Head & Neck Embryology Flashcards
1
Q
How are the Pharyngeal arches formed?
A
They begin to form in the embryo from week 4-6
2
Q
From which part of the gut tube do the pharyngeal arches develop?
A
Foregut
3
Q
What structures develop from the pharyngeal arches?
A
Face and neck
4
Q
What embryological tissues make up the pharyngeal arches?
A
Ectoderm
Mesoderm
Endoderm
5
Q
What is the innervation of each of the pharyngeal arches?
A
1st arch - Mandibular branch of Trigeminal
2nd arch - Facial Nerve
3rd arch - Glossopharyngeal
4th arch - Vagus nerve
6th arch - Vagus nerve