Gastrulation, neurulation and the human central nervous system
7 important questions on Gastrulation, neurulation and the human central nervous system
From which membranes are the mouth and anus region developed?
What is the first step in creating the three primary germ layers?
What causes induction of ectoderm to become neuroectoderm?
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What are the four major stages of (human) neurulation?
- Transformation of the general ectoderm into a thickened neural plate, induced by the underlying notochord.
- shaping the plate so that is becomes longer and narrower; the cranial end is thicker because the brain will be formed here.
- lateral folding of the neural plate
- fusion of the two most apical surfaces of the neural folds.
In which region are dopaminergic regions growing?
To what structures gives the metencephalon rise?
- Rhombic lip --> develops into cerebellum
- Alar plate --> develops into 4 sensory tracts
- pontine nuclei - cerebellar input
- somatic afferent - general sensation
- special visceral afferent - taste
- general visceral afferent
- Basal plate --> develops into 3 motor tracts
- general visceral efferent - salivary glands
- special visceral efferent - muscles of the face
- somatic efferent - muscle of the eye
For what is the myelencephalon responsive?
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