Essentials of practice of medicine : arranged in the form of questions and answers, prepared especially for students of medicine . casts being coagulated bloodwith imbedded corpuscles. Which are some of the other abnormal sediments of theurine of clinical interest ? Cystin, leucin and tyrosin, calcium oxalate and micro-organisms. When and in what form is cystin found in the urine ? Cystin is found occasionally, but very seldom, as urinary concre-tion, also in urinary deposits ; it is insoluble in water, not dis-solved by heating, but soluble in alkaline hydrates, also mineraland oxalic acids.
Essentials of practice of medicine : arranged in the form of questions and answers, prepared especially for students of medicine . casts being coagulated bloodwith imbedded corpuscles. Which are some of the other abnormal sediments of theurine of clinical interest ? Cystin, leucin and tyrosin, calcium oxalate and micro-organisms. When and in what form is cystin found in the urine ? Cystin is found occasionally, but very seldom, as urinary concre-tion, also in urinary deposits ; it is insoluble in water, not dis-solved by heating, but soluble in alkaline hydrates, also mineraland oxalic acids. Under the microscope it appears in the form ofcolorless, shining, six-sided plates or prisms (Fig. 17).When and how do leucin and tyrosin occur in urinary sedi-ments ? They occur frequently in the urinary sediments in acute yellowatrophy of the liver, also in phosphorus poisoning, and point to anincomplete oxidation of the albuminoids. 52 EXAMINATION OP URINE. What is the microscopical appearance of leucin ? Yellow-colored spheres, at times concentrically striated with protrading delicate points or spines (Fig. 18). Fig. Crystals of cystin {after Ultzmann). Fig. 18.
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