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TEM ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae).
Korean J Parasitol. 1995 Sep; 33(3):165-72.KJ

Abstract

A transmission electron microscopic study was performed on the ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae) metacercariae and adults. The metacercariae were obtained from naturally infected oysters, Crassostrea gigas, and the adults from experimentally infected C3H mice. The tegumental layer generally revealed a small number of foldings, numerous small vacuoles, sines, and muscle bundles. Beneath the muscle layer, nuclei of the tegumental cells were located. There was little difference in the structure of the tegument between the metacercariae and adults. The oral sucker, having well-developed muscle layers, showed a similar structure to the ventral sucker except numerous foldings in the ventral sucker. The ventral pit was surrounded by a thin syncytial layer, where a number of microtubules and mitochondria were seen. Around the ventral pit located well-developed circular and longitudinal muscles. The results showed that the ultrastructure of the tegumental layer of G. seoi metacercariae and adults revealed little difference from other trematodes in general. The ventral pit, a peculiar structure of this trematode, seems to function as a sphincter or an accessory adhesive organ.

Authors+Show Affiliations

Department of Parasitology, Seoul National University College of Medicine, Korea.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

8528622

Citation

Seo, M, et al. "TEM Ultrastructure of the Tegumental Layer of Gymnophalloides Seoi (Digenea: Gymnophallidae)." The Korean Journal of Parasitology, vol. 33, no. 3, 1995, pp. 165-72.
Seo M, Chai JY, Lee SH. TEM ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae). Korean J Parasitol. 1995;33(3):165-72.
Seo, M., Chai, J. Y., & Lee, S. H. (1995). TEM ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae). The Korean Journal of Parasitology, 33(3), 165-72.
Seo M, Chai JY, Lee SH. TEM Ultrastructure of the Tegumental Layer of Gymnophalloides Seoi (Digenea: Gymnophallidae). Korean J Parasitol. 1995;33(3):165-72. PubMed PMID: 8528622.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - TEM ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae). AU - Seo,M, AU - Chai,J Y, AU - Lee,S H, PY - 1995/9/1/pubmed PY - 1995/9/1/medline PY - 1995/9/1/entrez SP - 165 EP - 72 JF - The Korean journal of parasitology JO - Korean J Parasitol VL - 33 IS - 3 N2 - A transmission electron microscopic study was performed on the ultrastructure of the tegumental layer of Gymnophalloides seoi (Digenea: Gymnophallidae) metacercariae and adults. The metacercariae were obtained from naturally infected oysters, Crassostrea gigas, and the adults from experimentally infected C3H mice. The tegumental layer generally revealed a small number of foldings, numerous small vacuoles, sines, and muscle bundles. Beneath the muscle layer, nuclei of the tegumental cells were located. There was little difference in the structure of the tegument between the metacercariae and adults. The oral sucker, having well-developed muscle layers, showed a similar structure to the ventral sucker except numerous foldings in the ventral sucker. The ventral pit was surrounded by a thin syncytial layer, where a number of microtubules and mitochondria were seen. Around the ventral pit located well-developed circular and longitudinal muscles. The results showed that the ultrastructure of the tegumental layer of G. seoi metacercariae and adults revealed little difference from other trematodes in general. The ventral pit, a peculiar structure of this trematode, seems to function as a sphincter or an accessory adhesive organ. SN - 0023-4001 UR - https://www.unboundmedicine.com/medline/citation/8528622/TEM_ultrastructure_of_the_tegumental_layer_of_Gymnophalloides_seoi__Digenea:_Gymnophallidae__ L2 - http://www.parasitol.or.kr/kjp/DOIx.php?id=10.3347/kjp.1995.33.3.165 DB - PRIME DP - Unbound Medicine ER -