File:Stage19- limb rotation.jpg
From Embryology
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Human Embryo Limb Rotation
Arrows have been superimposed upon this Carnegie stage 19 embryo to show the direction in which the upper and lower limbs rotate during development.
| Limb | Upper | Lower |
|---|---|---|
| Rotates | dorsally (laterally) | ventrally (medially) |
| Rostral | thumb | toe |
| Outward | elbow faces outward | knee faces outward |
| Extensor muscles | lateral and posterior of limb | anterior aspect of limb |
| Links: image | limb | dermatomes | spinal nerve table | ||
This distinctive embryonic rotation also establishes the future sensory pattern of dermatomes, segmentally patterned before this rotation.
Cite this page: Hill, M.A. (2024, April 19) Embryology Stage19- limb rotation.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage19-_limb_rotation.jpg
- © Dr Mark Hill 2024, 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 | 15:35, 16 May 2010 | | 600 × 800 (27 KB) | S8600021 (talk | contribs) | Human Embryo (Carnegie stage 19) limb rotation Modified from: Stage19_bf1a.jpg Stage19_bf1a-1-limb-rotation.jpg Category:Carnegie Stage 19 |
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