| Phenotype: | Mauthner neuron gap junction gjd2a expression absent, abnormal |
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| Note: | This phenotype statement describes a gene expression or antibody labeling pattern. Anatomy terms are combined with a gene or antibody and phenotype quality. |
EXPRESSION ANATOMY:
| Name: | Mauthner neuron |
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| Synonyms: | |
| Definition: | Is a hindbrain interneuron. Giant reticulospinal neurons possessing thick crossed axons and positioned dorsally in the hindbrain tegmentum at the level of entrance of the eighth cranial nerve. The Mauthner neuron is paired. The M-cell has two large invariant dendrites: The lateral dendrite terminates in the sensory neuropil of the acoustico-lateral area, and the ventral dendrite terminates in the neuropil of the motor tegmentum. Fine dendrites are present, and mostly arise from three regions; from the terminus of each major dendrite and from the ventral surface of the perikaryon. |
| Ontology: | Anatomy Ontology [ZFA:0009149] |
| Name: | gap junction |
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| Synonyms: | communicating junction, electrical synapse, gap junction macula, gap junction plaque, intercellular gap junction channel, macula communicans, zonula communicans |
| Definition: | A cell-cell junction composed of pannexins or innexins and connexins, two different families of channel-forming proteins. |
| Ontology: | GO: Cellular Component [GO:0005921] QuickGO AmiGO |
EXPRESSED GENE:
| Symbol: | gjd2a | ||||||||||||
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| Name: | gap junction protein delta 2a | ||||||||||||
| Previous Names: | cx35.5, cx35a (1) | ||||||||||||
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| Location: | Chr: 17 Mapping Details/Browsers | ||||||||||||
EXPRESSION QUALITY:
| Name: | absent |
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| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |