. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 614 MIROSLAV CESKA AND JAMES R. FISHER RESULTS Distribution of arginase activity in developing eggs The first objective of this study was to describe the changes in arginase activity of several tissues in eggs during the first 7 days of development. Embryo, pellu- cida, vasculosa and vitellina were excised, weighed and homogenized. An aliquot was removed for dry weight determination. Before the living area was dissected, the distance from the center to the outer edge of pellucida, vasculosa and vitellina was measured (severa
. The Biological bulletin. Biology; Zoology; Biology; Marine Biology. 614 MIROSLAV CESKA AND JAMES R. FISHER RESULTS Distribution of arginase activity in developing eggs The first objective of this study was to describe the changes in arginase activity of several tissues in eggs during the first 7 days of development. Embryo, pellu- cida, vasculosa and vitellina were excised, weighed and homogenized. An aliquot was removed for dry weight determination. Before the living area was dissected, the distance from the center to the outer edge of pellucida, vasculosa and vitellina was measured (several measurements were made on each tissue in each egg and the averages recorded). From these studies we could follow changes in the moist weight, dry weight, surface area and arginase activity per unit moist weight, dry VITELLINA UJ CO H- d o I. 40- o 20 UJ 60- 20- PELLUCIDA. 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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