Unique Envelope of a Jellyfish Ovum: The Armed Egg

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Science  07 Feb 1969:
Vol. 163, Issue 3867, pp. 586-587
DOI: 10.1126/science.163.3867.586


The eggs of Bougainvillia multitentaculata are spawned with an envelope consisting of a single layer of cnidocvtes. The cnidocytes are surficial On eggs, cleavage stages, and young blastulae. During gastrulation, the cnidocytes are Incorporated intO the ectoderm and become an integral part of the planula.

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