| 释义 |
sphae·rid·i·um
\-ēəm\ noun
(plural sphaerid·ia \-ēə\)
Etymology: New Latin, from sphaer- + -idium
: one of the small organs found on or buried in the test of all recent sea urchins except the Cidaroida suggesting statoliths in structure and possibly subserving a similar function |