Observations on the Ultrastructure of the Excretory Canal of the Cestode, Spirometra erinacei

Shimane journal of medical science Volume 2 Issue 1 Page 1-14 published_at 1978-09-01
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Title
Observations on the Ultrastructure of the Excretory Canal of the Cestode, Spirometra erinacei
Creator
Yamane Yosuke
Yoshida Nobuo
Yazaki Seiichi
Maejima Joji
Source Title
Shimane journal of medical science
Volume 2
Issue 1
Start Page 1
End Page 14
Journal Identifire
ISSN 03865959
EISSN 24332410
Descriptions
The excretory system of the plerocercoid and the adult worm of Spirometra erinacei were studied using transmission and scanning electron microscopes. Attention was concentrated on flame cells, primary excretory ducts, secondary excretory ducts and collecting excretory canals. Special attention was paid to the basic structure of the duct wall with reference to functional morphology. The duct wall was composed of a superficial cytoplasmic layer and a fibrous basal membrane. Bleb-like protrusions were particularly conspicuous in the plerocercoid and in the neck of adult worm, while particles on the duct wall were observed mostly in the mature proglottid of the adult worm. The significance of these structures are discussed herein. Considering all the characteristics of the fine structure we suggest that the superficial layer of the duct wall is simultaneously functional in the exocytosis-endocytosis cycle and the apocrine secretion.
Subjects
cestode ( Other)
excretory canal ( Other)
SEM ( Other)
Language
eng
Resource Type departmental bulletin paper
Publisher
Shimane Medical University
Date of Issued 1978-09-01
Publish Type Version of Record
Access Rights open access
Relation
[NCID] AA00841586