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66 Cards in this Set

  • Front
  • Back
branchial clefts formed of?
ectoderm
branchial arches formed of?
mesoderm and neural crest (ea w/ own artery, n, cartilage)
branchial pouches formed of
endoderm
1st branchial pouch derivative
middle ear cavity, eustachian tube, mastoid air cells
what derivative 1st cleft
ext auditory meatus
2nd branchial pouch derivative
tonsil
3rd branchial pouch derivative
dorsal=inferior parathyroid, ventral=thymus
4th branchial pouch derivative
dorsal=superior parathyroid, ventral=calcitonin
generally 1st arch
jaw
generally 1st pouch
ear
generally 2nd arch
face
generally 2nd pouch
tonsil
generally 3 arch
tongue
generally 3 pouch
inferior parathyroid, thymus
generally 4/6 arch
larynx
generally 4/6 pouch
superior parathyroid, calcitonin
bones of arch 1
dorsal=maxillary (maxilla, zyg, temporal), ventral=mandibular (mandible, middle ear)
bones arch 2
stapes, styloiod, upper hyoid
bones arch 3
lower hyoid
bones arch 4
cartilage-thyroid, cricoid, arythroid, corniculate, cunneiform
muscles arch 1
mastication (temporalis, masseter, pterygoid), A digastric, mylohyoid, 2T (tensor tympani and tensor palatini)
nerve arch 1
5 (trigeminal V3)
muscles arch 2
stylohyoid, stapedius, P digastric, auricular, mscl facial expression
nerve arch 2
7
muscles arch 4
cricothyroid, levator palatino, constrictors of pharynx
nerve of arch 4
S laryngeal (10)
muscles of arch 6
intrinsic larynx EXCEPT cricothyroid
nerve of arch 6
recurrent laryngeal
derivatives of arch 5
none
bones of arch 6
none
derivatives of aortic arch 1
part maxillary artery
derivatives of aortic arch 2
stapedial, hyoid artery
derivatives of aortic arch 3
common carotid a and proximal internal carotid
derivatives of aortic arch 4
L=aortic arch, R=prox R subclavian
derivatives of aortic arch 5
none
derivatives of aortic arch 6
pulmonary artery and ductus arteriosus
p pit
neural ectoderm
CNS neurons
neural ectoderm
oligodendro
neural ectoderm
astrocytes
neural ectoderm
pineal gland
neural ectoderm
ANS
neural crest
DRG
neural crest
celiac ganglion
neural crest
schwann
neural crest
pia
neural crest
dura
mesoderm
chromaffin
neural crest
enterochromaffin
neural crest
melanocytes
neural crest
parafollicular
neural crest
odontoblasts
neural crest
laryngeal cartilage
neural crest
adrenal cortex
mesoderm
paraxial mesoderm
axial skel, vol mscls, dermis
IM mesoderm
urinary, genital
lateral mesoderm
mesothelial covering of visceral organs, inner lining body wall, limbs
spleen
mesoderm
thyroid
endoderm
thymus
endoderm
pancreas
endoderm
deriv of notochord
nucleus pulposus
ureteric bud forms
renal pelvis, calices, CD, ureter
metanephric meso becomes
glomerulus and capsule, PCT thru DCT
role mesonephros
fxnl for a short while and then completely regresses exc for Mesonephric Duct (Wolffian)
role pronephros
non-fxnl, completely regresses