sacco-, sacc-, sacci- +

1. A little sac; especially, a part of the membranous labyrinth of the ear.
2. The smaller of two membranous sacs in the vestibule of the inner ear.
3. A small sac of the membranous labyrinth occupying the spherical recess in the vestibule near the entrance of the scala vestibuli.

1. A pouch or bag.
2. A general anatomical nomenclature for a baglike structure.

One of the four pouches in the fetal middle ear, later developing into the anterior recess of the tympanic membrane.

Conjunctival sac: the potential space, lined by conjunctiva, between the eyelids and the eyeball.

1. The endolymphatic sac or the blind, flattened cerebral end of the endolymphatic duct.
2. The blind pouch at the end of the endolymphatic duct or the duct connecting the endolymphatic sac with the membranous labyrinth.

The lacrimal sac or the dilated upper end of the nasolacrimal duct.

One of the four pouches in the fetal middle ear, later subdividing to form the epitympanum and the region of the petrous part of the temporal bone.

One of the four pouches in the fetal middle ear, later developing into the round window, oval window, and sinus tympani.

1. A narrow tube connecting the utricle to the saccule in the membranous labyrinth of the ear.
2. Relating to the utricle and the saccule of the labyrinth (passageways), denoting especially a duct connecting the two structures.

The utricle is a small bladder or a membranous bladder-like sac.