Developmental Mechanism - Time
Embryology - 19 Apr 2024 Expand to Translate |
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Introduction
These notes are intended to introduce the concept of time as a developmental mechanism. See also Timeline human development.
The concept can historically be seen in the staging of different species development and gestation by hours, days, and months.
More recently with molecular development and cellular dynamics we are looking at changes in the range from minutes down.
Factor Links: AMH | hCG | BMP | sonic hedgehog | bHLH | HOX | FGF | FOX | Hippo | LIM | Nanog | NGF | Nodal | Notch | PAX | retinoic acid | SIX | Slit2/Robo1 | SOX | TBX | TGF-beta | VEGF | WNT | Category:Molecular |
Some Recent Findings
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More recent papers |
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This table allows an automated computer search of the external PubMed database using the listed "Search term" text link.
More? References | Discussion Page | Journal Searches | 2019 References | 2020 References Search term: Developmental Mechanisms <pubmed limit=5>Developmental Mechanisms</pubmed> |
Species Timelines
Carnegie | Stage | |||||||||||||||||||||||
Human | Days | 1 | 2-3 | 4-5 | 5-6 | 7-12 | 13-15 | 15-17 | 17-19 | 20 | 22 | 24 | 28 | 30 | 33 | 36 | 40 | 42 | 44 | 48 | 52 | 54 | 55 | 58 |
Mouse | Days | 1 | 2 | 3 | E4.5 | E5.0 | E6.0 | E7.0 | E8.0 | E9.0 | E9.5 | E10 | E10.5 | E11 | E11.5 | E12 | E12.5 | E13 | E13.5 | E14 | E14.5 | E15 | E15.5 | E16 |
Rat | Days | 1 | 3.5 | 4-5 | 5 | 6 | 7.5 | 8.5 | 9 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 15.5 | 16 | 16.5 | 17 | 17.5 |
Note these Carnegie stages are only approximate day timings for average of embryos. Links: Carnegie Stage Comparison | ||||||||||||||||||||||||
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References
- ↑ Waldner C, Roose M & Ryffel GU. (2009). Red fluorescent Xenopus laevis: a new tool for grafting analysis. BMC Dev. Biol. , 9, 37. PMID: 19549299 DOI.
- ↑ Inomata H. (2017). Scaling of pattern formations and morphogen gradients. Dev. Growth Differ. , 59, 41-51. PMID: 28097650 DOI.
- ↑ Signore IA & Concha ML. (2017). Heterochrony and Morphological Variation of Epithalamic Asymmetry. J. Exp. Zool. B Mol. Dev. Evol. , 328, 157-164. PMID: 27659033 DOI.
Journals
Reviews
Search PubMed
Search PubMed: Developmental Mechanisms
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Cite this page: Hill, M.A. (2024, April 19) Embryology Developmental Mechanism - Time. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Developmental_Mechanism_-_Time
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G