ventral organ [FBbt_00002707]

External compound sense organ of the antenno-maxillary complex of the larval head, located amongst the cirri. It contains three ‘knob-like’ sensilla, one bi-dendritic and two mono-dendritic. Neurons of the ventral organ connect with the larval maxillary nerve and terminate in area 2 of the subesophageal ganglion.

ventral organ

ID: FBbt_00002707

Larva Nervous system Sense organ

External compound sense organ of the antenno-maxillary complex of the larval head, located amongst the cirri. It contains three 'knob-like' sensilla, one bi-dendritic and two mono-dendritic. Neurons of the ventral organ connect with the larval maxillary nerve and terminate in area 2 of the subesophageal ganglion.

Evidence for maxillary segment origin comes from Schmidt-Ott et al., 1994. There is some disagreement about the number of sensilla in the ventral organ: Campos-Ortega and Hartenstein, 1997, mention only 3 - one with two neurons and the other two with one each; Singh and Singh, 1984, provide evidence for 5 sensilla, 4 innervated by one neuron, the other by four neurons. This ontology follows Singh and Singh, 1984.

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Classification

Relationships

is part of: larval antenno-maxillary sensory complex

Alternative Names

Synonym	Scope	Reference
vo	exact synonym
VO	exact synonym
ventrales Organ	exact synonym	Hertweck, 1931

Neurons with some part in ventral organ (1 total)

Thumbnail	Name	Tags
	gustatory receptor neuron of the ventral organ	Gustatory_system, Larva, Nervous_system, Sensory_neuron

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Parts of ventral organ (6 total)

Thumbnail	Name	Tags
	ventral organ sensillum 1	Larva, Nervous_system, Sense_organ
	ventral organ sensillum 2	Larva, Nervous_system, Sense_organ
	ventral organ sensillum 3	Gustatory_system, Larva, Nervous_system, Sense_organ
	ventral organ sensillum 4	Larva, Nervous_system, Sense_organ
	ventral organ sensillum	Larva, Nervous_system, Sense_organ