. The biology of the frog . Fig. 43. — Three phases of the hepatic cells of the frog. A, cells rich inglycogen taken from a frog during winter. There are numerous pro-teid granules around the lumen, and several larger fat globules towardthe outer ends of the cells. B, cells poor in glycogen taken from a win-ter frog that had been kept for ten days at a temperature of 220 C. Theproteid granules are scattered uniformly throughout the cell. Much thesame appearance is presented by the hepatic cells of a frog in , cells taken from a frog starved for a longtime in summer. The cellsare shrunk
. The biology of the frog . Fig. 43. — Three phases of the hepatic cells of the frog. A, cells rich inglycogen taken from a frog during winter. There are numerous pro-teid granules around the lumen, and several larger fat globules towardthe outer ends of the cells. B, cells poor in glycogen taken from a win-ter frog that had been kept for ten days at a temperature of 220 C. Theproteid granules are scattered uniformly throughout the cell. Much thesame appearance is presented by the hepatic cells of a frog in , cells taken from a frog starved for a longtime in summer. The cellsare shrunken and the glycogen has almost disappeared. (From FostersPhysiology, after Langley.) hour after feeding the congestion has disappeared, and thecells diminish somewhat in size. Functions of the Bile. — The bile, which is secreted bythe cells of the liver, makes its way by means of the gall 156 THE BIOLOGY OF THE FROG chap. capillaries to the hepatic ducts, and thence into the gallbladder, where it is stored until food pa
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