a.
2   0   0   0
Of or pertaining to sperm, or semen.
Spermidia
pl.
2   0   0   0
of Spermidium
Spermidium
n.
2   0   0   0
An achenium.
Spermist
n.
2   0   0   0
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.
Spermoblast
n.
2   0   0   0
One of the cells formed by the division of the spermospore, each of which is destined to become a spermatozoid; a spermatocyte; a spermatoblast.
Spermococcus
n.
2   0   0   0
The nucleus of the sperm cell.
Spermoderm
n.
2   0   0   0
The covering of a seed; -- sometimes limited to the outer coat or testa.
Spermogonium
n.
2   0   0   0
A conceptacle of certain lichens, which contains spermatia.
Spermologist
n.
3   0   0   0
One who treats of, or collects, seeds.
Spermophile
n.
2   0   0   0
Any ground squirrel of the genus Spermophilus; a gopher. See Illust. under Gopher.
Spermophore
n.
2   0   0   0
A spermatophore.
Spermophyta
n. pl.
2   0   0   0
Plants which produce seed; phaenogamia. These plants constitute the highest grand division of the vegetable kingdom.
Spermophyte
n.
2   0   0   0
Any plant which produces true seeds; -- a term recently proposed to replace ph/nogam.
Spermophytic
a.
2   0   0   0
Capable of producing seeds; ph/nogamic.
Spermoplasma
n.
2   0   0   0
The protoplasm of the sperm cell.
Spermosphere
n.
2   0   0   0
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.
Spermospore
n.
2   0   0   0
The male germinal or seminal cell, from the breaking up of which the spermoblasts are formed and ultimately the spermatozoids; a spermatospore.
Spermule
n.
2   0   0   0
A sperm cell.
Sperm whale
2   0   0   0
A very large toothed whale (Physeter macrocephalus), having a head of enormous size. The upper jaw is destitute of teeth. In the upper part of the head, above the skull, there is a large cavity, or case, filled with oil and spermaceti. This whale sometimes grows to the length of more than eighty feet. It is found in the warmer parts of all the oceans. Called also cachalot, and spermaceti whale.
Sperrylite
n.
2   0   0   0
An arsenide of platinum occuring in grains and minute isometric crystals of tin-white color. It is found near Sudbury, Ontario Canada, and is the only known compound of platinum occuring in nature.
Sperse
v. t.
2   0   0   0
To disperse.
Spessartite
n.
2   0   0   0
A manganesian variety of garnet.