MITOSIS
A type of indirect cell division as in asexual reproduction in
which replication of the chromosomes and regular
distribution of the daughter chromosomes to the daughter
nuclei are carried through a complex of four stages in which
the two daughter nuclei ultimately receive identical
compliments of the number of chromosomes as in the parent
cell.
MODE OF INFECTION
The means by which a parasite enters the host.
MONOECIOUS
Hermaphroditic; having male and female reproductive
systems in a single individual.
MONOXENOUS
Living within a single host throughout the entire life cycle of
the parasite.
MONOZOIC
A tapeworm whose strobila consists of a single unit.
MULTILOCULAR CYST
The larval form seen in Echinococcus multilocularis which
exhibits extensive exogenous budding in abnormal hosts,
with infiltration. Also called an alveolar hydatid.
MUTUALISM
A type of symbiosis in which both organisms benefit from the
association.
MYIASIS
Infection by fly maggots.
N
NECK
The area behind the scolex of a tapeworm which is
composed of germinative tissues from which proglottids
begin to form.
NEMATODA
The name given to the class of the true roundworms.
NERVE RINGS
A concentration of nerve elements around the esophageal
region of the nematode body.
NIDUS
A specific locality where a given disease exists; usually
resulting from ideal ecological factors.
NOCTURNAL
Exhibiting a frequency of occurrences at night, such as
PERIODICITY
certain filariid larvae found in greater numbers between
10 P.M. and 2 A.M.
MD0841
A-13