Development of the tongue (H&N)

Muscles of the tongue are derived from [blank_start]occipital myotomes[blank_end].

What is the nerve supply of the muscles of the tongue?

What arises from the first arch?

The Copula of Hiss is formed of all 2nd, 3rd & 4th branchial arch.

2 lateral lingual swellings and tuberculum impar meet & fuse to form [blank_start]anterior 2/3[blank_end] of tongue.

What is the sensory supply of anterior 2/3 of tongue?

A [blank_start]u shaped sulcus[blank_end] liberate tongue from floor of mouth.

[blank_start]Frenulum lingulae[blank_end] attaches tongue to floor of mouth.

You can see the tuberculum impar of the tongue.

Swelling of the 3rd arch [blank_start]grows over[blank_end] the 2nd arch.

The mucosa of the posterior 3rd of the tongue is supplied by [blank_start]glossopharyngeal nerve[blank_end].

The anterior 2/3 and posterior 1/3 is divided by [blank_start]sulcus terminalis[blank_end].

The extreme posterior part the tongue is derived from the [blank_start]4th arch[blank_end].

The extreme posterior part of tongue is supplied by [blank_start]internal laryngeal nerve of vagus[blank_end].