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| Autore principale: | |
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| Natura: | Artículo científico |
| Lingua: | en |
| Pubblicazione: |
Universitat de València
2020
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| Accesso online: | https://www.redalyc.org/articulo.oa?id=511767145019 https://www.redalyc.org/journal/5117/511767145019/ https://www.redalyc.org/journal/5117/511767145019/html/ https://www.redalyc.org/journal/5117/511767145019/511767145019.epub https://www.redalyc.org/journal/5117/511767145019/movil https://doi.org/10.7203/metode.10.15032 |
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Sommario:
- Vestiges of our first steps: An evolutionary view of the supracondylar syndrome Borja Figueirido Comunicación atavisms first tetrapods vestigial organs Supracondylar syndrome entepicondylar foramen Understanding the evolution and function of structures in the past is key to understanding current biodiversity. This paper shows how an evolutionary perspective can help us to understand supracondylar syndrome. This pathology is caused by compression of the median nerve and/or the brachial artery in the arm and affects a significant percentage of the human population. We propose that this neuropathy is an atavism (the reappearance of an ancestral characteristic that had been lost along our evolutionary lineage) of the entepicondylar foramen: a channel present at the lower end of the humerus through which the brachial artery and the median nerve pass in some mammals. The origin of the foramen has been identified in the first tetrapods, and we propose that its original function could be linked to the evolutionary innovation of the cervical brachial plexus as well as the subsequent evolution of the entepicondylar foramen in amniotes – a group of terrestrial vertebrates that encompasses current reptiles and amphibians – and that it may be vestigial. 2020 artículo científico 2174-3487 https://www.redalyc.org/articulo.oa?id=511767145019 https://www.redalyc.org/journal/5117/511767145019/ https://www.redalyc.org/journal/5117/511767145019/html/ https://www.redalyc.org/journal/5117/511767145019/511767145019.epub https://www.redalyc.org/journal/5117/511767145019/movil https://doi.org/10.7203/metode.10.15032 en http://www.redalyc.org/revista.oa?id=5117 Mètode Science Studies Journal application/pdf Universitat de València Mètode Science Studies Journal (España) Vol.10