procercoidn.adj.

Brit.

/prəʊˈsəːkɔɪd/, U.S.

/proʊˈsərˌkɔɪd/

Origin: A borrowing from Greek, combined with English elements; modelled on a French lexical item. Etymons: pro- prefix², Greek κέρκος , -oid suffix.

Etymology: < pro- prefix² + ancient Greek κέρκος tail (see cercus n.) + -oid suffix, after French procercoïde (F. Rosen 1918, in Bull. Soc. Neuchateloise des Sci. Nat. 42 43). Compare earlier cysticercoid adj. and n. at cysticercus n. Derivatives, plerocercoid n.

Zoology.

The earliest parasitic form of the larval stage of certain tapeworms, in which the body is solid and has begun to develop a scolex but retains the posterior hooks found in the preceding embryonic stage. Also attributive or as adj.

ΘΚΠ

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of > segmented > larva > earliest form of

procercoid1918

the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective] > relating to tape-worms > larval > relating to earliest form of

procercoid1942

1918 Jrnl. Amer. Vet. Med. Assoc. 53 359 The procercoid loses its hooks and the caudal appendix, if these have not already been lost in the copepod.

1942 D. L. Belding Textbk. Clin. Parasitol. xxv. 407 When the injected copepod is ingested by a suitable species of fresh-water fish, the procercoid larva penetrates the intestinal wall in a few days and enters the muscles, viscera and connective tissues.

1992 National Forum 1 Nov. 12/4 If a fish eats the flea, the procercoid develops into the plerocercoid form in the fish's muscles.

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

单词	procercoid
释义	procercoidn.adj. Brit. /prəʊˈsəːkɔɪd/, U.S. /proʊˈsərˌkɔɪd/ Origin: A borrowing from Greek, combined with English elements; modelled on a French lexical item. Etymons: pro- prefix², Greek κέρκος , -oid suffix. Etymology: < pro- prefix² + ancient Greek κέρκος tail (see cercus n.) + -oid suffix, after French procercoïde (F. Rosen 1918, in Bull. Soc. Neuchateloise des Sci. Nat. 42 43). Compare earlier cysticercoid adj. and n. at cysticercus n. Derivatives, plerocercoid n. Zoology. The earliest parasitic form of the larval stage of certain tapeworms, in which the body is solid and has begun to develop a scolex but retains the posterior hooks found in the preceding embryonic stage. Also attributive or as adj. ΘΚΠ the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [noun] > class Cestodes > member of > segmented > larva > earliest form of procercoid1918 the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > phylum Platyhelminthes > [adjective] > relating to tape-worms > larval > relating to earliest form of procercoid1942 1918 Jrnl. Amer. Vet. Med. Assoc. 53 359 The procercoid loses its hooks and the caudal appendix, if these have not already been lost in the copepod. 1942 D. L. Belding Textbk. Clin. Parasitol. xxv. 407 When the injected copepod is ingested by a suitable species of fresh-water fish, the procercoid larva penetrates the intestinal wall in a few days and enters the muscles, viscera and connective tissues. 1992 National Forum 1 Nov. 12/4 If a fish eats the flea, the procercoid develops into the plerocercoid form in the fish's muscles. This entry has been updated (OED Third Edition, June 2007; most recently modified version published online March 2022). < n.adj.1918
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