| Phenotype: | testis lacks all parts of type germ line cell, abnormal |
|---|---|
| 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: | 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: | lacks all parts of type |
|---|---|
| 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: | germ line cell |
|---|---|
| Synonyms: | germ line cells |
| Definition: | A cell that is within the developmental lineage of gametes and is able to pass along its genetic material to offspring. |
| Ontology: | Anatomy Ontology [ZFA:0009016] |