| Term: | ball common cardinal vein |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | ball |
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| Synonyms: | yolk ball |
| Definition: | The anterior round region of the yolk cell present after the yolk extension forms during the segmentation period. |
| Ontology: | Anatomy Ontology [ZFA:0000006] |
| Name: | common cardinal vein |
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| Synonyms: | duct of Cuvier |
| Definition: | Bilaterally paired longitudinal vein; the anterior cardinal returns blood from the head, and the posterior cardinal returns it from the trunk; these two vessels join together on each side as the common cardinal vein (duct of Cuvier; misnamed the vitelline vein) that leads across the yolk cell to the heart's sinus venosus. |
| Ontology: | Anatomy Ontology [ZFA:0000186] |