obsolete testis

obsolete testis sheath

obsolete testis mitotic cells

obsolete testis postmitotic cells

somatic gonad precursor

any of two cells that generate all somatic tissues of the gonad proper (i.e. ovary or testis ) and genital ducts (e.g. uterus, vas deferens).

vas deferens

That portion of the male reproductive tract, through which sperm are delivered to the proctodeum and then the cloaca in the tail. Thus that portion which is distal to the testis, made of a total of 30 cells.