| Name: | immature gonad | 
|---|---|
| Synonyms: | juvenile gonad, juvenile ovary | 
| Definition: | Immature reproductive tissue that has not undergone final maturation into either testis or ovary. During gonadal development, the gonad may be transiently intersexual where there is a parallel presence of both oocytes and spermatocytes. | 
| Ontology: | Anatomy Ontology [ZFA:0005272] | 
| Name: | germ cell development | 
|---|---|
| Synonyms: | germ-cell development, primordial germ cell development | 
| Definition: | The process whose specific outcome is the progression of an immature germ cell over time, from its formation to the mature structure (gamete). A germ cell is any reproductive cell in a multicellular organism. | 
| Ontology: | GO: Biological Process [GO:0007281] QuickGO AmiGO |