gubernacular bulb
http://purl.obolibrary.org/obo/UBERON_0012326
The caudal, swollen portion of the gubernaculum. [ http://orcid.org/0000-0002-6601-2165 http://openisbn.com/search.php?q=0123971756&isbn=1/ ]
Term info
In rodents, during inguinoscrotal descent the gubernaculum regresses and the bulb prolapses, forming the vaginal process[ISBN:0123971756]
Hrabovszky et al propose the bulb is the growing end of the elongating gubernaculum, analogous to the growth of a limb bud[PMID:11997885]
pars infravaginalis gubernaculi, bulb of gubernaculum
uberon
UBERON:0012326