The functional anatomy of the cysticercoid of <i>Choanotaenia crassiscolex</i> (Linstow 1890) (Dilepididae) from the digestive gland of <i>Oxychilus cellarius</i> (Müll) (Stylommatophora), with some observations on developmental stages

Rawson, Dilys; Rigby, Joyce E.

doi:10.1017/s0031182000025531

Cited by 13 publications

(9 citation statements)

References 6 publications

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“…In Aberystwyth, cysticercoids of this cyclophyllidean cestode were frequently recovered from the digestive gland of the glossy snail Oxychilus helveticus (Blum) and when fed to laboratory mice, the cysts were found attached to the upper small intestine after three days and started maturing 16 days after initial infection. Measurements of the adults and cysticercoids of C. crassiscolex closely resembled those made by Harper (1930), Joyeux & Baer (19366), Kisielewska (1958) and Rawson & Rigby (1960).…”

Section: New Host Record For Sorex Miiirtrrtssupporting

confidence: 73%

Studies on the helminth parasites of voles and shrews from Wales

Lewis

1968

Journal of Zoology

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The incidence and degree of infestation of the Bank vole, Clethrionomys glareolus, the Skomer vole, C. skomerensis, the Common shrew, Sorex araneus and the Pygmy shrew, S. minutus have been studied from a rough grassland and woodland area, Aberystwyth and from Skomer Island in Wales. In addition, small numbers of the Short‐tailed vole, Microtus agrestis and the Water shrew, Neomys fodiens were examined for helminth parasites, when they became available. Seven new host records and six new British records are listed. The number of species of helminths in shrews, which consisted largely of digeneans and cestodes, was greater than that in voles. This is undoubtedly linked with differences in the feeding habits of the two hosts. In Aberystwyth, where the composition of the helminth fauna was found to be more varied than that from Skomer Island, one species of nematode showed evidence of seasonal variation in the degree of infestation of Clethrionomys glareolus and four species, one digenean, two cestodes and one acantocephalan in Sorex araneus. The factors affecting this seasonal fluctuation in parasite numbers are discussed.

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Section: New Host Record For Sorex Miiirtrrtssupporting

confidence: 73%

Studies on the helminth parasites of voles and shrews from Wales

Lewis

1968

Journal of Zoology

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“…The cysticercoids of Choanotaenia crassiscolex recovered in the present study could be identified by the size, shape and number of the rostellar hooks. The size of the cysts was also similar to the size of those found by Harper (1930), Kisielewska (1958a) and Rawson & Rigby (1960). The latter authors gave a detailed description of the cysticercoids.…”

Section: Family Dilepididaesupporting

confidence: 84%

The morphology of hymenolepidid and dilepidid cestodes from common and pygmy shrews (Soricidae) in Southeast England

1994

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One hundred and six of 109 common shrews (Sorex araneus) and 62 of 72 pygmy shrews (S. minutus), obtained by Longworth trapping in Southeast England, were infected with cestodes. Ten species were recovered: Choanotaenia hepatica and Hymenolepis prolifer (found in S. araneus); Choanotaenia crassiscolex, Hymenolepis furcata, H. jacutensis, H. schaldybini, H. scutigera, H. singularis, H. diaphana and H. infirma (in both hosts). The morphology, taxonomy and ecology of these species are discussed and the findings of the present study are discussed with reference to previous studies of the helminth fauna of British shrews. Cysticercoids of C. crassiscolex were found in the snail, Vitrina pellucida, and cysticercoids of H. schaldybini in the staphylinid beetle, Anthobium unicolor.

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“…A pair of dorsolateral and a air of ventrolateral rostellar retraction muscles join the inner rostellar capsule to the outer rostellar capsule (Figs. 4, 5, 10; see also Rawson and Rigby 1960).…”

Section: Gross Anatomymentioning

confidence: 94%

The gross anatomy and histology of the nervous system of the metacestode of Hymenolepis microstoma

Webb¹,

Davey²

1975

Can. J. Zool.

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The central nervous system of the metacestode of Hymenolepis microstoma consists of three levels of ganglia. The bilateral cerebral ganglia, joined by a broad transverse commissure, are situated posteriad to the outer rostellar capsule. The bilateral rostellar ganglia, joined by a medial transverse commissure and a dorsal and a ventral circular commissure, are situated between the inner and outer rostellar capsules. The single rostral ganglion is found within the inner rostellar capsule. Numerous nerves and connectives are given off from the various ganglia; the nerves innervate the tissues and organs of the scolex and presumptive neck of the metacestode. Histologically, the ganglia and large commissures consist of a rind of nerve cell bodies surrounding a compact core of neuropile. A delimiting sheath or capsule is not present. Glial tissue is absent. Muscle cells, tegumental cells, and flame cells may interdigitate with the nerve cells. The nerve cell bodies give off numerous neurites that pursue a tortuous course through the neuropile.

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The functional anatomy of the cysticercoid of Choanotaenia crassiscolex (Linstow 1890) (Dilepididae) from the digestive gland of Oxychilus cellarius (Müll) (Stylommatophora), with some observations on developmental stages

Cited by 13 publications

References 6 publications

Studies on the helminth parasites of voles and shrews from Wales

Studies on the helminth parasites of voles and shrews from Wales

The morphology of hymenolepidid and dilepidid cestodes from common and pygmy shrews (Soricidae) in Southeast England

The gross anatomy and histology of the nervous system of the metacestode of Hymenolepis microstoma

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