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A subdivision of Cetacea, including the sperm whale, dolphins, etc.; the toothed whales.

with glyceryl in the form of olein in certain animal and vegetable fats and oils, such as sperm oil, olive oil, etc. At low temperatures the acid is crystalline, but melts to an oily liquid above 14

nism and the germs of all subsequent offsprings and is merely awakened to activity by the spermatozoön; -- opposed to spermism or animalculism.

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

t century, that the egg was the real animal germ, and that at the time of fecundation the spermatozoa simply gave the impetus which caused the unfolding of the egg, in which all generations were inclosed one within the other. Also called ovist.

The light elastic wood of the Aspidosperma excelsum, a tree of Guiana having a fluted trunk readily split into planks.

In the form of tendrils; -- applied especially to the spermatic and ovarian veins.

A white waxy substance, resembling spermaceti, tasteless and odorless, and obtained from coal tar, wood tar, petroleum, etc., by distillation. It is used as an illuminant and lubricant. It is very inert, not being acted upon by most of the strong chemical reagents. It was formerly regarded as a definite compound, but i…

ion from this method through simple conjugation to perfect sexual reproduction by egg and sperm in the higher forms. -- Phy`co*my*ce"tous (#), a.

The genus that includes the sperm whale.

e injurious to the grapevine. -- Plume nutmeg (Bot.), an aromatic Australian tree (Atherosperma moschata), whose numerous carpels are tipped with long plumose persistent styles.

A capsule of plant, especially a legume; a dry dehiscent fruit. See Illust. of Angiospermous.

emoves maternal chromatin from the ovum to make room for the chromatin of the fertilizing spermatozoön; but their functions are not fully understood. -- Polar circles (Astron. & Geog.), two circles, each at a distance from a pole of the earth equal to the obliquity of the ecliptic, or about 23º 28', the northern calle…

The emission of semen, or sperm, at other times than in sexual intercourse. Dunglison.

with brown above. -- Prairie squirrel (Zoöl.), any American ground squirrel of the genus Spermophilus, inhabiting prairies; -- called also gopher. -- Prairie turnip (Bot.), the edible turnip-shaped farinaceous root of a leguminous plant (Psoralea esculenta) of the Upper Missouri region; also, the plant itself. Called…

An amorphous nitrogenous substance found in the spermatic fluid of salmon. It is soluble in water, which an alkaline reaction, and unites with acids and metallic bases.

ent which is used by the North American Indians, as the bloodroot and two species of Lithospermum (L. hirtum, and L. canescens); also, the pigment itself.

A young hen, or female of the domestic fowl. Pullet sperm, the treadle of an egg. [Obs.] Shak.

A Chilian apocynaceous tree (Aspidosperma Quebracho); also, its bark, which is used as a febrifuge, and for dyspnoea of the lung, or bronchial diseases; -- called also white quebracho, to distinguish it from the red quebracho, a Mexican anacardiaceous tree (Loxopterygium Lorentzii) whose bark is said to have similar pr…

pecially when still inclosed in the ovarian membranes. Sometimes applied, loosely, to the sperm and the testes of the male.