branchial arch

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Related to Branchial arches: Branchial cyst, branchial fistula
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  • noun

Synonyms for branchial arch

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

References in periodicals archive ?
Resulting apoptosis and growth failure of the branchial arches disrupt development of all its derivatives including the thymus.
Syndromes of the first and second branchial arches, part 1: Embryology and characteristic defects.
11 These anomalies may arise from failure of fusion of the first pair of branchial arches or a failure of mesodermal penetration into the midline of mandibular part of the first branchial arch presenting as a complete or incomplete cleft of the lower lip, mandible, and tongue with occasional associated deformities of soft tissue structures in the neck derived from the lower branchial arch.
As a complex heterogeneous alteration, patients showing its wide manifestations have received various diagnoses, such as Goldenhar Syndrome, oculo-auriculo-vertebral spectrum, syndrome of the first and second branchial arches, craniofacial microsomia, and among others.
Gill rakers in Cetorhinus maximus are present on both sides of each of the five branchial arches.
They then characterized changes in the shape and position of the craniofacial structures, such as jaws, branchial arches, eyes, otic capsules and olfactory pits, through "geometric morphometric analysis," which measured positioning of a total of 32 landmarks on the top and bottom sides of the tadpoles.
Vascular rings result from the abnormal or incomplete regression of one of the 6 embryonic branchial arches.
The embryological origin of CMCC has been disputed, but the most widely accepted explanation is failure of fusion of the branchial arches in the midline.
Gill rakers, as well as minute toothed projections termed microbranchiospines, are attached to the branchial arches.
For tailbud stage embryos (~stage 24), staining was observed in the branchial arches, as well as along the dorsal midline in control and vehicle-alone conditions (Figure 8B) and in embryos exposed to nonylphenol (Figure 8D) or methoxychlor (data not shown).
In embryologic development, the first and second branchial arches evolve to form not only the external ear but the bones of conduction in the middle ear, the mandible, and structures of the neck, he explained.
Prevention of retinoic acid-induced early craniofacial abnormalities by folinic acid and expression of endothelin-1/dHAND in the branchial arches in mouse.
The development of the tongue starts at the fourth week of intrauterine life in the floor of the primitive cavity from the first three or four branchial arches.
They arise as a result of an abnormal development of the branchial arches and their corresponding ectoderm-lined branchial clefts.