T.trichiura Flashcards
(15 cards)
What is the common name for Trichuris trichiura?
Human whipworm
What is the primary habitat of Trichuris trichiura in humans?
Small Intestine
What is the mode of transmission for Trichuris trichiura?
Ingestion
What is the infective stage of Trichuris trichiura?
Embryonated egg
What is the diagnostic stage of Trichuris trichiura?
Ova in stool
Does Trichuris trichiura undergo migration in the human body?
None (The larvae hatch in the small intestine and then move to the large intestine, particularly the cecum and colon, where they mature.)
What are the common laboratory diagnostic methods for Trichuris trichiura?
Demonstration of egg in feces (DFS, Kato-Katz, FECT)
What are some key pathological manifestations of Trichuris trichiura infection?
Rectal prolapse, rectal bleeding (whipworm dysentery) with abdominal cramps, blood-streaked diarrhea, and severe rectal tenesmus.
What type of anemia can Trichuris trichiura infection cause?
Iron deficiency anemia (due to malnutrition & blood loss)
What substance does Trichuris trichiura secrete to embed itself into the intestinal wall?
TT47
Describe the general morphology of a Trichuris trichiura egg (size, shape, color).
50-54 um by 23 um, barrel-shaped with protruding mucous plug at each pole. Yellow to brown in color, and plugs colorless.
Is the Trichuris trichiura ovum segmented or unsegmented?
Unsegmented ovum
Do Trichuris trichiura eggs float in saturated salt solution?
Yes, they float.
What are some prophylactic measures against Trichuris trichiura infection?
Sanitary disposal of feces, avoiding consumption of raw veggies, treatment of infected persons.
What is a common treatment for Trichuris trichiura infection?
Oral administration of mebendazole
