| Name: | pronephric duct |
|---|---|
| Synonyms: | pronephric ducts |
| Definition: | Duct of the embryonic kidney, present bilaterally ventral to the somites and leading to the cloacal chamber. Wingert et al. have suggested that the pronephric duct as described traditionally may consist of subregions which are analogous to portions of the tubule segment of mammalian and other fish nephrons. |
| Ontology: | Anatomy Ontology [ZFA:0000150] |
| Name: | outer dynein arm |
|---|---|
| Synonyms: | outer dynein arm complex |
| Definition: | Outer arm structure present on the outer doublet microtubules of ciliary and flagellar axonemes. Outer dynein arms contain 2-3 heavy chains, two or more intermediate chains and a cluster of 4-8 light chains. Inner and outer dynein arms have different functions in the generation of microtubule-based motility. |
| Ontology: | GO: Cellular Component [GO:0036157] QuickGO AmiGO |