| Name: | hypochord |
|---|---|
| Synonyms: | |
| Definition: | Portion of tissue that arises from the arise from the lateral edges of the shield and is located immediately ventral to the notochord. The hypochord is thought to play a role in positioning the dorsal aorta. Unlike in frogs and axolotl, the hypochord does not appear to be endodermally derived. |
| Ontology: | Anatomy Ontology [ZFA:0000031] |
| Name: | rough endoplasmic reticulum |
|---|---|
| Synonyms: | RER, rough ER |
| Definition: | The rough (or granular) endoplasmic reticulum (ER) has ribosomes adhering to the outer surface; the ribosomes are the site of translation of the mRNA for those proteins which are either to be retained within the cisternae (ER-resident proteins), the proteins of the lysosomes, or the proteins destined for export from the cell. Glycoproteins undergo their initial glycosylation within the cisternae. |
| Ontology: | GO: Cellular Component [GO:0005791] QuickGO AmiGO |