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23 Cards in this Set
- Front
- Back
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Adult derivs of Telencephalon
-Walls -Cavities |
Walls: cerebral hemispheres
Cavity: lateral ventricles |
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Adult derivs of Diencephalon
-Walls -Cavities |
Walls: thalami
Cavity: 3rd ventricle |
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Adult derivs of Mesencephalon
-Walls -Cavities |
Walls: Midbrain
Cavity: Aqueduct |
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Adult derivs of Metencephalon
-Walls -Cavities |
Walls: Pons and Cerebellum
Cavity: Upper 4th ventricle |
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Adult derivs of Meyelencephaon
-Walls -Cavities |
Walls: Medulla
Cavity: Lower 4th ventricle |
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How high up do Basal/Alar plates extend?
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Brain stem
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Brainstem Basal plates become:
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Cranial Nerve motor nuclei
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Brainstem Alar plates become:
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Cranial Nerve Sensory nuclei
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What forms in the Marginal layer of the brainstem lumen
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Nerve tracts - connect one brain region to another
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Location of brain nuclei in
-Brainstem -Forebrain |
Brainstem: in marginal layer (migrate from alar plate)
Forebrain: in lumen in what was the intermediate layer. |
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Where do nerve tracts in the Forebrain form?
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In the Marginal layer.
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Cerebellum grows from what part of the brainstem?
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Metencephalon
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Cerebrum grows from what part of the brainstem?
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Telencephelon
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Corpus striatum forms from what layer of neuroepithelium?
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Intermediate
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Spinal cord levels of sympath. preganglionic autonomic neurons:
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T1-L2
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Spinal cord levels of parasymp. preganglionic autonomic neurons:
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Cervical region
S2-S4 |
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4 types of Optic primordia:
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-Neural ectoderm
-Surface ectoderm -Mesoderm -Neural crest mesenchyme |
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Optic neural ectoderm derivatives
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Optic Cup
-Inner layer -Outer layer |
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Optic Cup Inner layer derivatives:
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Sensory Retina (layers 2-9)
Ciliary body (nonpigmented) Iris (nonpigmented) |
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Optic Cup Outer layer derivatives:
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Pigmented Retina (layer 1)
Ciliary Body (pigmented) Iris (pigmented) |
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Surface Ectoderm derivatives:
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Lens
Cornea (anterior epithelium) Conjunctiva epithelium Lacrimal gland |
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Mesoderm derivatives:
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Extrinsic ocular muscles
Vascular endothelium Vitreous body Fluid draining spaces/vessels Orbital soft tissues Iris stroma |
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Neural Crest mesenchyme derivatives:
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-Pupillae muscles (sphnct/dil)
-Ciliary muscle -Sclera -Choroid -Pigment cells? -Cornea (stromal cells/post epithelium |
