File:Human embryo day 5 label.gif
Human_embryo_day_5_label.gif (500 × 506 pixels, file size: 243 KB, MIME type: image/gif, looped, 6 frames, 6.0 s)
Human Conceptus (day 5)
This animated image shows the various features of the day 5 human blastocyst.
- By day 5 the blastocyst has a large blastocoel (fluid-filled space) with a single layer of thin (squamous) cells forming the trophectoderm.
- The inner cell mass can be seen to the left of the blastocoel.
- The blastocyst is still contained inside the zona pellucida.
Image Links: Human oocyte to blastocyst | Germinal vesicle oocyte (GV) | Metaphase I oocyte | Metaphase II oocyte | Day 2 | Day 3 | Day 5 | Day 5 (label) | Day 5 (colour label)
Germinal vesicle oocyte
Metaphase I oocyte
Metaphase II oocyte
Day 2
Day 3 - Morula
Day 5 - Blastocyst
Day 5 (label)
Day 5 (colour label)
Human oocyte to blastocyst
- Links: Oocyte | Morula | Blastocyst | Carnegie stage 1 | Carnegie stage 2 | Carnegie stage 3
Original image: Pone.0007844.g004.jpg http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2773928/figure/pone-0007844-g004/ (Original image has been modified to remove array data, colour and other embryo images, scaled and labels added) See also File:Human-oocyte_to_blastocyst.jpg
Reference
Zhang P, Zucchelli M, Bruce S, Hambiliki F, Stavreus-Evers A, Levkov L, Skottman H, Kerkelä E, Kere J & Hovatta O. (2009). Transcriptome profiling of human pre-implantation development. PLoS ONE , 4, e7844. PMID: 19924284 DOI.
PLoS One. 2009; 4(11): e7844. Published online 2009 November 16. doi: 10.1371/journal.pone.0007844.
Copyright
Zhang 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.
Cite this page: Hill, M.A. (2026, October 4) Embryology Human embryo day 5 label.gif. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Human_embryo_day_5_label.gif
- © Dr Mark Hill 2026, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
File history
Yi efo/eka'e gwa ebo wo le nyangagi wuncin ye kamina wunga tinya nan
| Gwalagizhi | Nyangagi | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:12, 2 August 2011 | | 500 × 506 (243 KB) | S8600021 (talk | contribs) | ==Human Conceptus (day 5)== * By day 5 the blastocyst has a large blastocoel (fluid-filled space) with a single layer of thin (squamous) cells forming the trophectoderm. * The inner cell mass can be seen to the left of the blastocoel. * The blastocyst |
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