Lysosomes and yolk formation in the oocytes of Asterina gibbosa (Echinodermata,Asteroidea) |
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| Authors: | J G Ferrand |
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| Institution: | Laboratoire de Biologie Cellulaire et Animale , U.E.R. Sciences, Université d'Orléans , 45046 , Orléans Cedex , France |
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| Abstract: | Summary Primary lysosomes appear in the oocytes of A. gibbosa at the end of previtellogenesis. The lysosomes fuse with the cisternae of the endoplasmic reticulum and give rise to yolk globules containing acid phosphatase. The yolk globules then grow by fusion. |
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| Keywords: | Asteroidea lysosomes acid phosphatase oocytes vitellogenesis |
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