Balantidium coli

MORPHOLOGY

CYST Balantidium_coli_trophozoite

TROPHOZOITE ad9c19e4f31fc3dfa1eb30e16434be24

Size 60 micro m length,45 micro m width

Cytostome--mouth

Sac like cavity--cytopharynx

Anal--cytopyge

Cilia--cytostome--adoral cilia

2 nuclei

Kidney shape--macro

Roind--micro

2 contractile vacuole

Osmotic pressure

Vacule--food

Propelling motility

Oval/round

Double layered cyst wall

2 nuclei

Macro

Micro

Contractile vacuole

Infective form

Size 40--60 micro m diameter

LIFE CYCLE

4 route --transmission Balantidium_LifeCycle_lg

PATHOGENESIS

Harmless parasite

Gets cured in 3days

Some cases --intestinal ulceration

1%cases--lymphadenopathy

Nausea, vomiting

DIAGNOSIS

Wet mount,iodine mount Fig-A-Direct-iodine-wet-mount-smear-preparation-shows-cyst-of-Entamoeba-coli

Stain--eosin/heamatozylin

Culture--diphasic,polyxenic media

Biopsy

Molecular --PCR,ELISA

TREATMENT

Tetracycline

Metronidazole

Single host-pigs