| Term 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. | 
| Appears at: | Segmentation:10-13 somites (14.0h-16.0h) | 
| Evident until: | Larval:Protruding-mouth (72.0h-96.0h, 3.5mm) | 
| Ontology: | Anatomy Ontology [ZFA:0000031] | 
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