Search the Dictionary

An artificial organic base, obtained by oxidizing a mixture of aniline and toluidine, and valuable for the dyestuffs it forms. [Written also mauvine.]

ng in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; as, median coverts. Median line. (a) (Anat.) Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) (Geom.) The line drawn from an angle of a trian…

The marrow of bones; the deep or inner portion of an organ or part; as, the medulla, or medullary substance, of the kidney; specifically, the medula oblongata.

ng to, or derived from, the mineral mellite. Mellitic acid (Chem.), a white, crystalline, organic substance, C6(CO2H)6, occurring naturally in combination with aluminium in the mineral mellite, and produced artificially by the oxidation of coal, graphite, etc., and hence called also graphitic acid.

A kind of small reed organ; -- a portable form of the seraphine.

A part of an animal capable of performing a distinct office; an organ; a limb. We have many members in one body, and all members have not the same office. Rom. xii. 4.

of tissue, usually supported by a fibrous network, serving to cover or line some part or organ, and often secreting or absorbing certain fluids.

discharge, a periodic flow of blood or bloody fluid from the uterus or female generative organs.

Organization in part. [R.]

The middle one of the three pairs of embryonic renal organs developed in most vertebrates; the Wolffian body.

A group of very lowly organized, wormlike parasites, including the Dicyemata. They are found in cephalopods. See Dicyemata.

ining to, or denoting, any one of a series of compounds of certain metallic elements with organic radicals; as, zinc methyl, sodium ethyl, etc. [Written also metallorganic.]

A change in the form or function of a living organism, by a natural process of growth or development; as, the metamorphosis of the yolk into the embryo, of a tadpole into a frog, or of a bud into a blossom. Especially, that form of sexual reproduction in which an embryo undergoes a series of marked changes of external…

The most posterior of the three pairs of embryonic renal organs developed in many vertebrates.

cal changes in the constituents of the plant which are not accompanied by a production of organic matter; metabolism.

The assimilation by one body or organism of the elements of another.

The hypothetical hydrocarbon radical CH, regarded as an essential residue of certain organic compounds.

A microscopic organism; -- particularly applied to bacteria and especially to pathogenic forms; as, the microbe of fowl cholera.

Any agent detrimental to, or destructive of, the life of microbes or bacterial organisms.

The study of minute organisms, or microbes, as the bacteria. -- Mi`cro*bi`o*log"ic*al (#), a. -- Mi`cro*bi*ol"o*gist (#), n.