A practical treatise on urinary and renal diseases : including urinary deposits . iters have erected it into a separate genus, whichCobbold has named Bilharzia in honour of its discoverer. Itis an elongated, soft-skinned, bisexual entozoon, three or four lines in length, of the trematode orfluke kind (Fig. 73). It inhabitsthe branches of the portal system,and the minute veins of the pelvis ofthe kidney, ureter, and .bladder. Socommon is it among the Egyptians,that Griesinger found it 117 timesin 363 autopsies. The male (h i g) is comparativelythick and short, and provided witha gynascophoric c


A practical treatise on urinary and renal diseases : including urinary deposits . iters have erected it into a separate genus, whichCobbold has named Bilharzia in honour of its discoverer. Itis an elongated, soft-skinned, bisexual entozoon, three or four lines in length, of the trematode orfluke kind (Fig. 73). It inhabitsthe branches of the portal system,and the minute veins of the pelvis ofthe kidney, ureter, and .bladder. Socommon is it among the Egyptians,that Griesinger found it 117 timesin 363 autopsies. The male (h i g) is comparativelythick and short, and provided witha gynascophoric canal, in which thelonger, filiform female (a b c) islodged during the copulatory act. The egg (Figs. 74 and 75) are oval bodies, t\q of an inch long, with a spiny projection from the anterior end. The embryo, when the female. (After newly escaped, is flask-shaped, and provided with cilia (Fig. 75). This creature does not produce much mischief in the larger veins ; but when lodged in the smaller vessels of the mucous and submucous tissue of the urinary and intestinal tracts, it. Fig. 73. Bilharziahighly magnifiedmale ; a bBilharz.) Hajmatobia,h i g, the MORBID ANATOMY AND SYMPTOMS. 591 engenders severe and often fatal disorganisation. Griesingerfound that, in the large intestines, it gave rise to a diseaseresembling dysentery, and that it was a frequent complicationof that disease, but not the essential cause of it. The ravages of the Bilharzia produce much more seriousresults in the urinary channels than in the intestines. Itchiefly affects the bladder ; but frequently also the ureter andpelvis of the kidney. In the bladder, it gives rise to injected and ecchymoticraised patches, varying from the size of a lentil to that of ashilling, covered with a tough mucus, or with greyish-yellow,bloody exudation, which contains masses of ova. In moreadvanced stages the patches are more elevated, discoloured,mixed with pigment specks, smooth and leathery, or soft,friable, and encrusted wit


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