HYDATIC
The larval cyst of cestodes of the genus Echinococcus which
may contain many budding or free protoscolices and brood
capsules.
HYPERPARASITISM
The condition where an organism is the parasite of another
parasite.
I
IMMUNOGENIC
A substance stimulating the production of antibody and
thereby conferring immunity.
INCIDENTAL PARASITE A parasite that has become established in a host other than
its natural host. Also called an accidental parasite.
INDIRECT LIFECYCLE
A cycle in which a parasite requires a period of transition t
hrough a host of a different species (an intermediate host)
before transmission back to the original host species.
INFECTIVE FORM
The stage in the life cycle of a parasite capable of infecting
the host.
INTERMEDIATE HOST
That which harbors the immature, larval, or the asexually
reproducing forms of the parasite.
J
JUVENILE
The young or immature stage of a helminth prior to
becoming an adult.
K
KALA-AZAR
A disease (visceral leishmaniasis) caused by Leishmania
donovani. Also called Dum-dum fever.
KARYOSOME
One of the chromatin masses at or near the center of the
nucleus which tends to stain more intensely than other
nuclear components.
KINETOPLAST
A conspicuous part of a mitochandrion in a trypanosome
usually near the kinetosome and associated with the motor
activities of the cell.
KINETOSOME
A centriole from which an axoneme arises; also called a
basal body or blepharoplast.
MD0841
A-10