Coccidian II Flashcards
Though rare, it has a wide geographical distribution (higher prevalence in warmer climates).
Isospora Belli
The least common of the intestinal coccidia that infect humans.
Isospora Belli
Can cause severe disease with fever, malaise, persistent diarrhea and even death in AIDS patients.
Isospora Belli
Monoxenous (required one host) , probably not zoonosis: Asexual and sexual multiplication occurs in man.
Isospora Belli
Mode of Transmission: Human are probably infected by accidental hand-to-mouth ingestion of mature oocyst in food and water.
Isospora Belli
Habitat: Distal duodenum and proximal jejunum.
Isospora Belli
It may be from mild gastrointestinal distress to severe dysentery.
Clinical Manifestations — Isospora Belli
The loose, pale yellow and foul-smelling stools are suggestive of?
Malabsorption process
Infections are often asymptomatic and self -limiting.
Clinical Manifestations — Isospora Belli
There may be diarrhea over a period of several months to 15 years.
Clinical Manifestations — Isospora Belli
There may be chronic diarrhea, vague or crampy abdominal pain, weight loss, weakness, malaise and anorexi
Clinical Manifestations — Isospora Belli
The name is dervived from Greek: sarx means?
flesh
cystis means
bladder
rare human infection.
Sarcocystis
heteroxenous parasite
Sarcocystis
originally identified as 2 species.
Sarcocystis
taxonomic confusion
Sarcocystios
[2] generally named after host species
- Sarcocystis hominis
- Sarcocystis suihominis
[2] heteroxenous parasite
- predator-prey life cycle
- humans support both stages
originally identified as [2] species
intestine - isospora
tissue - sarcocystis
First human case reported in 1976.
Cryptosporidium spp.