part of abdominal segment 2 larval abdominal segment 2 small cell associated with anterior dorsal histoblasts abdominal small cell associated with anterior dorsal histoblasts abdominal 2 FBbt:00001797 Cell that belongs to a bilaterally-paired cluster of approximately 10 small cells per abdominal hemisegment, just medial to the anterior dorsal histoblast nest in larval abdominal segment 2. These are not histoblasts or epidermal cells and do not increase in size during larval life. fly_anatomy.ontology