platyhelminthn.adj.

Brit.

/ˌplatɪˈhɛlmɪnθ/, U.S.

/ˌplædiˈhɛlmənθ/

Forms: 1800s platyelminth, 1800s– plathelminth, 1800s– platyhelminth.

Origin: A borrowing from Greek, combined with an English element; modelled on a Latin lexical item. Etymons: platy- comb. form, Greek ἑλμινθ-, ἕλμινς.

Etymology: < platy- comb. form + ancient Greek ἑλμινθ-, ἕλμινς worm (see helminth n.), after scientific Latin Platyhelminthes, phylum name ( C. Claus Lehrbuch der Zoologie (1887)), earlier also as Platyelminthes (C. Gegenbaur 1859), Plathelminthes (A. Schneider 1873).The form Platyhelminthes is sometimes attributed to C. S. Minot (1876–7), though he uses Plathelminthes in publications of 1879–80. The phylum name was formerlyPlatyelmia (C. Vogt 1851).

Zoology.

A. n.

A worm of the phylum Platyhelminthes, which comprises the flatworms (including planarians, flukes, and tapeworms), characterized by a simple flattened body which lacks blood vessels or coelomic cavities, and a digestive tract which, if present, has a single opening; a flatworm.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > member of

platode1876

platyhelminth1877

flat-worm-

1877 Amer. Naturalist 11 574 The Thott prize of four hundred crowns is offered [by the Royal Danish Academy of Sciences and Letters] for memoirs on the anatomy, life-history, and development of the species of Ligula, with special reference to their relationship to the Platyhelminths.

1883 Science 8 June 510/1 Dr. Lang, in the course of his work on turbellarians, has already produced some extremely important papers on their morphology, and the relations of plathelminths generally.

1886 Amer. Naturalist 20 562 The spongy cords found in all Platyelminths are certainly nerve fibres.

1897 T. C. Allbutt et al. Syst. Med. II. 1091 Bilharzia..hæmatobia is a trematode platyhelminth, inhabiting the veins of man, monkeys, and probably also of cattle and dogs.

1939 I. T. Sanderson Caribbean Treasure iv. 92 The animated fungus in my first clean handkerchief turned out to be a type of ‘worm’, using that word in the general sense. It was actually a Platyhelminth.

1968 C. W. Schwabe & A. Kilejian in M. Florkin & B. T. Scheer Chem. Zool. II. iii. vi. 517 Other serodiagnostic procedures which have been developed in recent years have been applied to platyhelminth infections.

1989 B. Stonehouse Polar Ecol. (BNC) 94 In wetter areas platyhelminths, collembolae and larvae of chironomids and other flying insects become dominant.

B. adj.

Designating, relating to, or characteristic of worms of the phylum Platyhelminthes.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective]

platyhelminth1883

platoid1890

1883 Amer. Naturalist 17 297 It has been the general opinion, however, that they [sc. dicyemids] are degraded Platyelminth worms.

1888 Proc. Royal Soc. 1887–8 43 310 This discovery is in accord with the presumed origin of the Annelid from the Platyhelminth excretory system.

1982 S. Prudhoe & R. A. Bray (title) Platyhelminth parasites of the Amphibia.

This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).

单词	platyhelminth
释义	platyhelminthn.adj. Brit. /ˌplatɪˈhɛlmɪnθ/, U.S. /ˌplædiˈhɛlmənθ/ Forms: 1800s platyelminth, 1800s– plathelminth, 1800s– platyhelminth. Origin: A borrowing from Greek, combined with an English element; modelled on a Latin lexical item. Etymons: platy- comb. form, Greek ἑλμινθ-, ἕλμινς. Etymology: < platy- comb. form + ancient Greek ἑλμινθ-, ἕλμινς worm (see helminth n.), after scientific Latin Platyhelminthes, phylum name ( C. Claus Lehrbuch der Zoologie (1887)), earlier also as Platyelminthes (C. Gegenbaur 1859), Plathelminthes (A. Schneider 1873).The form Platyhelminthes is sometimes attributed to C. S. Minot (1876–7), though he uses Plathelminthes in publications of 1879–80. The phylum name was formerlyPlatyelmia (C. Vogt 1851). Zoology. A. n. A worm of the phylum Platyhelminthes, which comprises the flatworms (including planarians, flukes, and tapeworms), characterized by a simple flattened body which lacks blood vessels or coelomic cavities, and a digestive tract which, if present, has a single opening; a flatworm. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > member of platode1876 platyhelminth1877 flat-worm- 1877 Amer. Naturalist 11 574 The Thott prize of four hundred crowns is offered [by the Royal Danish Academy of Sciences and Letters] for memoirs on the anatomy, life-history, and development of the species of Ligula, with special reference to their relationship to the Platyhelminths. 1883 Science 8 June 510/1 Dr. Lang, in the course of his work on turbellarians, has already produced some extremely important papers on their morphology, and the relations of plathelminths generally. 1886 Amer. Naturalist 20 562 The spongy cords found in all Platyelminths are certainly nerve fibres. 1897 T. C. Allbutt et al. Syst. Med. II. 1091 Bilharzia..hæmatobia is a trematode platyhelminth, inhabiting the veins of man, monkeys, and probably also of cattle and dogs. 1939 I. T. Sanderson Caribbean Treasure iv. 92 The animated fungus in my first clean handkerchief turned out to be a type of ‘worm’, using that word in the general sense. It was actually a Platyhelminth. 1968 C. W. Schwabe & A. Kilejian in M. Florkin & B. T. Scheer Chem. Zool. II. iii. vi. 517 Other serodiagnostic procedures which have been developed in recent years have been applied to platyhelminth infections. 1989 B. Stonehouse Polar Ecol. (BNC) 94 In wetter areas platyhelminths, collembolae and larvae of chironomids and other flying insects become dominant. B. adj. Designating, relating to, or characteristic of worms of the phylum Platyhelminthes. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective] platyhelminth1883 platoid1890 1883 Amer. Naturalist 17 297 It has been the general opinion, however, that they [sc. dicyemids] are degraded Platyelminth worms. 1888 Proc. Royal Soc. 1887–8 43 310 This discovery is in accord with the presumed origin of the Annelid from the Platyhelminth excretory system. 1982 S. Prudhoe & R. A. Bray (title) Platyhelminth parasites of the Amphibia. This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022). < n.adj.1877
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