Results 211 to 220 of about 215,588 (240)
An intergenerational lipid memory of the social environment inC. elegans
Wilhelm T +5 more
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Effects of crotoxin (lecithinase A) on egg yolk and yolk constituents
Archives of Biochemistry and Biophysics, 1954Abstract The gelation of egg yolk caused by freezing was reduced by incubation with crotoxin (lecithinase A) before or after freezing. The lipoprotein fractions of yolk, lipovitellin and lipovitellenin, were attacked by crotoxin. The lysophospholipoproteins formed were hemolytic, had changed solubilities in water, and could be split by ethanol to ...
L. R. MacDonnell +2 more
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Yolk sac tumors of the ovary and the human yolk sac
American Journal of Obstetrics and Gynecology, 1987In the present study a comparison was made between human yolk sacs and yolk sac tumors. Tubules surrounded by several to as many as 10 endodermal cells and intracellular tubules in one endodermal cell were frequently observed. The tubules were seen abundantly in the yolk sac of a 4-week pregnancy, and they resembled the reticular pattern of the yolk ...
Yuugi Kanda +5 more
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The human yolk sac and yolk sac carcinoma
Human Pathology, 1976The ultrastructure of the yolk sac of a 39 day old human embryo was studied. The subcellular organization was suggestive of a highly specialized absorptive function proceeding in an exocelomic-viteline direction. These findings, compatible with intense metabolic activity, are at variance with the concept of rapid involution of the yolk sac following ...
Frank Gonzalez-Crussi, Lawrence M. Roth
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Social Choice and Welfare, 2016
The yolk, an important concept of spatial majority voting theory, is assumed to be unique when the number of individuals is odd. We prove that this claim is true in $$ {\mathbb {R}} ^{2}$$ but false in
Zéphirin Nganmeni +2 more
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The yolk, an important concept of spatial majority voting theory, is assumed to be unique when the number of individuals is odd. We prove that this claim is true in $$ {\mathbb {R}} ^{2}$$ but false in
Zéphirin Nganmeni +2 more
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Southern Medical Journal, 1976
Yolk sac carcinoma is an uncommon neoplasm which has appeared under a variety of names. It has been reported not only in gonadal sites but also in the mediastinum, pineal body, and sacral areas. The typical histologic appearance of this tumor and the variety of locations are demonstrated by four case reports. A 57-year-old patient with an ovarian tumor
Brown, Green Jd
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Yolk sac carcinoma is an uncommon neoplasm which has appeared under a variety of names. It has been reported not only in gonadal sites but also in the mediastinum, pineal body, and sacral areas. The typical histologic appearance of this tumor and the variety of locations are demonstrated by four case reports. A 57-year-old patient with an ovarian tumor
Brown, Green Jd
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Biochimica et Biophysica Acta (BBA) - Lipids and Lipid Metabolism, 1992
The mature egg yolk of the domestic hen possesses remarkably constant lipid and lipoprotein composition despite much variation in dietary and environmental conditions. The greatest differences are seen in the fatty acid composition of the triacylglycerols which may show significant alterations in the content of the minor acids including certain ...
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The mature egg yolk of the domestic hen possesses remarkably constant lipid and lipoprotein composition despite much variation in dietary and environmental conditions. The greatest differences are seen in the fatty acid composition of the triacylglycerols which may show significant alterations in the content of the minor acids including certain ...
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Replacement of Yolk of the Chicken Embryo in ovo with Fresh Yolk or Yolk Varying in Granule and Cholesterol Content [PDF]
Avian Biology Research, 2015 A method has been devised to study the nutritional role of yolk cholesterol in the development of the chicken ( Gallus gallus domesticus) embryo using egg yolk replacement. Preliminary experiments revealed that 11 mL of yolk in medium-sized eggs were adequate to support embryos from 4 to 20 days of incubation, and that low levels of β-cyclodextrin (β ...
Richard E. Austic, Kun-Nan Hsu
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