. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 162 J. S. DICKSON AT AL. Figures 17-19. TEM of filaments. Figure 17. Cross section of nerve showing individual neurons (n) having evenly spaced neurotuhules (arrowheads). Bar = /jm. Figure 18. Podocyte (P) in loose connective tissue (Ct). Note electron-dense inclusions (d). Bar = ^m. Figure 19. Podocyte cytoplasm showing pedicels (arrowheads) golgi (g) and basal lamina (arrow). Bar = ^m. filaments; however, the difference between the means was not significant. Mean values for Mg-ATPase were very similar between r
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 162 J. S. DICKSON AT AL. Figures 17-19. TEM of filaments. Figure 17. Cross section of nerve showing individual neurons (n) having evenly spaced neurotuhules (arrowheads). Bar = /jm. Figure 18. Podocyte (P) in loose connective tissue (Ct). Note electron-dense inclusions (d). Bar = ^m. Figure 19. Podocyte cytoplasm showing pedicels (arrowheads) golgi (g) and basal lamina (arrow). Bar = ^m. filaments; however, the difference between the means was not significant. Mean values for Mg-ATPase were very similar between respiratory and transporting filaments and were likewise not significantly different. The means for Na, K-ATPase, in contrast, were significantly different (P < , Mann-Whitney U test), with the transporting filaments having more than five times as much mean ac- tivity as the respiratory filaments. Transepithelial potentials The values of the TEP's in the filaments were indepen- dent of the region (proximal, medial, or distal) of the fil- ament impaled and of the podobranch upon which the filament was located. The TEP's of filaments that were presumed to be respiratory (based upon the silver staining results) ranged from -6 to -18 mV ( ± mV, mean ± , n = 19). The TEP's measured in presump- tive transport filaments ranged from -21 to -36 mV ( ± mV, mean ± ; n = 21). There was no overlap in the frequency distributions of the ranges of TEP's (Fig. 21) and the difference between the means was highly significant (P < , two-tailed t test). The sodium concentration of the medium was 51 mA/and that of the hemolymph was ± mA/ (mean ± , n = 11).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Marine Biological Laboratory (Woods Hole, Mass. ); Marine Biologi
Size: 1525px × 1638px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlilliefrankrat, booksubjectbiology, booksubjectzoology
