What does branchial arch mean?

Definitions for branchial arch
branchial arch

This dictionary definitions page includes all the possible meanings, example usage and translations of the word branchial arch.

Princeton's WordNet

  1. gill arch, branchial arch, gill barnoun

    one of the bony or cartilaginous arches on each side of the pharynx that support the gills of fishes and aquatic amphibians

Wikipedia

  1. Branchial arch

    Branchial arches, or gill arches, are a series of bony "loops" present in fish, which support the gills. As gills are the primitive condition of vertebrates, all vertebrate embryos develop pharyngeal arches, though the eventual fate of these arches varies between taxa. In jawed fish, the first arch (the mandibular arch) develops into the jaws. The second gill arch (the hyoid arch) develops into the hyomandibular complex, which support the back of the jaw and the front of the gill series. The remaining posterior arches (simply called branchial arches) support the gills. In amphibians and reptiles, many elements are lost including the gill arches, resulting in only the oral jaws and a hyoid apparatus remaining. In mammals and birds, the hyoid is simplified further. All basal vertebrates breathe with gills. The gills are carried right behind the head, bordering the posterior margins of a series of openings from the esophagus to the exterior. Each gill is supported by a cartilaginous or bony gill arch. Bony fish (osteichthyans) have four pairs of arches, cartilaginous fish (chondrichthyans) have five to seven pairs, and primitive jawless fish ("agnathans") have up to seven. The vertebrate ancestor no doubt had more arches, as some of their chordate relatives have more than 50 pairs of gills.In amphibians and some primitive bony fish, the larvae bear external gills, branching off from the gill arches. These are reduced in adulthood, their function taken over by the gills proper in fish and by lungs in most amphibians. Some neotenic amphibians retain the external larval gills in adulthood, the complex internal gill system as seen in fish apparently being irrevocably lost very early in the evolution of tetrapods.

ChatGPT

  1. branchial arch

    A branchial arch, also known as a pharyngeal arch or gill arch, is a series of bony or cartilaginous structures that support the gills of fishes and some amphibians. In mammals, birds, and reptiles, they have evolved to form components of the head and neck, such as parts of the jaws, throat, middle ear, and other structures. These arches develop in the embryonic stage and serve as a fundamental aspect of vertebrate development.

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Numerology

  1. Chaldean Numerology

    The numerical value of branchial arch in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of branchial arch in Pythagorean Numerology is: 8

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"branchial arch." Definitions.net. STANDS4 LLC, 2024. Web. 5 Mar. 2024. <https://www.definitions.net/definition/branchial+arch>.

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