| Phenotype: | periventricular grey zone macrophage increased distribution, abnormal |
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| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| 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: | macrophage |
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| Synonyms: | histiocyte |
| Definition: | A mononuclear phagocyte present in variety of tissues, typically differentiated from monocytes, capable of phagocytosing a variety of extracellular particulate material, including immune complexes, microorganisms, and dead cells. |
| Ontology: | Anatomy Ontology [ZFA:0009141] |
| Name: | increased distribution |
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| Synonyms: | high distribution |
| Definition: | A distribution which is relatively high. |
| Ontology: | Phenotypic Quality Ontology [PATO:0001671] |