File:Stage20-23 limbs.jpg
From Embryology
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Human Embryo
Carnegie stage 20 to 23 (week 8) extracts showing upper and lower limb development (Images are not to scale).
Note that during week 8 for both limbs:
- more advanced development of upper limb at all stages (about 2 days).
- growth in overall length.
- rotation of limbs.
- towards the end of this week the more obvious elbow/knee, shoulder/hip.
- development of digits (fingers, toes) from digital rays.
- loss of cells by apoptosis between the digits.
Image version links: Large 1000px | 800px |
Medium 600px | Limb Development
- Dr Mark Hill 2013, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:01, 15 September 2009 | | 1,000 × 376 (26 KB) | S8600021 (Talk | contribs) |
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