| Name: | pronephros |
|---|---|
| Synonyms: | embryonic kidney, pronephric nephron |
| Definition: | The embryonic kidney, present at the level of the third somite, is composed of two glomeruli fused at the midline, two pronephric tubules, and paired bilateral pronephric ducts that modify the composition of the blood filtrate before delivering it to the cloaca for excretion. |
| Ontology: | Anatomy Ontology [ZFA:0000151] |
| Name: | basement membrane |
|---|---|
| Synonyms: | basal lamina, basement lamina, lamina densa |
| Definition: | A collagen-containing extracellular matrix consisting of a thin layer of dense material found in various animal tissues interposed between the cells and the adjacent connective tissue. It consists of the basal lamina plus an associated layer of reticulin fibers. |
| Ontology: | GO: Cellular Component [GO:0005604] QuickGO AmiGO |
| Name: | structure |
|---|---|
| Synonyms: | conformation, relational structural quality |
| Definition: | A morphology quality inhering in a bearer by virtue of the bearer's relative position, shape, arrangements and connectivity of an organism's various parts; the pattern underlying its form. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000141] |