main trunk of antennal mechanosensory and motor center [FBbt_00100005]
The main trunk (MT) of antennal mechanosensory and motor center (AMMC) is one of two bundles formed by the initial bifurcation of the Johnston’s organ nerve projection, ventro-laterally to the antennal lobe. The second, more lateral bundle forms the anterior portion of AMMC zone A. The MT progresses posteriorly and exhibits a second bifurcation that gives rise to the bundle forming AMMC zone B. A final posterior MT bifurcation gives rise to the AMMC lateral core and EA bundle. The MT is devoid of presynaptic sites. That the MT lacks presynaptic sites is based on negative anti-syntaxin immunolabelling and synaptobrevin::GFP localization. It is this lack of presynaptic sites which is used to distinguish the MT from the branches of the anterior portion of Zone A and zone B which are syntaxin- and synaptobrevin-positive (Kamikouchi et al., 2006).
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 viewerOpen main trunk of antennal mechanosensory and motor center in VFB
VFB Term Json
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"description": [
"The main trunk (MT) of antennal mechanosensory and motor center (AMMC) is one of two bundles formed by the initial bifurcation of the Johnston's organ nerve projection, ventro-laterally to the antennal lobe. The second, more lateral bundle forms the anterior portion of AMMC zone A. The MT progresses posteriorly and exhibits a second bifurcation that gives rise to the bundle forming AMMC zone B. A final posterior MT bifurcation gives rise to the AMMC lateral core and EA bundle. The MT is devoid of presynaptic sites."
],
"comment": [
"That the MT lacks presynaptic sites is based on negative anti-syntaxin immunolabelling and synaptobrevin::GFP localization. It is this lack of presynaptic sites which is used to distinguish the MT from the branches of the anterior portion of Zone A and zone B which are syntaxin- and synaptobrevin-positive (Kamikouchi et al., 2006)."
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"def_pubs": []
}
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