Definition of pterygostome in English:

pterygostome

noun ˈtɛrɪɡəˌstəʊm

Zoology

In certain decapod crustaceans: either of a pair of winglike projections of the anterior edge of the ventral carapace, flanking the buccal cavity; this region of the carapace.

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From pterygo- + -stome.

nounˈtɛrɪɡəˌstəʊm

Zoology

In certain decapod crustaceans: either of a pair of winglike projections of the anterior edge of the ventral carapace, flanking the buccal cavity; this region of the carapace.

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From pterygo- + -stome.

词汇	pterygostome
释义	Definition of pterygostome in English: pterygostome noun ˈtɛrɪɡəˌstəʊm Zoology In certain decapod crustaceans: either of a pair of winglike projections of the anterior edge of the ventral carapace, flanking the buccal cavity; this region of the carapace. Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From pterygo- + -stome. Definition of pterygostome in US English: pterygostome nounˈtɛrɪɡəˌstəʊm Zoology In certain decapod crustaceans: either of a pair of winglike projections of the anterior edge of the ventral carapace, flanking the buccal cavity; this region of the carapace. Origin Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From pterygo- + -stome.
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