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Embryo. of Head and Neck
Gross Anatomy
22
Medical
Professional
03/29/2011

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Cards

Term
neural tube forms what in the central nervous system
Definition
preganglionic ANS
Term
This the post ganglionic ANS
Definition
neural crest
Term
this is the lining of future oral cavity
Definition
stomodeum
Term
The dorsal end of the first two arches form?
Definition
auricle of the external ear
Term
1st pharyngeal cleft
Definition
external auditory canal
Term
This forms the cervical sinus
Definition
2nd, 3rd, and 4th pharyngeal grooves
Term
First pharyngeal arch
Definition
CN V= muscles of mastication
Term
Second pharyngeal arch
Definition
CN VII (facial n.) facial expressions
stapes, styloid, sup. hyoid
Term
Third pharyngeal arch
Definition
CN 9 stylopharyngeus m.
Term
Fourth pharyngeal arch
Definition
vagus laryngeal
Term
6th pharyngeal arch
Definition
vagus "p"haryngeal
Term
Underlying cause of underdeveloped chins
Definition
primary ossification of 1st arch
Term
First pharyngeal pouch
Definition
middle ear
Term
second pharyngeal pouch
Definition
palatine tonsil
Term
upper third pharyngeal pouch
Definition
upper thymus
Term
what is the maxillary and mandibular regions?
Definition
first pharyngeal arch
forms upper and lower jaw regions
Term
This forms the rest of the face
Definition
frontonasal processes--> nasal placodes
Term
the places around the eye
Definition
nasal placode invagination
Term
how does the palate develop?
Definition
fusion of primary palate and secondary.
Both are maxillary
Term
This results in cleft palate
Definition
failure of fusion to form secondary palate
Term
The anterior 2/3 of tongue
Definition
lateral lingual swellings
Term
posterior 1/3 of tongue
Definition
3 and 4 arches
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