. A practical treatise on medical diagnosis for students and physicians . casts. (Plate , Figs. 1, 1; and ) 3. Waxy casts appear to the eye to be more solid in structure than thehyaline casts ; they also appear more cylindrical in form, are more or lessyellow in color, and are apt to be larger than hyaline casts. (, Figs. 1, 2.) 4. Fatty casts are hyaline or faintly granular casts on which are de-posited, in spots, minute oil-drops. If the oil-drops are very abundant,they are sometimes called oil-casts. (Fig. 234.) 5. BloodA casts are either made up of a mass of bloo
. A practical treatise on medical diagnosis for students and physicians . casts. (Plate , Figs. 1, 1; and ) 3. Waxy casts appear to the eye to be more solid in structure than thehyaline casts ; they also appear more cylindrical in form, are more or lessyellow in color, and are apt to be larger than hyaline casts. (, Figs. 1, 2.) 4. Fatty casts are hyaline or faintly granular casts on which are de-posited, in spots, minute oil-drops. If the oil-drops are very abundant,they are sometimes called oil-casts. (Fig. 234.) 5. BloodA casts are either made up of a mass of blood-cells pressedinto a cylindrical shape, or more frequently they are hyaline casts studdedwith blood-cells. (Plate , Fig. 2.) 6. Epithelial casts sometimes seem to be composed entirely of epithelial 658 THE URINE. cells closely packed. Such casts are relatively rare, and very , just as in the case of blood-casts, an epithelial cast consistsof a hyaline cast more or less covered with renal epithelium. (, Figs. 1, 1 ; and Fig. 230.). Fatty casts from a case of chronic parenchymatous neph 7. Pus-casts are usually described as more or less regularly occurringin purulent kidney affections. 8. Cylindroids are very common. In general appearance they resemblehyaline casts; but they are apt to be much longer, bent, twisted, or split,and to have a striated or finely ribbed appearance on close examination. Moreover, the diameter of the cast frequently varies greatly at differentpoints; sometimes it appears constricted in several places, and in othercases one end tapers into a thread. Often cylindroids consist of fine, nar-row, ribbon-like threads. (Figs. 231 and 235.) SPERMATOZOA. 659 Spermatozoa. Spermatozoa are easily recognized by their tadpoleshape and by the vibratile motion of their long, delicate tails. They arefound in the urine of both sexes after sexual intercourse. (Figs. 236 and237.) Fig. 236.
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