| Name: | periventricular grey zone |
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| Synonyms: | periventricular gray zone, periventricular grey zones, periventricular layer, PGZ, strata periventriculare, stratum griseum periventricular, stratum periventriculare, SVP |
| Definition: | Tissue located on the ventral side of the optic tectum, that contains the cell bodies of most tectal neurons. It is adjacent to the tectal ventricle and opposite the eminentia granularis of the cerebellum. It also contains a neurogenic niche and has hypothalamic inputs. The dendrites of neurons from the periventricular grey zones project their apical dendrites to the stratum opticum and stratum fibrosum et griseum superficale and synapse with retinal axons that project to these layers. |
| Ontology: | Anatomy Ontology [ZFA:0000516] |
| Name: | calcium ion transport |
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| Synonyms: | calcium transport, mitochondrial sodium/calcium ion exchange, sodium:calcium exchange |
| Definition: | The directed movement of calcium (Ca) ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. |
| Ontology: | GO: Biological Process [GO:0006816] QuickGO AmiGO |