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Keywords: Eggshell
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Journal Articles
J Exp Biol (2019) 222 (3): jeb193565.
Published: 11 February 2019
...James R. Stewart; Rebecca A. Pyles; Kaitlyn A. Mathis; Tom W. Ecay ABSTRACT The mineralized eggshell of Reptilia was a major innovation in the evolution of the amniotic egg. Inorganic components strengthen the eggshell and are a potential source of nutrients to developing embryos. Embryos...
Includes: Supplementary data
Journal Articles
J Exp Biol (2018) 221 (23): jeb188466.
Published: 27 November 2018
... egg in an unusual and harsh environment; on exposed cliff ledges, without a nest, and in close proximity to conspecifics. As a consequence, the surface of guillemot eggshells is frequently contaminated with faeces, dirt, water and other detritus, which may impede gas exchange or facilitate microbial...
Includes: Supplementary data
Journal Articles
J Exp Biol (2017) 220 (18): 3238–3247.
Published: 15 September 2017
... or permeabilizing the eggshells, we raised embryos under anoxic conditions and also examined eggshell permeability using the lipophilic dye FM4-64. We found that asphyxiating the embryos arrested embryogenesis in a reversible manner but did not phenocopy the effects of ZTDO exposure, whereas the ZTDO-induced...
Includes: Supplementary data
Journal Articles
J Exp Biol (2005) 208 (7): 1297–1308.
Published: 1 April 2005
...H. Arthur Woods; Roger T. Bonnecaze; Brandy Zrubek SUMMARY Insect eggs must obtain oxygen across the eggshell to support embryonic development. Because eggs are small, obtaining enough oxygen would seem trivial. Recent work, however, has shown that eggs of a moth, Manduca sexta , are oxygen limited...
Includes: Supplementary data
Journal Articles
J Exp Biol (2004) 207 (13): 2267–2276.
Published: 1 June 2004
...H. Arthur Woods; Ryan I. Hill SUMMARY Most terrestrial insect embryos support metabolism with oxygen from the environment by diffusion across the eggshell. Because metabolism is more temperature sensitive than diffusion, embryos should be relatively oxygen-limited at high temperatures. We tested...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (1994) 190 (1): 141–153.
Published: 1 May 1994
... the eggshell during in vitro culture. 05 01 1994 ©The Company of Biologists Limited 1994 The mechanism for mobilizing calcium from the shell has not been elucidated but it is assumed to be similar to the mechanism responsible for resorbing calcium from bone ( Gay et al . 1984 ; Zaidi et...