Timeline Comparisons: Difference between revisions
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==References== | ==References== |
Revision as of 19:06, 18 June 2018
Embryology - 20 Apr 2024 Expand to Translate |
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Introduction
The timeline of human development has a specific page. This page attempts to bring together many different systems and species timelines.
Carnegie Comparison
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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Model Comparison
Postnatal Animal Models | mouse | rat | pig |
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Pregnancy period (days) | 18 – 21 | 21 – 23 | 110 – 118 |
Placenta type | Discoidal, decidual hemoendothelial choroidea |
Discoidal, decidual hemoendothelial choroidea |
Epitheliochorial |
Litter size | 6 – 12 | 6 – 15 | 11 – 16 |
Birth weight (g) | 0.5 – 1.5 | 3 – 5 | 900 – 1600 |
Weaning weight male/female (g) | 18 – 25/16 – 25 | 55 – 90/45 – 80 | 6000 – 8000 |
Suckling period (days) | 21–28 | 21 | 28–49 |
Solid diet beginning (days) | 10 | 12 | 12 – 15 |
Puberty male/female (week) | 4 – 6/5 | 6/6 – 8 | 20 – 28 |
Life expectancy (years) | 1 - 2 | 2 - 3 | 14 – 18 |
Table data - Otis and Brent (1954)[1] Links: timeline |
Animal
The collapsible table below shows a comparison of the prenatal period for a large number of animal species development.
Animal Development Time | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Animal Notes and Table Data Sources
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Animal Development: axolotl | bat | cat | chicken | cow | dog | dolphin | echidna | fly | frog | goat | grasshopper | guinea pig | hamster | horse | kangaroo | koala | lizard | medaka | mouse | opossum | pig | platypus | rabbit | rat | salamander | sea squirt | sea urchin | sheep | worm | zebrafish | life cycles | development timetable | development models | K12 | ||
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Respiratory
Respiratory Stages - Species Comparison - Stages Gestational age (days) | |||||
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Species | Term | Embryonic | Pseudoglandular | Canalicular | Saccular |
human | 280 | < 42 | 52 - 112 | 112 - 168 | 168 |
primate | 168 | < 42 | 57 - 80 | 80 - 140 | 140 |
sheep | 150 | < 40 | 40 - 80 | 80 - 120 | 120 |
rabbit | 32 | < 18 | 21 - 24 | 24 - 27 | 27 |
rat | 22 | < 13 | 16 - 19 | 19 - 20 | 21 |
mouse | 20 | < 9 | 16 | 18 | 19 |
Data modified from[2]
Links: respiratory | Respiratory Comparison | Mouse Human Respiratory | Mouse respiratory stages | mouse | rat | rabbit | Timeline Comparisons |
References
- ↑ Otis EM and Brent R. Equivalent ages in mouse and human embryos. (1954) Anat Rec. 120(1):33-63. PMID 13207763
- ↑ Pinkerton KE & Joad JP. (2000). The mammalian respiratory system and critical windows of exposure for children's health. Environ. Health Perspect. , 108 Suppl 3, 457-62. PMID: 10852845
Cite this page: Hill, M.A. (2024, April 20) Embryology Timeline Comparisons. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Timeline_Comparisons
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G