. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 232 JOHN H. D. BRYAN AND JOHN W. GOWEN Scoring of cells Estimates of the relative areas of the seminiferous tubules occupied by each stage of spermatogenesis were obtained by means of the quantitative scoring proce- dure developed by Chalkley (1943). The manner in which this procedure was em- ployed was based on a similar application by Eschenbrenner, Miller and Lorenz (1948) but with minor modifications. 350- 300- 250- o o 200- SPERMATIDS SPERM SERTOLI. 5 10 16 28 DAYS AFTER X-RAYS (320r) FIGURE 2. Strain Ba. Incidence of s
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 232 JOHN H. D. BRYAN AND JOHN W. GOWEN Scoring of cells Estimates of the relative areas of the seminiferous tubules occupied by each stage of spermatogenesis were obtained by means of the quantitative scoring proce- dure developed by Chalkley (1943). The manner in which this procedure was em- ployed was based on a similar application by Eschenbrenner, Miller and Lorenz (1948) but with minor modifications. 350- 300- 250- o o 200- SPERMATIDS SPERM SERTOLI. 5 10 16 28 DAYS AFTER X-RAYS (320r) FIGURE 2. Strain Ba. Incidence of spermatids, sperm and Sertoli nuclei at different times following 320 r of 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 Biological Laboratory (Woods Hole, Mass. ). Annual report 1907/08-1952; Lillie, Frank Rattray, 1870-1947; Moore, Carl Richard, 1892-; Redfield, Alfred Clarence, 1890-1983. Woods Hole, Mass. : Marine Biological Laboratory
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