Asexual Multiplication of Mesocestoides corti (Cestoda) in the Intestine of Dogs and Skunks

Eckert, Johannes; Brand, Theodor von; Voge, Marietta

doi:10.2307/3277383

Cited by 34 publications

(22 citation statements)

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“…According to Eckert et al (1969), asexual reproduction in adult Mesocestoides corti Hoeppli, 1925 should be interpreted as the completion of larval reproduction while in the definitive host. A recent study on metacestodes of Mesocestoides sp.…”

Section: Asexual Multiplicationmentioning

confidence: 99%

Post-embryonic development and ultrastructural characteristics of the polycephalic larva of Taenia parva Baer, 1926 (Cyclophyllidea, Taeniidae)

Z¹,

Miquel²,

Młocicki³

et al. 2007

Acta Parasitologica

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Post-embryonic development and fully-formed polycephalic larvae of Taenia parva Baer, 1926 were examined by light (LM) and transmission electron microscopy (TEM). Three developmental stages were recognised: (1) an early stage of exogenous budding at the surface of the central vesicle; (2) a stage of polycephalic cyst development accompanied by segmentation of the growing larval strobile and an obvious decrease in the size of the central vesicle; (3) fully-formed larval strobile and invaginated scoleces. In fully-developed encysted polycephalic larvae, there are usually 14-24 segmented larval strobilae, each terminating with an invaginated scolex; larval strobilae arise from a common central vesicle and remain attached posterior to it during the entire development. The number of segments varies between 109 and 120 per larval strobila. The polycephalic larvae examined closely resemble the strobilocercus type of taeniid larvae. The structure of developing and fully-formed larvae was examined by TEM. The tegument, scolex, subtegumental musculature of the strobilar segments, protonephridial system, calcareous corpuscles and medullary parenchyma of larvae exhibit general similarity with the same structures in adults at both LM and TEM levels. The morphogenesis of the larva of T. parva is compared with that of the polycephalic larvae of other Taenia spp. (T. krepkogorski, T. twitchelli and T. endothoracica) and with other asexually-multiplying cestode larvae (mesocestoidids, hymenolepidids and dilepidids).

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Section: Asexual Multiplicationmentioning

confidence: 99%

Post-embryonic development and ultrastructural characteristics of the polycephalic larva of Taenia parva Baer, 1926 (Cyclophyllidea, Taeniidae)

Z¹,

Miquel²,

Młocicki³

et al. 2007

Acta Parasitologica

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“…Mesocestoides tapeworms have an incompletely understood life cycle that is thought to require 2 intermediate hosts and one definitive host . Adult Mesocestoides tapeworms can inhabit the intestine of wild and domestic carnivores including dogs, coyotes, foxes, skunks, and cats, as well as people .…”

Section: Discussionmentioning

confidence: 99%

Cestode infection in 2 dogs: cytologic findings in liver and a mesenteric lymph node

Patten¹,

Rich²,

Zaks³

et al. 2012

Veterinary Clinical Pathol

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Mesocestoides cestode infections in dogs are well known for causing severe peritonitis with larvae or larval fragments (metacestodes, tetrathyridia, or calcareous corpuscles) frequently observed cytologically in peritoneal fluid samples. This case report describes the cytologic and clinical features of 2 dogs infected with cestode larvae, with one case confirmed and the other presumed to be Mesocestoides sp. In these 2 unusual cases, cestode larvae or larval fragments were found in fine-needle aspirates of the liver and a mesenteric lymph node, but no organisms were found in peritoneal fluid samples. The data presented in this report indicate that clinical pathologists should not rule out Mesocestoides sp cestodiasis based on the absence of larvae in peritoneal fluid samples from dogs.

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“…If the wrong host ingests the tetrathyridia they can become encapsulated in the body until eaten by a favourable host. A very unusual feature of this parasite is its ability also to multiply in the intestine of the definitive host (ECKERT et al 1969;SCHMIDT and TODD 1978); a dose of 2,000 tetrathyridia to a dog yielded 53,410 worms 45 days after infection (SCHMIDT and TODD 1978). Tetrathyridia can also invade and multiply in the body cavities of the definitive host.…”

Section: Family Mesocestoididaementioning

confidence: 98%

Chemotherapy of Tapeworm Infections in Animals

Rickard¹,

Arundel²

1985

Handbook of Experimental Pharmacology

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Asexual Multiplication of Mesocestoides corti (Cestoda) in the Intestine of Dogs and Skunks

Cited by 34 publications

References 0 publications

Post-embryonic development and ultrastructural characteristics of the polycephalic larva of Taenia parva Baer, 1926 (Cyclophyllidea, Taeniidae)

Post-embryonic development and ultrastructural characteristics of the polycephalic larva of Taenia parva Baer, 1926 (Cyclophyllidea, Taeniidae)

Cestode infection in 2 dogs: cytologic findings in liver and a mesenteric lymph node

Chemotherapy of Tapeworm Infections in Animals

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