File:Catshark egg case stage 2.jpg
Catshark_egg_case_stage_2.jpg (707 × 411 pixels, file size: 58 KB, MIME type: image/jpeg)
Catshark S. stellaris egg case at stage 2
A: The egg yolk mass and the associated embryo to scale.
B: The magnified embryo with indication of key morphological features (lateral view). The embryo consists an anterior (head and trunk primordia) and posterior (tail bud), where the somites (segmented mesoderm) can be found. The key feature for stage 2 was the visible embryo developed on top of the egg yolk membrane without a long tail.
See S2 File for original photographs of Fig 2 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 2 Pone.0206984.g002.jpg
Cite this page: Hill, M.A. (2024, April 25) Embryology Catshark egg case stage 2.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Catshark_egg_case_stage_2.jpg
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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