VESTIGIAL AORTIC ARCHES. “Ductus caroticus (as persistent third aortic arch). The carotid duct or ductus caroticus remains in some postnatal vertebrates (lungfishes and some amphibians and reptiles) as a remnant of the original embryonic connection between the third and fourth aortic arches.”
https://evolution-outreach.springeropen.com/articles/10.1186/s12052-014-0012-5
linkedin post 2022-06-29 05:12:48
Nigel Fleming
September 21, 2022