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12 Cards in this Set

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The Embryology Pathway

Fertilized Egg-> Morula-> Blastula -> Gastrula->

Blastrula

Ball with hollow cavity.



  • Blastacoel= Hollow cavity.

3- Layered Gastrula

1. Ectoderm
2. Endoderm
3. Mesoderm

Ectoderm

"actracto-derm"


  • Skin
  • Eyes/Pupil
  • Brain/Nervous System
  • Ears
  • Hair

Endoderm

"endo-organs"



  • Lungs
  • Pancreas
  • Liver

Mesoderm

"means-o-derm"



  • Gonads
  • Circulatory
  • Muscle/Bones
  • Kinds/Urine

Blastapore

Deuterostomes = Anus




Protostome= Mouth

Archenteron

A cavity within the blastopore.

Notochord

It becomes intervertebral disk/ spinal disk within the tube area.




Ventral to neural tube.

Neural Tube


  • Spinal Cord
  • Brain
  • Spinal Column

Totipotent Cell

Cells that can develop into any cell in the body.

Induction

Other cells/ environment stimuli influence a particular cell expression. (they are told what to do).