Germ Layer Differentiation Flashcards

1
Q

at what weeks the tube of G.I.T and respiratory tract separates?

A

at 3rd week

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2
Q
  • lining of g.i.t
  • respiratory tract
  • tonsils
  • thymus gland (for immunity)
  • thyroid gland (for basal metabolism)
  • parathyroid gland (calcium metabolism)
  • bladder and urethra
A

endoderm

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3
Q
  • connective tissues
  • cartilages
  • bones
  • muscles and tendons
  • heart
  • circulatory system
  • respiratory system
  • kidney /// ureter
A

mesoderm

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4
Q
  • nervous system
  • skin
  • hair
  • nails
  • mucuos membrane of mouth and anus
A

ectoderm

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