. The science and practice of medicine . *, through a period of about three and a half mo*nths. In theopaque semi-fluid mass, the arborescent character of the casts was quitedistinct, but was thoroughly brought out by an admixture with, and gen-tle agitation in, water. They were always cylindrical or solid, and variedfrom |th to |ths of an inch in diameter at the base of the cast, the extremelength of some of the larger ones reaching nearly four inches in case was one of malignant disease of the lungs. * [Ed. Med. and Surg. Jour., t. iv, 1803.] 710 SPECIAL PATHOLOGY PLASTIC BRONCHIT
. The science and practice of medicine . *, through a period of about three and a half mo*nths. In theopaque semi-fluid mass, the arborescent character of the casts was quitedistinct, but was thoroughly brought out by an admixture with, and gen-tle agitation in, water. They were always cylindrical or solid, and variedfrom |th to |ths of an inch in diameter at the base of the cast, the extremelength of some of the larger ones reaching nearly four inches in case was one of malignant disease of the lungs. * [Ed. Med. and Surg. Jour., t. iv, 1803.] 710 SPECIAL PATHOLOGY PLASTIC BRONCHITIS. Fig. Cast in plastic bronchitis, one half natural size, involving bronchi of an entire lobe oflung.—(J3. Rogers.) The microscope shows these casts to have a pretty uniform first sight they seem to consist of parallel and nearly straight fibres,intermixed with numerous rounded bodies about the size of blood-corpus-cles. On a more accurate examination, the fibrous appearance is foundto be deceptive, and to be produced by the edges of delicate, transparent,nearly structureless laminae, closely and concentrically arranged. Be-tween these lamina? the corpuscles exist in large numbers, more or lessglobular, for the most part uniform in texture and solid, but sometimeshaving a somewhat irregular cavity. Acetic acid produces expansion andpartial solution of the lamina?, but has no evident action upon the corpus-cles. Towards the terminations of the minutest ramifications of the caststhere are found, mixed more or less abundantly with these structures,compound granular cells, irregul
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