| 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: | lysosome |
|---|---|
| Synonyms: | |
| Definition: | A small lytic vacuole that has cell cycle-independent morphology found in most animal cells and that contains a variety of hydrolases, most of which have their maximal activities in the pH range 5-6. The contained enzymes display latency if properly isolated. About 40 different lysosomal hydrolases are known and lysosomes have a great variety of morphologies and functions. |
| Ontology: | GO: Cellular Component [GO:0005764] QuickGO AmiGO |