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] |
Name: | bicellular tight junction |
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Synonyms: | zonula occludens |
Definition: | An occluding cell-cell junction that is composed of a branching network of sealing strands that completely encircles the apical end of each cell in an epithelial sheet; the outer leaflets of the two interacting plasma membranes are seen to be tightly apposed where sealing strands are present. Each sealing strand is composed of a long row of transmembrane adhesion proteins embedded in each of the two interacting plasma membranes. |
Ontology: | GO: Cellular Component [GO:0005923] QuickGO AmiGO |