larval intersegmental nerve of A1-7 [FBbt_00007314]

Intersegmental nerve of larval segments A1-A7. With a couple of exceptions, the motor neurons whose axons it carries have their cell bodies in the segment anterior immediately to the muscles they innervate. Proximally it shares a glial sheath with segmental nerve before branching from it at the ventral edge of the ventral oblique muscles. It then runs dorsally, anterior to the segmental nerve. Its branches include (from ventral to dorsal): two motor branches that innervate the internal muscles- ISNb and ISNd, which innervate the ventral oblique and ventral muscle fibers; and a sensory branch that penetrates the lateral transverse fibers to reach the lateral sensory cluster. Upon entering the dorsal muscle group, it splits to form an externally directed sensory branch connected to the dorsal sensory cluster, and an internally directed branch which carries efferent axons to the dorsal musculature. Almost all motor neurons that fasciculate with the segmental nerve have their soma located in the same segment in which the muscles they project to are located. There are two exceptions: DA2 motorneuron and VUM motor neuron (Landgraf et al., 1997).
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Open larval intersegmental nerve of A1-7 in VFB

VFB Term Json

{
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        "core": {
            "iri": "http://purl.obolibrary.org/obo/FBbt_00007314",
            "symbol": "",
            "types": [
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                "Anatomy",
                "Class",
                "Larva",
                "Nervous_system",
                "Neuron_projection_bundle"
            ],
            "short_form": "FBbt_00007314",
            "label": "larval intersegmental nerve of A1-7"
        },
        "description": [
            "Intersegmental nerve of larval segments A1-A7. With a couple of exceptions, the motor neurons whose axons it carries have their cell bodies in the segment anterior immediately to the muscles they innervate. Proximally it shares a glial sheath with segmental nerve before branching from it at the ventral edge of the ventral oblique muscles. It then runs dorsally, anterior to the segmental nerve. Its branches include (from ventral to dorsal): two motor branches that innervate the internal muscles- ISNb and ISNd, which innervate the ventral oblique and ventral muscle fibers; and a sensory branch that penetrates the lateral transverse fibers to reach the lateral sensory cluster. Upon entering the dorsal muscle group, it splits to form an externally directed sensory branch connected to the dorsal sensory cluster, and an internally directed branch which carries efferent axons to the dorsal musculature."
        ],
        "comment": [
            "Almost all motor neurons that fasciculate with the segmental nerve have their soma located in the same segment in which the muscles they project to are located. There are two exceptions: DA2 motorneuron and VUM motor neuron (Landgraf et al., 1997)."
        ]
    },
    "query": "Get JSON for Class",
    "version": "44725ae",
    "parents": [
        {
            "symbol": "",
            "iri": "http://purl.obolibrary.org/obo/FBbt_00002319",
            "types": [
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                "Anatomy",
                "Class",
                "Larva",
                "Nervous_system",
                "Neuron_projection_bundle"
            ],
            "short_form": "FBbt_00002319",
            "label": "larval abdominal intersegmental nerve"
        }
    ],
    "relationships": [
        {
            "relation": {
                "iri": "http://purl.obolibrary.org/obo/BFO_0000050",
                "label": "is part of",
                "type": "part_of"
            },
            "object": {
                "symbol": "",
                "iri": "http://purl.obolibrary.org/obo/FBbt_00007586",
                "types": [
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                ],
                "short_form": "FBbt_00007586",
                "label": "larval abdominal segment A1-7"
            }
        }
    ],
    "xrefs": [],
    "anatomy_channel_image": [],
    "pub_syn": [
        {
            "synonym": {
                "scope": "has_broad_synonym",
                "label": "ISN",
                "type": ""
            },
            "pub": {
                "core": {
                    "symbol": "",
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                    "label": "Campos-Ortega and Hartenstein, 1997, The embryonic development of Drosophila melanogaster. 2nd ed. "
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                "FlyBase": "",
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                "DOI": ""
            }
        }
    ],
    "def_pubs": [
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                ],
                "short_form": "FBrf0099344",
                "label": "Landgraf et al., 1997, J. Neurosci. 17(24): 9642--9655"
            },
            "FlyBase": "",
            "PubMed": "9391019",
            "DOI": ""
        },
        {
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