| Phenotype: | pronephros lacks all parts of type corpuscles of Stannius, abnormal |
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| Note: | This statement combines anatomy and/or ontology terms with phenotype quality terms to create a complete phenotype (EQ) statement. For detailed information on individual terms, click the hyperlinked term name. |
| Name: | pronephros |
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| 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: | lacks all parts of type |
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| Synonyms: | lacks all physical parts of type |
| Definition: | A quality of physical entities inhering in a bearer by virtue of the bearer's lacking a physical part as specified by the additional entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0002000] |
| Name: | corpuscles of Stannius |
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| Synonyms: | |
| Definition: | Islands of eosinic cells found on the lateroventral surface of the kidney. Function is thought to be that of the parathyroid gland in other vertebrates, which are lacking in fishes. These cells secrete hypocalcin (teleocalcin) to regulate calcium metabolism. |
| Ontology: | Anatomy Ontology [ZFA:0001200] |