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Kaplan Qbank USMLE



Author6 Posts
  #1

HY FACTS

  #2

Neural crest derivatives------------>

ANS , Dorsal Root Ganglia, Cranial nerves, Schwann cells

Chromaffin Cells of adrensl medulla, Enterochromaffin cells, Parafollicular "c" cells

Melanocytes , Odontoblasts, Celiac GANGLION


Laryngeal cartilage , SKULL bones, Pia/Arachnoid

  #3

Extraocular muscles are derived from-->SOMITOMERES 1,2,3 AND 5

  #4

Branchial arch inervation

arch 1 ------>5th nerve (V2,V3)

arch 2------->7th nerve

arch 3------->9th nerve

arch 4 n 6 ------->10th nerve


sounds similar to vitamin K derived coagulation factors EXCEPT 2 instead of 5

vit k derived factors 2,7,9,10

arch innervation 5,7,9,10 nerves

  #5

most susceptible period for teratogenesis is---->3-8th week of pregnancy
3-8th week of pregnancy=EMBRYONIC PERIOD

  #6

SORRY

3-8TH WEEK OF PREGNANCY==ORGANOGENESIS PERIOD







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