Neuroanatomy I Flashcards
From where does the mandibular branch of CN V originate?
Pharyngeal Arch 1
From where do the muscles of mastication originate?
Pharyngeal Arch 1
From where does CN VII originate?
Pharyngeal Arch 2
From where do the muscles of facial expression originate?
Pharyngeal Arch 2
From where do the superior laryngeal nerve and the pharyngeal branches of CN X originate?
Pharyngeal Arch 4
From where does CN IX originate?
Pharyngeal Arch 3
From which pharyngeal arch does the stylopharyngeus muscle originate?
Pharyngeal Arch 3
From where do the right and left common and internal carotid arteries arise?
Pharyngeal Arch 3
From where does the recurrent laryngeal nerve of CN X originate?
Pharyngeal Arch 6
From where does the right subclavian artery and the arch of the aorta originate?
Pharyngeal Arch 4
From where do the muscles of the soft palate originate
Pharyngeal Arch 4
From where do the muscles of the pharynx originate?
Pharyngeal Arch 4
From where do the right and left pulmonary arteries originate?
Pharyngeal Arch 6
From where does the ductus arteriosus (left arch) originate?
Pharyngeal Arch 6
From where do the intrinsic muscles of the larynx (except the cricothyroid muscle) originate?
Pharyngeal Arch 6
What is derived from pharyngeal pouch 1?
Epithelial lining of the auditory tube and middle ear cavity
What is derived from pharyngeal pouch 2?
The epithelial lining of the crypts of the palantine tonsil
What is derived from pharyngeal pouch 3?
The inferior parathyroid gland and the thymus
What is derived from pharyngeal pouch 4?
The superior parathyroid gland and the ultimobranchial body (which form C cells fo the thyroid)
Under what circumstances does a cleft lip occur?
When the maxillary prominence fails to fuse with the medial nasal prominence
Under what circumstances does a cleft palate occur?
When the palatine shelves fail to fuse with each other or the primary palate.
What travels through the Cribiform Plate?
CN I
