File:Catshark egg case stage 4.jpg
Catshark_egg_case_stage_4.jpg (715 × 456 pixels, file size: 98 KB, MIME type: image/jpeg)
Catshark S. stellaris egg case at stage 4
A: Six pairs of filament groups, and more apparent blood vessels on surface of spheroid external yolk sac (dorsal view).
B: Developing yolk stalk, eye, and fins (lateral view).
C: The magnified head and gill filaments (ventral view). The key feature for stage 4 was gill filament development.
See S4 File for original photographs of Fig 4 illustrations.
Reference
Musa SM, Czachur MV & Shiels HA. (2018). Oviparous elasmobranch development inside the egg case in 7 key stages. PLoS ONE , 13, e0206984. PMID: 30399186 DOI.
Copyright
© 2018 Musa et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Fig 4 Pone.0206984.g004.jpg https://doi.org/10.1371/journal.pone.0206984.g004
Cite this page: Hill, M.A. (2024, April 23) Embryology Catshark egg case stage 4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Catshark_egg_case_stage_4.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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