endolymphatic appendage

endolymphatic diverticulum

a diverticulum of the otic vesicle, which forms the endolymphatic duct and sac.

endolymphatic appendage

an outgrowth of the otic vesicle that forms the endolymphatic duct and sac during embryonic development.

en·do·lym·phat·ic di·ver·tic·u·lum

(en'dō-lim-fat'ik dī'vĕr-tik'yū-lŭm)
An outgrowth from the otic vesicle that elongates to form the endolymphatic duct and sac.
Synonym(s): endolymphatic appendage.