maxillary palp bristle [FBbt_00004160]

Trichoid sensillum of the maxillary palp. It has an external sensory structure that consists of a bundle of smaller, closely apposed fibers, each of which is marked by oblique grooves (Riesgo-Escovar et al., 1997). It has no pores and is anchored in a prominent socket, indicative of mechanosensory function (Riesgo-Escovar et al., 1997). There are approximately 15-20 of these on each maxillary palp (Riesgo-Escovar et al., 1997; Eichler et al., 2024). They are generally found on the distal tip and lateral edge of the palp (Riesgo-Escovar et al., 1997).
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maxillary palp bristle

ID: FBbt_00004160

Adult Mechanosensory system Nervous system Sense organ

Trichoid sensillum of the maxillary palp. It has an external sensory structure that consists of a bundle of smaller, closely apposed fibers, each of which is marked by oblique grooves (Riesgo-Escovar et al., 1997). It has no pores and is anchored in a prominent socket, indicative of mechanosensory function (Riesgo-Escovar et al., 1997). There are approximately 15-20 of these on each maxillary palp (Riesgo-Escovar et al., 1997; Eichler et al., 2024). They are generally found on the distal tip and lateral edge of the palp (Riesgo-Escovar et al., 1997).

Structure is consistent with these sensilla being mechanosensory rather than chemosensory (Riesgo-Escovar et al., 1997).

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
MaPa bristle exact synonym Eichler et al., 2024
sensillum trichodeum of maxillary palpus exact synonym

Neurons with some part in maxillary palp bristle (1 total)

Thumbnail Name Tags
BM-MaPa Adult, Mechanosensory_system, Nervous_system, Sensory_neuron

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