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Of or pertaining to physiology; relating to the science of the functions of living organism; as, physiological botany or chemistry.

The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life.

ke young, and constituting one of the stages in the life cycle of Mycetozoa and other low organisms.

Any agent which, when introduced into the animal organism, is capable of producing a morbid, noxious, or deadly effect upon it; as, morphine is a deadly poison; the poison of pestilential diseases.

The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.

The compound organism of a polyzoan.

One of the individual zooids forming the compound organism of a polyzoan.

of substances with the organs of taste, touch, and smell, or otherwise affect the living organism, as in the manner of medicines and poisons.

coloring (Zoöl.), coloring which serves for the concealment and preservation of a living organism. Cf. Mimicry. Wallace. -- Protective tariff (Polit. Econ.), a tariff designed to secure protection (see Protection, 4.), as distinguished from a tariff designed to raise revenue. See Tariff, and Protection, 4.…

A provisional group in which are placed a number of low microscopic organisms of doubtful nature. Some are probably plants, others animals.

protomartyr, the first martyr; protomorphic, primitive in form; protoplast, a primordial organism; prototype, protozoan.

Any protoplasmic filament or irregular process projecting from any unicellular organism, or from any animal or plant call.

A small branch, or branchlet, of corals, hydroids, and similar organisms.

Things thrown out or away; especially, things excreted by a living organism. J. Fleming.

specially in those those of the stomach, associated with certain diseases. The individual organisms undergo division along two perpendicular partitions, so that multiplication takes place in two directions, giving groups of four cubical cells. Also used adjectively; as, a sarcina micrococcus; a sarcina group. Sarcina f…

One of a class of vegetable organisms, in the classification of Cohn, which includes all of the inferior forms that multiply by fission, whether they contain chlorophyll or not.

separable from them as such, but are dependent for their development and intensity on the organism of the percipient, such as color, taste, odor, etc. -- Secondary quills or remiges (Zoöl.), the quill feathers arising from the forearm of a bird and forming a row continuous with the primaries; -- called also secondarie…

ocalized, and transformed into sensations, prior to being reflected to other parts of the organism; hence, the whole nervous system, when animated, so far as it is susceptible of common or special sensations.

ue. (b) A disease which is itself uniformly produced by a definite and peculiar poison or organism. -- Specific duty. (Com.) See under Duty. -- Specific gravity. (Physics) See under Gravity. -- Specific heat (Physics), the quantity of heat required to raise temperature of a body one degree, taking as the unit of mea…

The tendency to undergo change, characteristic of both animal and vegetable organisms, and not restrained or cheked by the environment.