Human physiology . I •_f^.c. Flfi. !i—Fragments of epithelium from frogs intestine, observed at different periods afterfat absorption. (Krehl.) 700 diameters. A, i-nnn ti-ntjioraria in summer, 3 hours afterartilicial feeding with olive oil; B, rana temporaria in summer, 5 hours after samefeeding; C, mini esculenta in winter, 4th day after feeding with cream ; I>, mmi tfmI^rnim insummer, S hours after feeding with olive oil. Tin- fat diuplits are stained more or less blackwith osinic acid. are spherules of a distinct black colour (Fig. 92). According toAltrnanns theory of the granular struct
Human physiology . I •_f^.c. Flfi. !i—Fragments of epithelium from frogs intestine, observed at different periods afterfat absorption. (Krehl.) 700 diameters. A, i-nnn ti-ntjioraria in summer, 3 hours afterartilicial feeding with olive oil; B, rana temporaria in summer, 5 hours after samefeeding; C, mini esculenta in winter, 4th day after feeding with cream ; I>, mmi tfmI^rnim insummer, S hours after feeding with olive oil. Tin- fat diuplits are stained more or less blackwith osinic acid. are spherules of a distinct black colour (Fig. 92). According toAltrnanns theory of the granular structure of protoplasm, thepunctiform particles, which hardly stain with the osrnic acid, wouldbe the elementary granules that subserve the protoplasmicfunction, surrounded by a layer of fat synthetically regenerated INTEENAL EESTITUT1VE SECEETIONS 281 by the anabolic action of the granules ; the black spherules ofincreasing size observed later on would have nuclei composed ofthe elementary granules, which are invisible because
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectphysiology, bookyear1
