sensillum of sacculus chamber II [FBbt_00004183]

Sensillum of chamber II of the sacculus of the antenna (Shanbhag et al., 1995). This sacculus chamber is divided into multiple compartments, each of which houses one of these sensilla in a pit (Shanbhag et al., 1995). It has a smooth cuticular surface, lacking pores, and a plugged pore-like structure at its distal tip (Shanbhag et al., 1995). It houses the sensory dendrites of three hygrosensory neurons, two expressing Ir40a and one expressing Ir68a (Shanbhag et al., 1995; Enjin et al., 2016; Marin et al., 2020).
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sensillum of sacculus chamber II

ID: FBbt_00004183

Adult Chemosensory system Hygrosensory system Nervous system Sense organ

Sensillum of chamber II of the sacculus of the antenna (Shanbhag et al., 1995). This sacculus chamber is divided into multiple compartments, each of which houses one of these sensilla in a pit (Shanbhag et al., 1995). It has a smooth cuticular surface, lacking pores, and a plugged pore-like structure at its distal tip (Shanbhag et al., 1995). It houses the sensory dendrites of three hygrosensory neurons, two expressing Ir40a and one expressing Ir68a (Shanbhag et al., 1995; Enjin et al., 2016; Marin et al., 2020).

Classified as coeloconic by Shanbhag et al. (1995), but morphologically dissimilar to 'coeloconic' sensilla of the antennal surface - which are not located in a pit (Shanbhag et al., 1999 - FBrf0084361).

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
np-Sc exact synonym Shanbhag et al., 1995
blunt-tipped sensillum of sacculus exact synonym
no-pore sensillum of sacculus broad synonym
no-pore sensilla coeloconica related synonym Shanbhag et al., 1995

Neurons with some part in sensillum of sacculus chamber II (3 total)

Thumbnail Name Tags
HRN_VP1d Adult, Hygrosensory_system, Nervous_system, Sensory_neuron, Thermosensory_system
HRN_VP5 Adult, Hygrosensory_system, Nervous_system, Sensory_neuron
adult hygrosensory neuron Ir40a VP4 chamber II Adult, Hygrosensory_system, Nervous_system, Sensory_neuron

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