protopoditen.

Brit.

/prəʊˈtɒpədʌɪt/, U.S.

/proʊˈtɑpəˌdaɪt/

Origin: Formed within English, by compounding. Etymons: proto- comb. form, -podite comb. form.

Etymology: < proto- comb. form + -podite comb. form. Compare later protopod n. 1.

Zoology.

The basal section of a crustacean limb, either unsegmented or divided into two or three segments (the basis and coxa, and in some forms also the precoxa).

ΘΚΠ

the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > limb having joints > first or basal joint of limb

protopodite1859

protopod1883

1859 T. H. Huxley in Figures & Descr. Brit. Org. Remains (Mem. Geol. Surv. U.K.: Monogr.) I. i. 31 The basal joint of the protopodite.

1894 W. Bateson Materials for Study of Variation v. 149 On comparing the two figures it will be seen that the protopodite does not differ in the limbs of the two sides.

1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) ix. 145 Each appendage consists of a two-jointed proximal portion, the protopodite, and of two many-jointed filaments borne on its distal end.

1953 Jrnl. Palaeontol. 27 105/2 The endopodite and exopodite of the crustacean are borne by the second joint of the two-jointed protopodite.

2002 G. R. J. Criel & T. H. Macrae in T. J. Abatzopoulos et al. Artemia i. 4 Three sets of sensory spines located on the anterior border of the protopodite correspond to those of the male.

Derivatives

ˌprotopoˈditic adj. rare

ΚΠ

1890 Cent. Dict. Protopoditic, of or pertaining to a protopodite.

1903 Ann. Rep. Board of Regents Smithsonian Inst. 1902 597 The numerical reduction of the basal (protopoditic) segments to two, with the assumption of a nonappendicular relationship by the gills, is due to coalescence of parts.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	protopodite
释义	protopoditen. Brit. /prəʊˈtɒpədʌɪt/, U.S. /proʊˈtɑpəˌdaɪt/ Origin: Formed within English, by compounding. Etymons: proto- comb. form, -podite comb. form. Etymology: < proto- comb. form + -podite comb. form. Compare later protopod n. 1. Zoology. The basal section of a crustacean limb, either unsegmented or divided into two or three segments (the basis and coxa, and in some forms also the precoxa). ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Crustacea > [noun] > member of > parts of > limb having joints > first or basal joint of limb protopodite1859 protopod1883 1859 T. H. Huxley in Figures & Descr. Brit. Org. Remains (Mem. Geol. Surv. U.K.: Monogr.) I. i. 31 The basal joint of the protopodite. 1894 W. Bateson Materials for Study of Variation v. 149 On comparing the two figures it will be seen that the protopodite does not differ in the limbs of the two sides. 1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) ix. 145 Each appendage consists of a two-jointed proximal portion, the protopodite, and of two many-jointed filaments borne on its distal end. 1953 Jrnl. Palaeontol. 27 105/2 The endopodite and exopodite of the crustacean are borne by the second joint of the two-jointed protopodite. 2002 G. R. J. Criel & T. H. Macrae in T. J. Abatzopoulos et al. Artemia i. 4 Three sets of sensory spines located on the anterior border of the protopodite correspond to those of the male. Derivatives ˌprotopoˈditic adj. rare ΚΠ 1890 Cent. Dict. Protopoditic, of or pertaining to a protopodite. 1903 Ann. Rep. Board of Regents Smithsonian Inst. 1902 597 The numerical reduction of the basal (protopoditic) segments to two, with the assumption of a nonappendicular relationship by the gills, is due to coalescence of parts. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1859
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