Term
The notochord initiates the overlying ectoderm to form what? |
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Definition
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Term
What does the neuroectoderm make |
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Definition
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Term
Lateral edges of the neural plate elevate to form what? |
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Definition
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Term
What occurs which forms the neural tube |
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Definition
Fusion of neural folds at the midline |
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Term
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Definition
Starts in the cervical region and continues cranially/caudally |
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Term
When is neurulation complete? |
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Definition
When the anterior/posterior neuropores fuse |
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Term
What does failed anterior neuropore fusion cause |
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Definition
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Term
What happens in ancephaly |
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Definition
The forebrain does not form and usualy still birth or die after a few hours |
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Term
What does failed posterior neuropore fusion cause |
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Definition
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Term
What happens in rachischisis? |
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Definition
Spinal chord does not form properly causing paralysis |
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Term
What reduces the chance of neural tube defects by 50-70% |
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Definition
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Term
What do neural crest cells develop from? |
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Definition
Cells separating from the neural tube when the neural folds elevate and fuse |
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Term
What happens to the embryo in week 4 |
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Definition
The embryo folds in two directions |
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Term
What is formed during Cranocaudial flding |
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Definition
Connecting stalk (future umbilical cord) Foetal bladder |
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Term
What is formed by lateral folding |
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Definition
Neural tube Amnitotic cavity Body cavity Gut |
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Term
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Definition
When lateral folds fail to fuse in the thoracic region leaving the heart outside of the body |
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Term
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Definition
Lateral folds fail to fuse in the abdominal region leaving the intestines outside the body |
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