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gill arch División en sílabas: gill arch

Definición de gill arch en inglés:


1Any of a series of bony or cartilaginous curved bars along the pharynx, supporting the gills of fish and amphibians.
Oraciones de ejemplo
  • Originally, it may have been the main upper element of a gill arch.
  • Inside the fleshy gill arches, used for breathing, lies a system of bony gill arches, which form a finely divided sieve.
  • It is not extant, but it had gill arches, fins, and several other characters indicative of an aquatic lifestyle.
1.1Any of the corresponding rudimentary structures in the embryos of higher vertebrates.
Oraciones de ejemplo
  • They differ from the earlier vertebrates in that some of the gill arches undergo modification in early development to become the jaw and its supporting structures.
  • This embryonic origin of the gill arches has been thought to be a good argument for their involvement with the jaw, but against their relationship with the limbs.
  • Primitively, then, there was a one-to-one correspondence between aortic arches and gill arches.
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