gonad | embryonic stage (with spa360.16)
gonadal sheath proper primordium | embryonic stage (with spa360.16)
visceral mesoderm | embryonic stage (with spa360.16)
spa316.03/spa360.16 embryos have fewer somatic gonadal precursors than normal. Their gonads are often fragmented. Somatic gonadal precursor specification is abnormal. Male-specific somatic gonadal precursors are not specified.