expresses hh GstS1 Pdk1 escort cell central escort cell 2020-01-15T11:11:20Z IGS3 FBbt:00048536 central inner germarial sheath cell IGS2 Cell belonging to the population of escort cells between the anterior and posterior escort cells (Eliazer et al., 2014). They have highly branched and dynamic protrusions (Banisch et al., 2017). With the posterior escort cells, they form a differentiation compartment for germline cysts (Banisch et al., 2017). middle escort cell Can be distinguished from other escort cell subtypes based on expression of hh, Pdk1 and GstS1 (Rust et al., 2020). cIGS cEC central EC fly_anatomy.ontology