label: otolith
label_lc: otolith
description: "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 <a href='http://zfin.org/zf_info/anatomy/dict/oto/otolith.html'>otolith</a> by T. Whitfield.)"