The Nutrition of the Ovum of Hydra viridis

The nutrition of Hydra viridis is a dual process, there being two phases. The first phase has reference to the nutrition of an oögonium of the final generation. This oögonium is nourished through the disintegration and resorption of adjacent interstitial cells. Through the nourishment, thus obtain...

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Veröffentlicht in:	The Biological bulletin 1926-06, Vol.50 (6), p.525-532
Hauptverfasser:	Wm. A. Kepner, Looper, J. B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Cell growth Cell nucleus Cytoplasm Endoderm Interstitial cells Nutrition Oocytes Ova Ovaries Pseudopodia
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container_title	The Biological bulletin
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creator	Wm. A. Kepner Looper, J. B.
description	The nutrition of Hydra viridis is a dual process, there being two phases. The first phase has reference to the nutrition of an oögonium of the final generation. This oögonium is nourished through the disintegration and resorption of adjacent interstitial cells. Through the nourishment, thus obtained, the final oögonium grows into a large pseudopodial cell, the primary oöcyte. The first nutritional phase is referred to the growth of the final oögonium into a primary oöcyte. It does not involve yolkformation. The second phase of nutrition begins with the primary oöcyte lying, as a pseudopodial cell, in extended relation to the endoderm. Yolk is elaborated by the oöcyte from material handed over by the endoderm and the protoplasm of interstitial cells is not involved. The second nutritional phase is referred to the development of the zygote.
doi_str_mv	10.2307/1536487
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The first phase has reference to the nutrition of an oögonium of the final generation. This oögonium is nourished through the disintegration and resorption of adjacent interstitial cells. Through the nourishment, thus obtained, the final oögonium grows into a large pseudopodial cell, the primary oöcyte. The first nutritional phase is referred to the growth of the final oögonium into a primary oöcyte. It does not involve yolkformation. The second phase of nutrition begins with the primary oöcyte lying, as a pseudopodial cell, in extended relation to the endoderm. Yolk is elaborated by the oöcyte from material handed over by the endoderm and the protoplasm of interstitial cells is not involved. The second nutritional phase is referred to the development of the zygote.</description><subject>Cell growth</subject><subject>Cell nucleus</subject><subject>Cytoplasm</subject><subject>Endoderm</subject><subject>Interstitial cells</subject><subject>Nutrition</subject><subject>Oocytes</subject><subject>Ova</subject><subject>Ovaries</subject><subject>Pseudopodia</subject><issn>0006-3185</issn><issn>1939-8697</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1926</creationdate><recordtype>article</recordtype><sourceid>79B</sourceid><recordid>eNp1kFFLwzAQx4MoOKf4FfqgCEL1mqxp8yhD3WC4l_kcLk2zZWzNSNLCvr0d3YM--HR3__vxgztC7jN4oQyK1yxnfFIWF2SUCSbSkovikowAgKcsK_NrchPCth-BZpMReV5t6uSrjd5G65rEmST2wbJr96d-dtQek856q224JVcGd6G-O9cx-f54X01n6WL5OZ--LdKKZSymKje6phwmUBuqNZYqB6oNRVTcVBwo8ipHhZpWoDgIgYDYs4ZTYfoVG5P54A17GzfBNRYbqazTtqt9sPEoOyod2j_ZziqP_iidX8sD-igpLwTrXU-Dq_IuBF8befB2fwIzkKd3yfO7evJxINtqYytcu4OvQ5Bb1_qmv_YX9zBw2xCd_1f3Ayyed40</recordid><startdate>19260601</startdate><enddate>19260601</enddate><creator>Wm. 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issn	0006-3185 1939-8697
language	eng
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source	Jstor Complete Legacy; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects	Cell growth Cell nucleus Cytoplasm Endoderm Interstitial cells Nutrition Oocytes Ova Ovaries Pseudopodia
title	The Nutrition of the Ovum of Hydra viridis
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