| Name: | intestine lumen |
|---|---|
| Synonyms: | gut lumen |
| Definition: | Anatomical space within the intestine where digestion normally occurs. The intestinal lumen begins as an interconnected web of small space at 43 hpf that over time remodels to form a single continuous tube at 68hpf. Lumen maturation proceeds from anterior to posterior along the intestine. |
| Ontology: | Anatomy Ontology [ZFA:0005807] |
| Name: | chitin synthase activity |
|---|---|
| Synonyms: | chitin synthetase activity, chitin-UDP acetyl-glucosaminyl transferase activity, chitin-UDP N-acetylglucosaminyltransferase activity, chitin-uridine diphosphate acetylglucosaminyltransferase activity, trans-N-acetylglucosaminosylase activity, UDP-N-acetyl-D-glucosamine:chitin 4-beta-N-acetylglucosaminyl-transferase activity |
| Definition: | Catalysis of the reaction: UDP-N-acetyl-D-glucosamine + [->4)-N-acetyl-beta-D-glucosaminyl-(1-](n) = UDP + [->4)-N-acetyl-beta-D-glucosaminyl-(1-](n+1). |
| Ontology: | GO: Molecular Function [GO:0004100] QuickGO AmiGO |