From extra- + saccular. Rhymes: -ækjʊlə(ɹ) <span class="searchmatch">extrasaccular</span> (not comparable) (anatomy) Outside the sac....
series of sacs or pouches; sacculate. cochleosaccular endosaccular <span class="searchmatch">extrasaccular</span> intersaccular intrasaccular tubulosaccular utriculosaccular “saccular”...