II. Physiology: Spinal Cord development (Peripheral Nervous System)
- Differentiation: 3-4 weeks
- Completely forms: 20 weeks
III. Physiology: Brain development (Central Nervous System)
- Differentiation: 3 weeks
- Completely forms: 28 weeks
- Brain Teratogen susceptibility
- Highly Sensitive: 3-5 weeks
- Less Sensitive: 6-38 weeks
IV. Physiology: Eye development
- Differentiation: 3 weeks
- Completely forms: 20-24 weeks
- Eye Teratogen susceptibility
- Highly Sensitive: 4-8 weeks
- Less Sensitive: 8-38 weeks
V. Physiology: Olfactory system development
- Differentiation: 4-5 weeks
- Completely forms: 8 weeks
VI. Physiology: Auditory system development
- Differentiation: 3-4 weeks
- Completely forms: 24-28 weeks
- Ear Teratogen susceptibility
- Highly Sensitive: 4-9 weeks
- Less Sensitive: 9-12 weeks
VII. Physiology: Respiratory Tract Development
- Differentiation: 5 weeks
- Completely forms: 24-28 weeks
VIII. Physiology: Heart Development
- Differentiation: 3 weeks
- Completely forms: 6 weeks
- Heart Teratogen susceptibility
- Highly Sensitive: 3-6 weeks
- Less Sensitive: 6-8 weeks
IX. Physiology: Gastrointestinal Tract development
- Differentiation: 3 weeks
- Completely forms: 24 weeks
X. Physiology: Renal development
- Differentiation: 4-5 weeks
- Completely forms: 12 weeks
XI. Physiology: Genital development
- Differentiation: 5 weeks
- Completely forms: 7 weeks
- External Genitalia Teratogen susceptibility
- Highly Sensitive: 7-9 weeks
- Less Sensitive: 10-38 weeks
XII. Physiology: Face Development
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Related Studies
| 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. |
| Concepts | Functional Concept (T169) |
| MSH | Q000196 |
| English | EMBRYOL, EM, embryologic, embryology |
