| Name: | kidney |
|---|---|
| Synonyms: | mesonephros |
| Definition: | Cavitated compound organ located in the pleuroperitoneal cavity where hematopoiesis and filtering of blood occur. |
| Ontology: | Anatomy Ontology [ZFA:0000529] |
| Name: | immature B cell |
|---|---|
| Synonyms: | immature B lymphocyte, immature B-cell, immature B-lymphocyte, newly formed B Cell |
| Definition: | An immature B cell is a precursor B cell that has the phenotype surface IgM-positive and surface IgD-negative, and have not undergone class immunoglobulin class switching or peripheral encounter with antigen and activation. |
| Ontology: | Anatomy Ontology [ZFA:0009343] |