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| Term | precursor fat cell | ID (Ontology) | FBbt:00049953 (Fly Anatomy) |
| Definition | Precursor cell of the embryo that will develop into a larval fat cell. These can first be detected around stage 10 in segmentally-repeated clusters (primary clusters) in the eve-expressing domain of parasegments (PS) 4-9 and PS13, just ventral to the midgut visceral mesoderm (Riechmann et al., 1998). In PS10-12, gonadal precursors are instead found in this position (Riechmann et al., 1998). In PS13, precursor fat cells are also found in the dorsal mesoderm that would be occupied by heart and midgut precursors in other segments (Riechmann et al., 1998). Secondary clusters of precursors arise in two positions, directly posterior to, and ventral and anterior to, the primary cluster (or gonadal precursors) in PS4-13 (Riechmann et al., 1998). At the onset of germ band retraction, these cells begin to divide and form a continuous layer between the midgut visceral mesoderm and the somatic mesoderm, losing their segmental appearance (Riechmann et al., 1998). These cells do not accumulate lipids (Campos-Ortega and Hartenstein, 1997).[ FlyBase:FBrf0089570 FlyBase:FBrf0092674 FlyBase:FBrf0101991 ] | ||
| Also Known As | "developing fat-body cell" ; "embryonic adipose cell" ; "embryonic fat cell" (for all, see Synonyms field below) | ||
| Comment | Earliest marker is srp (Sam et al., 1996). | ||
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developing material anatomical entity |__developing embryonic structure__ |__somatic precursor cell__________| somatic cell | |__somatic precursor cell__________| precursor fat cell |
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developing embryonic structure somatic precursor cell |
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