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24 Cards in this Set
- Front
- Back
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Persistent Cervical Sinus
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branchial cleft cyst remnant in lateral neck
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Neural Crest Cells Origin
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ANS, dorsal root ganglia, cranial nerves celiac ganglion
melanocytes chromaffin cells of adrenal medulla parafollicular cells of thyroid Schwann cells, pia, arachnoid, skull, teeth aorticopulmonary septum |
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Alkylating Agents
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absence of digits
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Thalidomide Terato
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flipper limbs
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Valproate terato
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inhibition of intestinal folate absorption
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Maternal diabetes terato
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caudal regression syndrome
(anal atresia ==> sirenomelia) |
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Potter's Syndrome
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bilateral renal agenisis
oligohydramnios flat facies malf. of ureteric bud |
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Tongue Innervation
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Motor XII for all
anterior 2/3 - taste CNVII, sens. V3 posterior 1/3 - taste IX, sens IX way back - taste/sens X |
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2nd branchial arch
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Muscles of facial expressions
Stapedius Stylohyoid CNVII |
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6th aortic arch
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pulmonary arteries
ductus arteriosis (on L only) |
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4th aortic arch
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LEFT - aortic arch
RIGHT - prox. part of right subclavian |
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3rd aortic arch
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common carotid artery
prox part of internal carotid artery |
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2nd aortic arch
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stapedial = hyoid artery
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1st aortic arch
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maxillary artery (1st part)
branch of external carotid |
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1st branchial cleft
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external auditory meatus
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2nd - 4th branchial clefts
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temporary cervical sinuses
is later obliterated & replaced w/2nd branchial arch mesenchyme |
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1st Branchial arch
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Muscles of mastication
CNV2 & V3 Meckel's cartilage, mandible, malleus, mylohyoid *Treacher-Collins |
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3rd Branchial arch
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greater horn of hyoid
stylopharyngeus m CNTX *pharyngeocutaneous fistual - cleft in lateral neck |
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4th Branchial Arch
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CNX (sup laryn) swallow
pharynogeal constrictors cricothyroid muscle levator velli palitini |
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6th Branchial Arch
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CNX (recurrent laryn)
intrinsic muscle of larynx EXCEPT cricothyroid |
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1st Branchial Pouch Derivatives
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endoderin - lined structures of the ears
middle ear eutachian tubes mastoid air cells |
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2nd branchial pouch
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epithelial lining of palantine tonsils
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3rd branchial pouch
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inferior parathyroids
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4th branchial pouch
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superior parathyroid
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