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The art of dissecting, or artificially separating the different parts of any organized body, to discover their situation, structure, and economy; dissection.

fix signifying action; also, quality or state; as, assistance, resistance, appearance, elegance. See -ancy.

An oxide of a nonmetallic body or an organic radical, capable of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.

An organic base belonging to the phenylamines. It may be regarded as ammonia in which one hydrogen atom has been replaced by the radical phenyl. It is a colorless, oily liquid, originally obtained from indigo by distillation, but now largely manufactured from coal tar or nitrobenzene as a base from which many brilliant…

An organized living being endowed with sensation and the power of voluntary motion, and also characterized by taking its food into an internal cavity or stomach for digestion; by giving carbonic acid to the air and taking oxygen in the process of respiration; and by increasing in motive power or active aggressive force…

Having the number of floral organs unequal, as four petals and six stamens.

A narrow circle of some distinct color on a surface or round an organ.

A displacement forward of an organ, esp. the uterus, in such manner that its axis is bent upon itself. T. G. Thomas.

A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns,…

A displacement of an organ, esp. of the uterus, in such manner that its whole axis is directed further forward than usual.

A extravagant fondness for flowers. [R.]

A microscopic, bacterial organism (Bacillus anthracis), resembling transparent rods. [See Illust. under Bacillus.]

The science of the laws of the development of the human organism in relation to other organisms and to environment. -- An`thro*po*nom"ic*al (#), a.

Prevention of sepsis by excluding or destroying microorganisms.

nce which prevents or retards putrefaction, or destroys, or protects from, putrefactive organisms; as, salt, carbolic acid, alcohol, cinchona.

A substance (sometimes the product of a specific micro-organism and sometimes naturally present in the blood or tissues of an animal), capable of producing immunity from certain diseases, or of counteracting the poisonous effects of pathogenic bacteria.

oeotia, or to the Muses, who were supposed to dwell there. Aonian fount, the fountain of Aganippe, at the foot of Mount Helicon, not far from Thebes, and sacred to the Muses.

Loss of the power of speech, or of the appropriate use of words, the vocal organs remaining intact, and the intelligence being preserved. It is dependent on injury or disease of the brain.

A depth of water so great that only those organisms can exist that do not assimilate.

An order of holothurians in which the internal respiratory organs are wanting; -- called also Apoda or Apodes.