A groove-like sucking organelle used for attachment on the
scolex of a pseudophyllidean tapeworm.
A small slowly developing stage within zoitocysts of the
genera Sarcocystis and Toxoplasma.
A small cyst that develops along the inner laminated
membrane of a unilocular hydatid cyst containing several
protoscolices, seen in the genus Echinococcus.
A small cuticular lined space in most nematodes between
the mouth and esophagus.
A cleansing or purgation of the intestines.
A position toward the tail or posterior region.
The blind sac-like digestive organ extending posteriorly from
the esophagus as seen in the class Trematoda.
Cuticular wing-like expansions located near the neck or head
region of certain nematodes.
The final free-swimming larval stage of a trematode parasite
produced by asexual reproduction in the intermediate host,
consisting of a body and tail.
The name given to the class of the Platyhelminthes which
includes the tapeworm; also called Cestoda.
A disease of humans and other mammals caused by the
flagellate Trypanosoma cruzi.
Double rhomboid crystalline structures which terminate
in needle-Iike points at each end. They are found wherever
osinophilic leukocytes are being fragmented and are
A white insoluble high molecular weight polysaccharide
hought to be one of the principal constituents in formation of
the mid-shell layers of the eggs of certain nematodes.
A form of the Trypanosomatidae with the flagellum emerging
from a collar-like process as in Crithidia.