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ducts of inflammation are converted into a cheesy substance which is neither absorbed nor organized.

h other, and it has a group of long sharp spines on each wing which are used as defensive organs. It is a shy bird, and runs with great rapidity. Other species inhabit New Guinea, Australia, etc.

Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.

of the minute elementary structures, of which the greater part of the various tissues and organs of animals and plants are composed.

d from the development of the germ cell and by differentiation converted into tissues and organs which, both in plants ans animals, are to be considered as a mass of minute cells communicating with each other. -- Cellular tissue. (a) (Anat.) See conjunctive tissue under Conjunctive. (b) (Bot.) Tissue composed entirely…

The absence or suppression of the essential organs (stamens and pistil) in a flower.

y) transmitted by an afferent nerve from the exterior of the body inwards, to the central organ.

It is regarded as the dynamic element by means of which the machinery of cell division is organized.

the head in animal life as expressed in the physical structure; localization of important organs or parts in or near the head, in animal development. Dana.

A group of nudibranchiate Mollusca having on the back papilliform or branched organs serving as gills.

nts or segments, each of which may contain a complete set of male and female reproductive organs. They have neither mouth nor intestine. See Tapeworm. [Written also Cestoda.]

fun of; to turn into ridicule by addressing in ironical or bantering language; to quiz. Morgan saw that his master was chaffing him. Thackeray. A dozen honest fellows . . . chaffed each other about their sweethearts. C. Kingsley.

The presiding officer of a committee, or of a public or private meeting, or of any organized body.

The office of a chairman of a meeting or organized body.

The confused, unorganized condition or mass of matter before the creation of distinct and order forms.

An organized branch of some society or fraternity as of the Freemasons. Robertson.

One of the anterior pair of mouth organs, terminated by a pincherlike claw, in scorpions and allied Arachnida. They are homologous with the falcers of spiders, and probably with the mandibles of insects.

A term sometimes applied to the decomposition of organic substance into more simple bodies, by the use of chemical agents alone. Thudichum.

Synthesis of organic compounds by energy derived from chemical changes or reactions. Chemosynthesis of carbohydrates occurs in the nitrite bacteria through the oxidation of ammonia to nitrous acid, and in the nitrate bacteria through the conversion of nitrous into nitric acid. -- Chem`o*syn*thet"ic (#), a.…

The sensitiveness exhibited by small free-swimming organisms, as bacteria, zoöspores of algæ, etc., to chemical substances held in solution. They may be attracted (positive chemotaxis) or repelled (negative chemotaxis). -- Chem`o*tac"tic (#), a. -- Chem`o*tac"tic*al*ly, adv.