Examination of the urine; a manual for students and practitioners . Fig. 84.—Embryos of Filariasanguinis: Length, to ; thickness, to mm.(after Scheube). Fig. 85.—Eggs of Distomumhaematobium (Bilharzia haemato-bia): Length, mm.; breadth, mm. (after Bilharz). Distoma haematobium, a form found in eastern SouthAfrica, whose eggs may infect the urinary passages, theveins, etc. They produce a sharp pain when they arepassed along the urethra, and the urine contains blood, pus,fat, and the eggs of distoma. 33* EXAMINATION OF THE URINE Echinococcus.—The hooklets of Tce
Examination of the urine; a manual for students and practitioners . Fig. 84.—Embryos of Filariasanguinis: Length, to ; thickness, to mm.(after Scheube). Fig. 85.—Eggs of Distomumhaematobium (Bilharzia haemato-bia): Length, mm.; breadth, mm. (after Bilharz). Distoma haematobium, a form found in eastern SouthAfrica, whose eggs may infect the urinary passages, theveins, etc. They produce a sharp pain when they arepassed along the urethra, and the urine contains blood, pus,fat, and the eggs of distoma. 33* EXAMINATION OF THE URINE Echinococcus.—The hooklets of Tcenia echinococcusare found in urine in cases of parasitic cysts in the kid-ney, or in cases of rupture of such cysts into the urinarytract from some neighboring 2 3 Fig. 86.—Echinococcus elements: i, Free scolices; a, rostellumprojected; b, rostellum withdrawn; 2, hooklets; 3, membrane (X cross-section) (after Heller). Ascarides.—The presence of these worms in the urinemay be due to the accidental washing away of one of theseparasites from the region of the anus, or to an abnormalcommunication between the intestine and the urinarytract. QUESTIONS ON CHAPTER XX What does the term organized sediments include ? What is the rela-tive importance of organized and unorganized sediments ? Blood.—What influences the appearances of red cells in urine? PARASITES 339 What are normal blood-cells? Describe them. What is the first change blood undergoes when it enters the urine? What are abnormal blood-cells? How is normal blood distinguished from abnormal on gross inspec-tion? Describe hemin crystals. How may blood be removed from a sediment? What is the clinical significance of blood in the urine? What are the characteristics of blood from the kidne
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