| Phenotype: | testis Leydig cell nr5a1a expression absent, abnormal |
|---|---|
| Note: | This phenotype statement describes a gene expression or antibody labeling pattern. Anatomy terms are combined with a gene or antibody and phenotype quality. |
EXPRESSION ANATOMY:
| Name: | testis |
|---|---|
| Synonyms: | testes |
| Definition: | Male reproductive organ. Adult zebrafish testes are paired organs forming elongated structures, internally organized into tubules. These tubules are formed by seminiferous epithelium containing cysts of spermatogonia and spermatocytes surrounded by somatic support cells, called Sertoli cells. Cysts are arranged around a lumen containing spermatozoa that is connected to the efferent ducts. The interstitial regions between the tubules contain the steroid-producing Leydig cells, connective tissue, and blood vessels. |
| Ontology: | Anatomy Ontology [ZFA:0000598] |
| Name: | Leydig cell |
|---|---|
| Synonyms: | interstitial cell |
| Definition: | A Leydig cell is a testosterone-secreting cell in the interstitial area, between the seminiferous tubules, in the testis. |
| Ontology: | Anatomy Ontology [ZFA:0009108] |
EXPRESSED GENE:
| Symbol: | nr5a1a | ||||||||||||
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| Name: | nuclear receptor subfamily 5, group A, member 1a | ||||||||||||
| Previous Names: | nr5a4 (2), SF1-A (1), ff1b (4) | ||||||||||||
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| Location: | Chr: 8 Mapping Details/Browsers | ||||||||||||
EXPRESSION QUALITY:
| Name: | absent |
|---|---|
| Synonyms: | absence, absent from organism |
| Definition: | A quality denoting the lack of an entity. |
| Ontology: | Phenotypic Quality Ontology [PATO:0000462] |