| 31. | It is distinct from the mesoderm underneath the neural tube which is called the chordamesoderm that becomes the notochord.
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| 32. | Through the process of neurulation, the notochord induces the formation of the neural tube in the embryonic disc.
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| 33. | The notochord secretes BMP antagonists ( Chordin and Noggin ) to prevent formation of cardiac mesoderm in inappropriate places.
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| 34. | The paraxial mesoderm is arranged along the sides of the notochord and neural tube as repetitive structures called somites.
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| 35. | The notochord expresses SHH . The floor plate responds to SHH by producing its own SHH and forming a gradient.
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| 36. | Amphioxus forms an epithelial neural tube and dorsal notochord but does not have the EMT potential of the primitive streak.
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| 37. | Noggin was also shown to be indirectly involved in the malformations through its interaction with the notochord and neural axis.
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| 38. | During the third week of gestation the notochord sends signals to the overlying ectoderm, inducing it to become neuroectoderm.
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| 39. | Flexion ( the bending of the notochord as part of caudal fin formation ) occurs at around a length of.
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| 40. | The secretion of SHH by the notochord establishes the ventral pole of the dorsal-ventral axis in the developing embryo.
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