Term: intestinal bulb primordium posterior region
Name: intestinal bulb primordium
Synonyms:
Definition: Portion of the intestinal rod that loops to left between 26-30hpf and gives rise to the intestinal bulb and liver and anterior pancreatic primordium. The endoderm at this stage is a compact mass of cells with little to no polarization.
Ontology: Anatomy Ontology [ZFA:0005738]

Name: posterior region
Synonyms:
Definition: Anatomical region posteriorly located on the body or body part.
Ontology: Spatial Ontology [BSPO:0000072]