스파르가눔 표피의 전자현미경적 관찰
Ultrastructural Observation on the Sparganum Tegument

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서울대학교 의과대학
Seoul J Med 1984;25(3):395-402
The tegument of Sparganum mansoni was observed
through scanning and transmission electron microscope
on the scolex , neck and tail parts.
The tegument had the general surface structure of
cestodes in all 3 parts observed. However, the microtriches
were observed in 3 types; pyramidal (Type
1), filariform (Type 2) and bulb·rooted (Type 3).
The pyramidal microtrix had a short proximal part
and a long and electron dense distal part. Both parts
revealed rhomboidal or triangular cut surface at cross
section. Microtriches of this type were abundantly
distributed on the tegument of scolex portion. It was
supposed to be related with the role of scolex , such
as movement, penetration into host tissue and survival
or positioning in the host. The filariform type microtrix
was short, slender and less electron dense. It was
the dominant type among those distributed on the
tegument of neck to tail portions. This type was
thought to be important in absorptive function of the
worm. The bulb·rooted microtrix had distinctively
wide and round proximal part, which was round in
cross sections. It randomly intervened among filariform
microtriches from neck to tai l. The microtrix of this
type was also considered to be the locus of membrane
phenomena of this larval cestode
The microtriches decreased in length and density
gradually from scolex to tai l. Also the packets of
secretory granule and pit organelle were observed in
tegumental and subtegumental layers
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 25 No.3 (1984)
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