Lec.4
Medical Parasitology (endoparasites)
Class : Flagellata
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Assist. Prof. Dr. Amal KH. KH.
Lec.4
Medical Parasitology (endoparasites)
Flagellata : Hemoflagellates
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Morphological forms
The haemoflagellates occur in various morphological forms .
these forms . these forms are
:
1.amastigote
2.promastigote
3.epimastigote
4.trypomastigote
Morphology
Typical morphology
L. tropica
L. tropica Minor :
L. tropica major
Cutaneous leishmaniasis
Baghdad boil , Oriental sore
Morphology
Pathology & Clinical
manifestation
Formation of Baghdad boil
Comparison between :
-L. tropica minor: (causes dry sore or
urban Cutaneous leishmaniasis).
1. Produce chronic disease that if not
treated, lasts for year or longer.
2. with 2month
– 3year incubation
period
3. It is characterized by the production
of dry lesions that ulcerate only after
several months .
4. The lesions occur primarily on the
face.
5. The lesions are dry and non
ulcerated.
6. It is found in urban areas, it is found
in Iraq and around the
7. The dog may be a natural host.
L. tropica major: (causes wet sore or
rural Cutaneous leishmaniasis).
1. Produces an acute infection with
duration of 3-6 months.
2. With as little as 2 weeks incubation
period.
3. The lesions occur primarily on the
lower limb.
4. The lesions are moist and tend to
ulcerate very early.
5. There may be secondary or satellite
lesions.
6. It is primarily a disease of rural
areas.
7. Reservoir hosts (Rodents) are
important source of human
infection.
Diagnosis
Results
