Term: saccule otolith
Name: saccule
Synonyms: sacculus
Definition: Otolith organ comprised of the macula saccule and sagitta. The lagena is part of the pars inferior. The saccule functions in the detection of sound and movement.
Ontology: Anatomy Ontology [ZFA:0000428]

Name: otolith
Synonyms: immature otolith, immature otoliths, statolith
Definition: Portion of organism substance composed of calcium carbonate located in the otolith organ and positioned over a sensory macula; two form in each vesicle during the late segmentation period. (Also see Anatomical Atlas entry for otolith by T. Whitfield.)
Ontology: Anatomy Ontology [ZFA:0001617]