Flashcards in Pharyngeal Arches I Deck (24):
Roughly when does the formation of pharyngeal system stop?
abnormal connection between 2 things
When does pharangeal arch formation occur?
about the same time of the closing of the neural tube
The 1st Pharyngeal arch is split into two parts what are they?
Mandibular prominence and Maxillary Prominence
T or F
The arches contain all 3 layers (ecto/meso/endoderms)
What is the space called inbetween the arches on the ectoderm side?
What is the space called in between the arches on the endoderm side?
What is the opening of the mouth called during development?
Aortic Arches arise from?
Aortic Arches connect what?
Truncus arteriosus to the dorsal aorta
P. Arch I derives what muscles?
Muscles of Mastication
P. Arch II derives what muscles?
Muscles of Facial Expression
P. Arch III derives what muscles?
Stylophryngeus... thats it
P arch IV derives what muscles
P. Arch 5-6 Derives what muscles?
CN V comes from which arch?
CN VII comes from which arch?
CN IX comes from which arch?
CN X comes from which arch?
Treacher Collins Syndrome is an issue in which arch?
(Mutation of Treacle gene)
What are the clefts lined with?
Which cleft is the only cleft that is not obliterated in development?
What does Cleft 1 form?
External auditory meatus