. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIGURE 9. Normal ovarian development in Cochliomyia hominivorax. Each figure repre- sents a single ovariole; drawings prepared from stained material. (A) From adult 28 hours old (384 X). (B) From adult 2i days old (60 X). (C) From adult 3i days old (60X). (D) From adult 4 days old (60X). ( = nurse cells; = oocyte nucleus; = second egg chamber; g = germarium.) ovarian growth, sterility can still be achieved by inducing dominant lethal changes in the formed or forming oocytes so that, even though eggs are p
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. FIGURE 9. Normal ovarian development in Cochliomyia hominivorax. Each figure repre- sents a single ovariole; drawings prepared from stained material. (A) From adult 28 hours old (384 X). (B) From adult 2i days old (60 X). (C) From adult 3i days old (60X). (D) From adult 4 days old (60X). ( = nurse cells; = oocyte nucleus; = second egg chamber; g = germarium.) ovarian growth, sterility can still be achieved by inducing dominant lethal changes in the formed or forming oocytes so that, even though eggs are produced, embryos will not develop (LaChance and Leverich, 1962). TABLE II Effects of gamma radiation on ovarian growth in Cochliomyia hominivorax. (Each number represents the mean from 30 5-day-old females ± the standard error of the mean.) Mean volume of ovaries ± sx () from females treated as: Radiation dose fr) 5-day-old pupae Adults 0-4 hours old Adults 48-52 hours old Right Left Right Left Right Left Control 2000 4000 5000 6000 8000 ± 8. 1102 ± 3. 6555 ± ± ± ± ± 8. 1696 ± 3. 6035 ± ± 12 11 ± ± 8. 3400 ± ± ± ± ± ±* ± ± ± 04 ± ± ±* ± 7. 4108 ± ± ± ± ± ± 7. 3072 ± ± ± ± ± * Mean from 18 females 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, 1
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