Hostname: page-component-78c5997874-4rdpn Total loading time: 0 Render date: 2024-11-16T20:54:56.749Z Has data issue: false hasContentIssue false

A report on the occurrence of microvillus-like structures in the caeca of certain trematodes (Paramphistomatidae)

Published online by Cambridge University Press:  06 April 2009

R. M. Wotton
Affiliation:
Department of Anatomy, School of Medicine, Louisiana State University, New Orleans 12, La., and the Department of Zoology, Tulane University, New Orleans 18, Louisiana
F. Sogandares-Bernal
Affiliation:
Department of Anatomy, School of Medicine, Louisiana State University, New Orleans 12, La., and the Department of Zoology, Tulane University, New Orleans 18, Louisiana

Extract

The observations presented in this study indicate that the filose projections emerging from the apical or luminal surface of the epithelial cells lining the caeca of the trematodes Cleptodiscus kyphosi and C. reticulatus are sterocilia or microvilli. Their activity in the animal appears to be concerned with the absorption of substances from the lumen of the blindly ending caeca rather than with movement of material.

Acknowledgement is made that part of this work was carried out in the Department of Zoology and Anatomy of the University of Nebraska, Lincoln, Nebraska, and supported in part by a grant from the Nebraska Heart Association for 1959.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1963

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Beckett, E. B. & Boothroyd, B. (1960). The Ultrastructure of the ‘cilia-like’ processes in the midgut of Trichinella spiralis larvae. Proc. European Regional Conf. on Electron Microscopy, Delft, 2, 938–41.Google Scholar
Beckett, E. B. & Boothroyd, B. (1961). Some observations on the fine structure of the mature larva of the nematode, Trichinella spiralis. Ann. Trop. Med. Parasit. 55, 116–24.CrossRefGoogle ScholarPubMed
Browne, H. G. & Chowdhury, A. B. (1959). The ultrastructure of the intestinal wall of Ancylostoma caninum. J. Parasit. 45, 241–8.CrossRefGoogle ScholarPubMed
Byrd, E. E. (1935). Life history studies of Reniferinae (Trematoda, Digenea) parasitic in Reptilia of the New Orleans area. Trans. Amer. micr. Soc. 54, 196225.CrossRefGoogle Scholar
Carleton, H. M. & Drury, R. A. B. (1957). Histological Technique, pp. 50 and 143. London: Oxford University Press.Google Scholar
Fawcett, D. W. & Porter, K. R. (1954). A study of the fine structure of ciliated epithelia. J. Morph. 94, 221–81.CrossRefGoogle Scholar
Fleming, W. D. (1943). A high index mounting medium for microscopy. J. R. micr. Soc. 63, 34–7.CrossRefGoogle Scholar
Granger, B. & Baker, R. F. (1950). Electron microscope investigations of the striated border of intestinal epithelium. Anat. Rec. 107, 423–41.CrossRefGoogle ScholarPubMed
Gresson, R. A. R. & Threadgold, L. T. (1959). A light and electron microscope study of the epithelial cells of the gut of Fasciola hepatica L. J. Biophys. Biochem. Cytol. 6, 157–62.CrossRefGoogle ScholarPubMed
Palay, S. L. & Karlin, L. J. (1959). An electron microscopic study of the intestinal villus. II. The pathway of fat absorption. J. Biophys. Biochem. Cytol. 5, 373–84.CrossRefGoogle ScholarPubMed
Romeis, B. (1948). Mikroskopische Technik, pp. 159 and 344. München: Leibniz Verlag.CrossRefGoogle Scholar
Sobotta, J. (1930). Human Histology and Microscopic Anatomy. 1, p. 36. New York: Stechert Co.Google Scholar