| Week 2 Lab 2 & 3 - Early Development and Organization of the Body |
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| 1: |
Somites |
12: |
Epidermal Ectoderm |
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| 2: |
Segmentation |
13: |
Neural Crest |
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| 3: |
Neural Groove |
14: |
Neural Ectoderm |
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| 4: |
Neural Folds |
15: |
Neural Plate |
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| 5: |
Dorsal Hollow Nerve Tube (Neural Tube) |
16: |
Vitelline Artery and Vein |
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| 6: |
Notochord (chordamesoderm) |
17: |
Paraxial Mesoderm |
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| 7: |
Gut Tube |
18: |
Dermatome |
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| 8: |
Dorsal Aorta |
19: |
Myotome |
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| 9: |
Coelomic Space |
20: |
Sklerotome |
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| 10: |
Lateral Mesoderm |
21: |
Otic Vessicle |
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| 11: |
Intermediate Mesoderm |
22: |
Optic Cup |
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| 23: |
Segmental vs.
transsegmental structures |
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| Identify the following on the slides and pictures | |||||||||
| 24 hour whole mount | |||||||||
| 1: Somites | 3: Neural grove | ||||||||
| 2: Neural folds | |||||||||
| 33 hour whole mount | |||||||||
| 1: Head | 4: Somites | ||||||||
| 2: Optic vessicle | 5: Dorsal Hollow Nerve Tube | ||||||||
| 3: Heart | 6: Vitelline vein | ||||||||
| 33 hour serial sections | |||||||||
| 1: Dorsal hollow nerve tube | 6: Somite | ||||||||
| 2: Epidermal ectoderm | 7: Coelomic space | ||||||||
| 3: Notochord | 8: Lateral mesoderm | ||||||||
| 4: Gut tube | 9: Intermediate Mesoderm | ||||||||
| 5: Heart | 10: Endoderm | ||||||||
| 48 hour whole mount | |||||||||
| 1: Somites | 4: Otic vessicle | ||||||||
| 2: Brain | 5: Optic cup | ||||||||
| 3: Heart | 6: Vitelline artery & vein | ||||||||
| 48 hour serial sections | |||||||||
| 1: Somites | 4: Gut tube | ||||||||
| 2: Aorta | 5: Dorsal hollow nerve tube | ||||||||
| 3: Coelomic Space | 6: Segmental arteries | ||||||||
| 72 hour serial sections | |||||||||
| 1: Somite | 3: Myotome | ||||||||
| 2: Dermatome | 4: Sklerotome | ||||||||