Template:Neural terms: Difference between revisions
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| [[Neural System Development|Neural Development]] | | [[Neural System Development|Neural Development]] | ||
* '''3DMRI''' - Three-dimensional magnetic resonance imaging. A new technique that allows 3D analysis of embryonic structures. (More? [[Magnetic Resonance Imaging]]) | * '''3DMRI''' - Three-dimensional magnetic resonance imaging. A new technique that allows 3D analysis of embryonic structures. (More? [[Magnetic Resonance Imaging]]) | ||
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* '''central canal''' - lumen, cavity of neural tube within the spinal cord. Space is continuous with ventricular system of the brain. | * '''central canal''' - lumen, cavity of neural tube within the spinal cord. Space is continuous with ventricular system of the brain. | ||
* '''central cerebral sulcus''' - (central fissure, fissure of Rolando, Rolandic fissure) fold in the cerebral cortex associated with the {{Sensorimotor cortex}}. | |||
* '''cerebral aqueduct''' - ventricular cavity within the mesencephalon. | * '''cerebral aqueduct''' - ventricular cavity within the mesencephalon. | ||
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* '''cortex''' - - CNS structure derived from the secondary vesicle telencephalon (endbrain) from the earlier primary vesicle prosencephalon (forebrain). | * '''cortex''' - - CNS structure derived from the secondary vesicle telencephalon (endbrain) from the earlier primary vesicle prosencephalon (forebrain). | ||
* '''cortical plate''' - outer neural tube region which post-mitotic neuroblasts migrate too along radial glia to form adult cortical layers. | * '''cortical plate''' - outer neural tube region which post-mitotic neuroblasts migrate too along radial {{glia}} to form adult cortical layers. | ||
* '''cranial flexure''' - (=midbrain flexure) most cranial brain flexure (of 3) between mesencephalon and prosencephalon. | * '''cranial flexure''' - (=midbrain flexure) most cranial brain flexure (of 3) between mesencephalon and prosencephalon. | ||
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* '''efferent''' - refers to the direction of conduction from the central nervous system toward the periphery. Afferent is in the opposite direction. | * '''efferent''' - refers to the direction of conduction from the central nervous system toward the periphery. Afferent is in the opposite direction. | ||
* '''ependyma''' - epithelia of remnant cells after neurons and glia have been generated and left the ventricular zone. | * '''ependyma''' - epithelia of remnant cells after neurons and {{glia}} have been generated and left the ventricular zone. | ||
* '''floorplate''' - early forming thin region of neural tube closest to the notochord. | * '''floorplate''' - early forming thin region of neural tube closest to the notochord. | ||
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* '''ganglia''' - (pl. of ganglion) specialized neural cluster within either the CNS or PNS. | * '''ganglia''' - (pl. of ganglion) specialized neural cluster within either the CNS or PNS. | ||
* '''glia''' - supporting, non-neuronal cells of the nervous system. Generated from neuroepithelial stem cells in ventricular zone of neural tube. Form astrocytes, oligodendrocytes. | * '''{{glia}}''' - supporting, non-neuronal cells of the nervous system. Generated from the same neuroepithelial stem cells that form neurons in ventricular zone of neural tube. Form astrocytes, oligodendrocytes. | ||
* '''grey matter''' - neural regions containing cell bodies (somas) of neurons. In the brain it is the outer layer, in the spinal cord it is inner layer. (see white matter white matter). | * '''grey matter''' - neural regions containing cell bodies (somas) of neurons. In the brain it is the outer layer, in the spinal cord it is inner layer. (see white matter white matter). | ||
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* '''optic vesicle''' - diencephalon region of neural tube outgrowth that forms the primordia of the {{retina}} associated with {{vision}}. | * '''optic vesicle''' - diencephalon region of neural tube outgrowth that forms the primordia of the {{retina}} associated with {{vision}}. | ||
* '''opercularization''' - during fetal development of the {{Sensorimotor cortex}}, the insula (located deep within the lateral sulcus) begins to invaginate from the surface of the immature cerebrum, until at term, the opercula completely cover the insula. | |||
* '''otocyst''' - (otic vesicle) sensory {{placode}} that sinks into mesoderm to form spherical vesicle (stage 13/14 embryo) that will form components of the inner ear associated with {{hearing}}. | * '''otocyst''' - (otic vesicle) sensory {{placode}} that sinks into mesoderm to form spherical vesicle (stage 13/14 embryo) that will form components of the inner ear associated with {{hearing}}. | ||
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* '''pontine flexure''' - middle brain flexure (of 3) between cervical and cranial flexure in opposite direction, also generates thin roof of rhombencephalon and divides it into myelencephalon and metencephalon. ( sc-^'''V'''^ ) | * '''pontine flexure''' - middle brain flexure (of 3) between cervical and cranial flexure in opposite direction, also generates thin roof of rhombencephalon and divides it into myelencephalon and metencephalon. ( sc-^'''V'''^ ) | ||
* '''posterior insula''' - during {{Sensorimotor cortex}} development this region is composed of the anterior and posterior long insular gyri and the postcentral insular sulcus, which separates them. | |||
* '''prosencephalon''' - (forebrain), the most cranial portion of the 3 primary vesicle brain ([[week 4]]). (sc-R-M-'''P''') | * '''prosencephalon''' - (forebrain), the most cranial portion of the 3 primary vesicle brain ([[week 4]]). (sc-R-M-'''P''') | ||
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* '''thalamus''' - (G. ''thalamos''= bedchamber) cns nucleus, lateral to 3rd ventricle, paired (pl thalami). | * '''thalamus''' - (G. ''thalamos''= bedchamber) cns nucleus, lateral to 3rd ventricle, paired (pl thalami). | ||
* '''{{thyroid}} hormone''' - hormone required for brain development. T3 (3,5,3′-triiodothyronine) binding to nuclear receptors then act as a transcription factor in both neurons and | * '''{{thyroid}} hormone''' - hormone required for brain development. T3 (3,5,3′-triiodothyronine) binding to nuclear receptors then act as a transcription factor in both neurons and {{glia}}l cells. {{iodine deficiency}} | ||
* '''transcription factor''' - a factor (protein or protein with steroid) that binds to DNA to alter gene expression, usually to activate. (eg steroid hormone+receptor, Retinoic acid+Receptor, Hox, Pax, Lim, Nkx-2.2) | * '''transcription factor''' - a factor (protein or protein with steroid) that binds to DNA to alter gene expression, usually to activate. (eg steroid hormone+receptor, Retinoic acid+Receptor, Hox, Pax, Lim, Nkx-2.2) |
Latest revision as of 10:19, 14 May 2020
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