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单词	peristome
释义	peristome /ˈpɛrɪstəʊm / noun 1 Zoology The parts surrounding the mouth of various invertebrates.Spines and tube feet surrounding the peristome function in locomotion, burrowing, and food-gathering.... The peristome can seem quite large. The autozooids have small apertures and often preserve long peristomes inclined at an acute angle to the colony surface. 2 Botany A fringe of small projections around the mouth of a capsule in mosses and certain fungi.The sporophytes also develop peristomes and a spongy layer. Origin Late 18th century: from modern Latin peristoma, from Greek peri- 'around' + stoma 'mouth'.
随便看	Hawaii Hawaii-Aleutian Standard Time Hawaiian Hawaiian goose Hawaiian guitar Hawaiian honeycreeper Hawaiki hawala hawaladar haweless hawfinch hawk hawkbit hawk eagle Hawke Bay Hawke, Bob hawker hawker centre Hawke's Bay hawk-eyed Hawkeye State hawkfish Hawking radiation Hawking, Stephen Hawkins, Coleman

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