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Definition: Gill arch is a bony or cartilaginous support to which gill filaments and gill rakers are attached. Bony fish usually have four gill arches...
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freshaquarium.about.com/od/termsandtables/g/gillarch.ht...
freshaquarium.about.com/od/termsandtables/g/gillarch.htm
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Pharyngeal arch - Wikipedia, the free encyclopedia
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In the development of vertebrate animals, the pharyngeal arches (also called branchial arches or gill arches in fish) are anlage for a multitude of structures. In humans, they develop during the...
en.wikipedia.org/wiki/Pharyngeal_arch
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Gill - Wikipedia, the free encyclopedia
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A gill is an anatomical structure found in many aquatic organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide. The microscopi...
en.wikipedia.org/wiki/Gill
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Bones: The Gill Arches ... The Gill Arches: Meckel's Cartilage ... Not only are internal gill arches not found, but one might well ask why the osteostracan gill would require any terminal support at all, inside or out, given that all of the gills were embedded in one enormous, solid block of head shield cartilage for their...
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www.palaeos.com/Vertebrates/Bones/Gill_Arches/Meckelian...
www.palaeos.com/Vertebrates/Bones/Gill_Arches/Meckelian.html
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Bones: The Gill Arches ... We will begin and, until later revision, also end with a brief discussion of gill arches. ... The phylogeny of the gill arches is of intense interest because of their possible involvement in the development of both the jaws and the paired appendages. For the past few years, the near-consensus has...
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www.palaeos.com/Vertebrates/Bones/Gill_Arches/Gill_Arch...
www.palaeos.com/Vertebrates/Bones/Gill_Arches/Gill_Arches.html
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We might take the foot for granted. Compared with other body parts, it looks simple enough, but it is the appendage that carries all of our weight -- and should be treated as such. There are two types of arches on our foot, the longitudin...
http://www.ehow.com/about_5050334_types-arch-supports.h...
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Still he did become a physician - even the greatest og his family, ... Meckel's father was summoned to St. Petersburg in 1797 in order to deliver the Czarina's child and Meckel, who was then aged 16 years, had the privilege of accompanying him on this journey. In the following year he commenced ... From 1826 until his death,
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www.whonamedit.com/doctor.cfm/1840.html
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AKA: visceral arches ; columns of mesenchyme found in the neck of the developing vertebrate embryo derived from cranial neural crest. In lower vertebrates, blood vessels formed here become part of the gills; in higher vertebrates derivatives include portions Also known as branchial arches, gill arches, or visceral arches...
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www.biochem.northwestern.edu/holmgren/Glossary/Definiti...
www.biochem.northwestern.edu/holmgren/Glossary/Definitions/Def-P/pharyngeal_arches.html
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3) Visceral skeleton (Splanchnocranium) - the skeleton of the jaw and gill arches. The pharynx sits between the mouth and esophagus. It is involved in feeding and in lower vertebrates in respiration. Evolutionary and embryonically the pharynx has gill bars and gill slits.
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academic.emporia.edu/sievertl/verstruc/vsdweb2b.htm
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