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单词 peristome
释义

peristome

noun

peri·​stome ˈper-ə-ˌstōm How to pronounce peristome (audio)
1
: the fringe of teeth surrounding the orifice of a moss capsule
2
: the region around the mouth in various invertebrates
peristomial
ˌper-ə-ˈstō-mē-əl How to pronounce peristome (audio)
adjective

Word History

Etymology

New Latin peristoma, from peri- + Greek stoma mouth — more at stomach entry 1

First Known Use

1799, in the meaning defined at sense 1

Medical Definition

peristome

noun

peri·​stome ˈper-ə-ˌstōm How to pronounce peristome (audio)
: the area surrounding the mouth or cytostome of a protozoan
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更新时间:2025/3/22 22:01:56