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The structure which unites together the ascidiozooids in a compound ascidian.

wo-necked bottle. The group includes, social, and compound species. The gill is a netlike structure within the oral aperture. The integument is usually leathery in texture. See Illustration in Appendix.

Broken in place; -- said of rocks having a broken or brecciated structure due to crushing, in contrast to those of brecciated materials brought from a distance.

Dependent upon, or due or relating to, the structure and characteristics of the diseased organism; endopathic; as, an autopathic disease; an autopathic theory of diseases.

A structure in form of a canopy, sometimes supported by columns, and sometimes suspended from the roof or projecting from the wall; generally placed over an altar; as, the baldachin in St. Peter's.

h bark and water, in which hides are steeped in tanning. -- Bark stove (Hort.), a glazed structure for keeping tropical plants, having a bed of tanner's bark (called a bark bed) or other fermentable matter which produces a moist heat.

nly in the pl., originally meaning temporary huts, but now usually applied to a permanent structure or set of buildings. He lodged in a miserable hut or barrack, composed of dry branches and thatched with straw. Gibbon.

A small, overhanging structure for lookout or defense, usually projecting at an angle of a building or near an entrance gateway.

the ground story of a building, or of a part of that story, when treated as a distinct substructure. ( See Base, n., 3 (a).) Hence: The rooms of a ground floor, collectively. Basement membrane (Anat.), a delicate membrane composed of a single layer of flat cells, forming the substratum upon which, in many organs, the e…

by the buttresses, vaulting, mullions of a window, etc.; one of the main divisions of any structure, as the part of a bridge between two piers.

A transverse frame of a framed structure.

rom matter which is not living; the study of living tissue. It has to do with the origin, structure, development, function, and distribution of animals and plants.

The structureless, protoplasmic tissue of the embryo; the primitive basis of an organ yet unformed, from which it grows.

An edifice or structure of heavy timbers or logs for military defense, having its sides loopholed for musketry, and often an upper story projecting over the lower, or so placed upon it as to have its sides make an angle wit the sides of the lower story, thus enabling the defenders to fire downward, and in all direction…

A strong metallic vessel, usually of wrought iron plates riveted together, or a composite structure variously formed, in which steam is generated for driving engines, or for heating, cooking, or other purposes.

A structure which heavy shot and shell will not penetrate.

A covered stall or temporary structure in a fair or market, or at a polling place.

The science which treats of the structure of plants, the functions of their parts, their places of growth, their classification, and the terms which are employed in their description and denomination. See Plant.

A variety of datolite, usually having a botryoidal structure.

tion of, weight or pressure; any one of the pieces, in a frame or truss, which divide the structure into triangular parts. It may act as a tie, or as a strut, and serves to prevent distortion of the structure, and transverse strains in its members. A boiler brace is a diagonal stay, connecting the head with the shell.…