Mandibular arch

(redirected from First pharyngeal arch)
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Related to First pharyngeal arch: second pharyngeal arch, First branchial arch
(Anat.) the most anterior visceral arch, - that in which the mandible is developed.

See also: Mandibular

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References in periodicals archive ?
All of these are derivatives of the first pharyngeal arch.
Vascular disruption of Stapedial artery, which supplies the first pharyngeal arch, may be responsible for this defect.
The development of the anterior belly of the digastric muscle begins in the fourth week of pregnancy, from the first pharyngeal arch, while the poster belly originates from the second pharyngeal arch (Moore & Persaud, 2004).