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A contribution to the study of yolk absorption in the cephalopoda (1975)

Boletzky, S. v.

Springer

Zoomorphology 80 (1975), S. 229-246

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ISSN: 1432-234X

Source: Springer Online Journal Archives 1860-2000

Topics: Biology

Notes: Summary The literature dealing with the embryonic development of cephalopods includes contradictory statements on yolk absorption at late embryonic stages. In the present study, ultrastructural evidence is presented that the nutrients prepared by the syncytial “yolk epithelium” in decapod cephalopods cannot pass directly into the midgut gland as earlier authors had assumed. From organogenetic stages onward, nutrients are apparently distributed by the circulatory system alone. This has already been established histologically for octopods, by a different author. Observations in the present study emphasize that the basic mechanism of yolk absorption does not differ between decapods and octopods.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00285654

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Octopod 'ballooning' response (1992)

BOLETZKY, S. V. ; RIO, M. ; ROUX, M.

[s.l.] : Nature Publishing Group

Nature 356 (1992), S. 199-199

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ISSN: 1476-4687

Source: Nature Archives 1869 - 2009

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Notes: [Auszug] SIR - Very little is known about the deep-sea octopuses of the order Cirroctopoda1. Observations of live animals were rare until recently because aquarium studies were possible only in the case of the flapjack devilfish Opisthoteuthis2. Deep-sea cameras subsequently allowed cirrate octopods to be ...