expresses lz procrystal cell FBbt:00001689 An immature crystal cell. These cells measure 8 to 9 micrometers in diameter and can be distinguished from prohemocytes by the lack of cytoplasmic processes and fewer ribosomes, rough endoplasmic reticulum, mitochondria and Golgi bodies (Shrestha and Gateff, 1982). They express lozenge, an early crystal cell marker (Honti et al., 2014). CL:0000395 fly_anatomy.ontology prohemocyte