单词 periproct 释义 periproct Zool.|prprkt|[f. Gr. around + - the anus.]That part of the perisome or body-wall of an echinoderm which surrounds the anus: opp. to peristome.1877Huxley Anat. Inv. Anim. ix. 569 In Echinus, the apical extremities of the amb...