Surface ultrastructure of newly excysted metacercariae of Paragonimus heterotremus.
The newly excysted metacercariae of P. heterotremus were examined by scanning electron microscopy (SEM). Large dome-shaped papillae, small ones with a pit, and small ones with a smooth surface were observed around the suckers. The number of the small dome-shaped papillae with a pit was about 30 around the oral sucker and that of the small ones with a smooth surface varied from 9 to 13 around the ventral sucker. The present report is the first record of excysted metacercariae of P. heterotremus examined by SEM.
Laboratory of Veterinary Pathology, College of Agriculture, University of Osaka Prefecture, Japan.
H
H
Sugiyama
T
T
Horiuchi
T
T
Tomimura
T
T
Shibahara
T
T
Agatsuma
S
S
Habe
K
K
Kawashima
P
P
Ketudat
S
S
Thaithong
D000818:Animals; D007814:Larva; D008855:Microscopy, Electron, Scanning; D010238:Paragonimus / Q000648:ultrastructure*