external sensory organ precursor cell IIa [FBbt_00005166]

Second-order precursor cell that develops from an external sensory organ precursor cell I. In the microchaete lineage, it divides to give rise to the tormogen cell and the trichogen cell of an external sensory organ (Gho et al., 1999; Hartenstein and Posakony, 1989). In the development of antennal olfactory sensilla, it produces two daughters, pOa and pOb, which each divide asymmetrically to produce the four types of support cell per sensillum (Endo et al., 2012; Chai et al., 2019).

external sensory organ precursor cell IIa

ID: FBbt_00005166

Cell

Second-order precursor cell that develops from an external sensory organ precursor cell I. In the microchaete lineage, it divides to give rise to the tormogen cell and the trichogen cell of an external sensory organ (Gho et al., 1999; Hartenstein and Posakony, 1989). In the development of antennal olfactory sensilla, it produces two daughters, pOa and pOb, which each divide asymmetrically to produce the four types of support cell per sensillum (Endo et al., 2012; Chai et al., 2019).

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## Classification

Relationships

Alternative Names

Synonym Scope Reference
pIIa exact synonym Chai et al., 2019
SOPIIa exact synonym

Expression patterns overlapping external sensory organ precursor cell IIa (2 total)

Thumbnail Name Tags
P{GAL4}SOP expression pattern Expression_pattern
P{GawB}neur[GAL4-A101] expression pattern Expression_pattern

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