part of part of in taxon develops from develops from attached to attached to Cetacea system late embryo reproductive system gonad peritoneum intermediate mesoderm mesoderm-derived structure gubernaculum (male or female) NCIT:C82952 caudal suspensory ligament UBERON:0004346 Wikipedia:Gubernaculum UBERON:0000452 Embryonic structures which begin as undifferentiated mesenchyme attaching to the caudal end of the gonads. The gubernaculum is present only during the development of the urinary and reproductive organs, being replaced by distinct vestiges in males and females[WP]. Enitoinguinal ligaments that, in the male, connect the fetal testis to the developing scrotum, and, in the female, connect the ovaries to the uterus[MP]. gubernaculum reproductive structure abdomen element nonskeletal ligament