aristal sensillum [FBbt_00004185]
Sensillum of the arista. There are three of these per arista, each consisting of a pair of sensory neurons surrounded by 2 sheath cells. They project into the lymph space of the arista core, where they float freely - unattached to the epidermis. These projections consist of specialized dendrites surrounded throughout their length by sheath cells and distally by an electron dense dendritic sheath. The three projections terminate at different points along the shaft. Foelix et al., 1989, suggest that the morphology of the highly lamellated neurons found in these sensilla is consistent with a thermosensory function based on the similarity of this morphology to that of thermosensory neurons in the antennae of other insects. However, Sayeed and Benzer, 1996, show that surgical removal of the arista has no effect on the temperature preference of flies, but it does eliminate the preference of flies for dry vs moist air, suggesting a hygrosensory function.
Note
This page displays the raw VFB json record for this term. Please use the link below to open the term inside the Virtual Fly Brain viewerVFB Term Json
{
"term": {
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"iri": "http://purl.obolibrary.org/obo/FBbt_00004185",
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"short_form": "FBbt_00004185",
"label": "aristal sensillum"
},
"description": [
"Sensillum of the arista. There are three of these per arista, each consisting of a pair of sensory neurons surrounded by 2 sheath cells. They project into the lymph space of the arista core, where they float freely - unattached to the epidermis. These projections consist of specialized dendrites surrounded throughout their length by sheath cells and distally by an electron dense dendritic sheath. The three projections terminate at different points along the shaft."
],
"comment": [
"Foelix et al., 1989, suggest that the morphology of the highly lamellated neurons found in these sensilla is consistent with a thermosensory function based on the similarity of this morphology to that of thermosensory neurons in the antennae of other insects. However, Sayeed and Benzer, 1996, show that surgical removal of the arista has no effect on the temperature preference of flies, but it does eliminate the preference of flies for dry vs moist air, suggesting a hygrosensory function."
]
},
"query": "Get JSON for Class",
"version": "44725ae",
"parents": [
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"iri": "http://purl.obolibrary.org/obo/FBbt_00007241",
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"short_form": "FBbt_00007241",
"label": "adult head sensillum"
},
{
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"iri": "http://purl.obolibrary.org/obo/FBbt_00007151",
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"short_form": "FBbt_00007151",
"label": "adult antennal sense organ"
}
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"relationships": [
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"label": "arista"
}
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"xrefs": [],
"anatomy_channel_image": [],
"pub_syn": [
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{
"synonym": {
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"label": "ar",
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"core": {
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"iri": "http://flybase.org/reports/FBrf0219809",
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"short_form": "FBrf0219809",
"label": "Tanaka et al., 2012, J. Comp. Neurol. 520(18): 4067--4130"
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"PubMed": "22592945",
"DOI": "10.1002/cne.23142"
}
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],
"def_pubs": [
{
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"iri": "http://flybase.org/reports/FBrf0088919",
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"short_form": "FBrf0088919",
"label": "Sayeed and Benzer, 1996, Proc. Natl. Acad. Sci. U.S.A. 93(12): 6079--6084"
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"FlyBase": "",
"PubMed": "8650222",
"DOI": "10.1073/pnas.93.12.6079"
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{
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"short_form": "FBrf0049408",
"label": "Foelix et al., 1989, Cell Tissue Res. 258(2): 277--287"
},
"FlyBase": "",
"PubMed": "2510932",
"DOI": "10.1007/BF00239448"
}
]
}
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