Development of Head/Neck III Flashcards
The outside of the pharyngeal arch is covered with _____.
Ectoderm
The inside of the pharyngeal arch is covered with _____.
Endoderm
FGF-8 induces pharyngeal arch formation and is induced by _____.
Tbx-1
What muscles arise from pharyngeal arch III?
Stylopharyngeus
What skeletal structures arise from pharyngeal arch III?
Greater part of hyoid, part of body of hyoid
The mandibular arch is associated with the _____ nerve.
Trigeminal
V3 mostly innervates _____, while the rest is sensory.
Muscles of mastication
Meckel’s cartilage arises from pharyngeal arch _____.
1
The hyoid arch is associated with the _____ nerve.
Facial
Reichert’s cartilage & muscles of facial expression arise from pharyngeal arch _____.
2
Reichert’s cartilage & muscles of facial expression arise from pharyngeal arch _____.
2
The 3rd & 4th pharyngeal arches are associated with the _____ & _____ nerves.
Glossopharyngeal & vagus
The tympanic cavity of the middle ear & the auditory tube are derivatives of the _____ pharyngeal pouch.
First
The fossa for palatine tonsils are derivatives of the _____ pharyngeal pouch.
Second
The inferior parathyroids & thymus are derivatives of the _____ pharyngeal pouch.
Third