
What is the aortic arch derivative of the first pharyngeal arch?
There is no aortic arch derivative of the first pharyngeal arch.

What is the aortic arch derivative of the second pharyngeal arch?
There is no aortic arch derivative of the second pharyngeal arch.

What is the aortic arch derivative of the third pharyngeal arch?
Common carotid artery

What is the aortic arch derivative of the fourth pharyngeal arch?
subclavian artery on the right; aortic arch on the left

What is the aortic arch derivative of the sixth pharyngeal arch?
Portions of the pulmonary arteries

What is/are the skeletal derivative(s) of the first pharyngeal arch?
part of the sphenoid, incus, maxilla, zygoma, squamous temporal, malleus, mandible, sphenomandibular ligament

What is/are the skeletal derivative(s) of the second pharyngeal arch?
Stapes, styloid process, stylohyoid ligament, upper hyoid bone

What is/are the skeletal derivative(s) of the third pharyngeal arch?
rest of the hyoid bone (that which is not formed by arch 2)

What is/are the skeletal derivative(s) of the fourth pharyngeal arch?
laryngeal cartilages

What is/are the skeletal derivative(s) of the sixth pharyngeal arch?
Laryngeal cartilages

What is the muscle derivative of the first pharyngeal arch?
 MMMAT
 muscles of mastication, mylohyoid, anterior belly of digastric, tensor tympani, tensor veli palatini

What is the muscle derivative of the second pharyngeal arch?
 FESSP
 muscles of facial expression, stapedius, stylohyoid, posterior belly of digastric

What is the muscle derivative of the third pharyngeal arch?
stylopharyngeus

What is the muscle derivative of the fourth pharyngeal arch?
phayrngeal constrictors , cricothyroid muscle, levator veli palatini,

What is the muscle derivative of the sixth pharyngeal arch?
all laryngeal muscles except cricothyroid

What is the associated cranial nerve of the first pharyngeal arch?
V^{3} mandibular division of the the trigeminal nerve

What is the associated cranial nerve of the second pharyngeal arch?
VII facial nerve

What is the associated cranial nerve of the third pharyngeal arch?
IX glossopharyngeal nerve

What is the associated cranial nerve of the fourth pharyngeal arch?
X vagus nerve , superior laryngeal branch

What is the associated cranial nerve of the sixth pharyngeal arch?
X vagus nerve, recurrent laryngeal branch (fibers derive from the cranial part of nerve XI)

What are the derivatives of the first pharyngeal arch?
 There is no aortic arch derivative of the first pharyngeal arch
 skeletal: part of the sphenoid, incus, maxilla, zygoma, squamous temporal, malleus, mandible, sphenomandibular ligament
 muscle: muscles of mastication, mylohyoid, anterior belly of digastric, tensor tympani, tensor veli palatini (MMMAT)
 Cranial nerve: V3 mandibular division of the the trigeminal nerve

What are the derivatives of the second pharyngeal arch?
 There is no aortic arch derivative of the first pharyngeal arch
 skeletal: stapes, styloid process, stylohyoid ligament, upper hyoid bone
 muscle: muscles of facial expression, stapedius, stylohyoid, posterior belly of digastric
 Cranial nerve: VII facial nerve


What are the derivatives of the third pharyngeal arch?
 aortic: common carotid artery
 skeletal: rest of hyoid bone
 muscle: stylopharyngeus
 cranial nerve: IX glossopharyngeal

What are the derivatives of the fourth pharyngeal arch?
 aortic: subclavian artery on the right, aortic arch on the left
 skeletal: laryngeal cartilages
 muscle: pharyngeal constrictors, cricothyroid, levator veli palatini
 cranial nerve: X vagus nerve  superior laryngeal branch

What are the derivatives of the sixth pharyngeal arch?
 aortic: portions of the pulmonary arteries
 skeletal: laryngeal cartilages
 muscle: all laryngeal muscles except cricothyroid
 cranial nerve: X Vagus nerve  recurrent laryngeal branch (fibers derived from the cranial part of CN XI)

What is the derivative of the first pharyngeal pouch?
middle ear cavity and the auditory tube

What is the derivative of the second pharyngeal pouch?
tonsillar crypts

What is the derivative of the third pharyngeal pouch?
inferior parathyroids, thymus

What is the derivative of the fourth pharyngeal pouch?
superior parathyroids

What is the derivative of the sixth pharyngeal arch?
C cells of the thyroid gland (originally from neural crest)

What is the derivative of the first pharyngeal cleft?
external acoustic meatus

