Pharyngeal arches Flashcards
Which nerve(s) arises from pharyngeal arch 1?
Trigeminal (v) V2 and V3
Which nerve(s) arises from pharyngeal arch 2?
Facial VII
Which nerve(s) arises from pharyngeal arch 3?
Glossopharyngeal (IX)
Which nerve(s) arises from pharyngeal arch 4?
Vagus (V)
Superior laryngeal
Which nerve(s) arises from pharyngeal arch 6?
Vagus (V)
Recurrent laryngeal
Which pharyngeal arch does the vagus nerve arise from?
Arches 4 and 6
Which pharyngeal arch does the trigeminal nerve arise from?
Arch 1 (branches 2 and 3)
Which pharyngeal arch does the glossopharyngeal nerve arise from?
Arch 3
Which pharyngeal arch does the facial nerve arise from?
Arch 2
Which pharyngeal arch does the recurrent laryngeal nerve arise from?
Arch 6
Which pharyngeal arch does the superior laryngeal nerve arise from?
Arch 4
Which pharyngeal arch does cranial nerve 7 arise from?
Facial arises from arch 2
Which pharyngeal arch does cranial nerve 9 arise from?
Glossopharyngeal arises from arch 3
Which pharyngeal arch does the common carotid artery arise from?
Arch 3
Which pharyngeal arch does the internal carotid artery arise from?
Arch 3
Which pharyngeal arch does the external carotid artery arise from?
Arch 1
Which pharyngeal arch does the maxillary artery arise from?
Arch 1
Which arteries arise from pharyngeal arch 1?
Maxillary and external carotid
Which arteries arise from pharyngeal arch 2?
Stapedial and hyoid
Which pharyngeal arch does the hyoid artery arise from?
Arch 2
Which pharyngeal arch does the subclavian artery arise from?
Arch 4 (right)
Which pharyngeal arch does the aortic arch arise from?
Arch 4 (left)
Which pharyngeal arch does the pulmonary artery arise from?
Arch 6
Which artery does pharyngeal arch 6 give rise to?
Pulmonary artery
Which artery does pharyngeal arch 4 give rise to?
Right - subclavian
Left- aortic arch
Which artery does pharyngeal arch 3 give rise to?
Internal and external carotids
Which artery does pharyngeal arch 2 give rise to?
Stapedial and hyoid
Which muscles arise from pharyngeal arch 2?
Muscles of facial expression, posterior belly of digastric
Which bones does pharyngeal arch 2 give rise to?
Hyoid (lesser horn), stapes, stapedius, stylohyoid
Which bones does the pharyngeal arch 1 give rise to?
Incus, malleus, mandible, maxilla
Which muscles arise from pharyngeal arch 1?
Anterior belly of the digastric
Muscles of mastication
Which pharyngeal arch does the thymus arise from?
Arch 3
Which pharyngeal arch does the stylopharyngeus muscle arise from?
Arch 3
Which muscles arise from pharyngeal arch 3?
Stylopharyngeus
Which bones arise from pharyngeal arch 3?
The greater horn of the hyoid bone
Where dies the cricothyroid muscle arise from?
Pharyngeal arch 4
Which cartilage arises from pharyngeal arch 4?
Thyroid and epiglottic
Which muscles arise from pharyngeal arch 6?
All laryngeal muscles except the cricothyroid
Which muscles arise from the pharyngeal arch 4?
Cricothyroid and soft palate
When does the thyroid gland start to form?
Approximately 24 days after conception
What structure are the C cells of the thyroid gland derived from?
4th/5th Pharyngeal pouch
Which structure does the Eustachian tube develop from?
1st pharyngeal pouch