First branchial arch: Overview

"The First arch IMPACTS!"
Most of the aspects associated with the first arch begin with the letter 'M' and the rest with I, P, A, C, T or S!
1. Name

• It is also known as the Mandibular arch.

2. Muscles

Branchial arches are mesodermal thickenings in the wall of the cranial most part of the foregut.

First arch (mandibular arch) is the only arch in human embryo having double innervation; chorda tympani (branch of facial nerve) is the pretrematic nerve and mandibular nerve is the post trematic nerve.