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EmbryologyAka: Embryo Organ Development

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  1. Spinal Cord development (Peripheral nervous system)
    1. Differentiation: 3-4 weeks
    2. Completely forms: 20 weeks
  2. Brain development (Central nervous system)
    1. Differentiation: 3 weeks
    2. Completely forms: 28 weeks
    3. Brain Teratogen susceptibility
      1. Highly Sensitive: 3-5 weeks
      2. Less Sensitive: 6-38 weeks
  3. Eye development
    1. Differentiation: 3 weeks
    2. Completely forms: 20-24 weeks
    3. Eye Teratogen susceptibility
      1. Highly Sensitive: 4-8 weeks
      2. Less Sensitive: 8-38 weeks
  4. Olfactory system development
    1. Differentiation: 4-5 weeks
    2. Completely forms: 8 weeks
  5. Auditory system development
    1. Differentiation: 3-4 weeks
    2. Completely forms: 24-28 weeks
    3. Ear Teratogen susceptibility
      1. Highly Sensitive: 4-9 weeks
      2. Less Sensitive: 9-12 weeks
  6. Respiratory Tract Development
    1. Differentiation: 5 weeks
    2. Completely forms: 24-28 weeks
  7. Heart Development
    1. Differentiation: 3 weeks
    2. Completely forms: 6 weeks
    3. Heart Teratogen susceptibility
      1. Highly Sensitive: 3-6 weeks
      2. Less Sensitive: 6-8 weeks
  8. Gastrointestinal tract development
    1. Differentiation: 3 weeks
    2. Completely forms: 24 weeks
  9. Renal development
    1. Differentiation: 4-5 weeks
    2. Completely forms: 12 weeks
  10. Genital development
    1. Differentiation: 5 weeks
    2. Completely forms: 7 weeks
    3. External Genitalia Teratogen susceptibility
      1. Highly Sensitive: 7-9 weeks
      2. Less Sensitive: 10-38 weeks
  11. Face Development
    1. Differentiation: 3-4 weeks
    2. Completely forms: 8 weeks
    3. Lips Teratogen susceptibility
      1. Highly Sensitive: 5-6 weeks
      2. Less Sensitive: 6 weeks
    4. Teeth Teratogen susceptibility
      1. Highly Sensitive: 6-8 weeks
      2. Less Sensitive: 9-20 weeks
    5. Palate Teratogen susceptibility
      1. Highly Sensitive: 6-8 weeks
      2. Less Sensitive: 9 weeks
  12. Limb Development
    1. Differentiation: 4-5 weeks
    2. Completely forms: 8 weeks
    3. Arms Teratogen susceptibility
      1. Highly Sensitive: 4-7 weeks
      2. Less Sensitive: 8 weeks
    4. Legs Teratogen susceptibility
      1. Highly Sensitive: 4-8 weeks
      2. Less Sensitive: 8-9 weeks

embryologic (C0013943)

Definition (MSH)Used with organs, regions, and animal headings for embryologic and fetal development. It is used also with diseases for embryologic factors contributing to postnatal disorders.
ConceptsFunctional Concept (T169)
MSHQ000196
EnglishEM, EMBRYOL, embryologic, embryology
Parent Conceptsanatomy & histology (qualifier) (C0002809), Etiology aspects (C0015127)
SourcesMSH, MTH
Derived from the NIH UMLS (Unified Medical Language System)



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