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单词 podobranch
释义

podobranchn.

Brit. /ˈpɒdə(ʊ)braŋk/, U.S. /ˈpɑdoʊˌbræŋk/
Origin: Formed within English, by compounding. Etymons: podo- comb. form, -branch comb. form.
Etymology: < podo- comb. form + -branch comb. form. Compare French podobranche (1869 in Littré). Compare earlier podobranchia n.
Zoology.
In some crustaceans: a gill attached to the base of a thoracic appendage. Cf. pleurobranch n.
ΚΠ
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 182 The epipodite (so-called) of the first maxilliped represents the base, stem and lamina of a podobranch.
1907 Amer. Naturalist 41 258 The projecting lobe at the base of the epipodite, or lamina bearing the filaments of the podobranch, is conspicuously large in all larval crayfish.
1939 T. L. Green Pract. Animal Biol. i. 56 Podobranchs, consisting of the six epipodites attached to the coxopodites of appendages 7 to 12.
1995 P. J. Hayward et al. in P. J. Hayward & J. S. Ryland Handbk. Marine Fauna N.W. Europe viii. 289 In some higher crustaceans, additional respiratory structures (podobranchs and pleurobranchs) are associated with the thoracic limbs.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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n.1888
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