Question:
Which one of the following morphological features is related to Trichuris ovis?
Which one of the following morphological features is related to Trichuris ovis?
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Parasite Morphologies:
Trichuris spp. $\rightarrow$ Whip-like body (Whipworm).
Strongylus $\rightarrow$ Leaf crowns (Corona radiata).
Trichostrongylus $\rightarrow$ Boot-shaped spicules.
Spirocerca $\rightarrow$ Spirally coiled tail.
Trichuris spp. $\rightarrow$ Whip-like body (Whipworm).
Strongylus $\rightarrow$ Leaf crowns (Corona radiata).
Trichostrongylus $\rightarrow$ Boot-shaped spicules.
Spirocerca $\rightarrow$ Spirally coiled tail.
Updated On: Sep 7, 2026
- Spirally coiled spicule
- Whip like appearance of the parasite
- Presence of leaf crowns
- Boot shaped spicules
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Diagnostic morphological anatomy of trichuroid nematodes (whipworms) in livestock and domestic animals.
Step 2: Detailed Explanation:
Morphological characteristics of {Trichuris ovis (the sheep whipworm):
- The adult worm (length $50 - 80\text{ mm}$) exhibits a characteristic 'whip-like' dimorphic body shape:
1. The anterior two-thirds of the body is extremely slender, thin, and whip-like, containing a cellular stichosome esophagus.
2. The posterior one-third of the body is thick, stout, and handle-like, housing the reproductive organs and intestine.
- Adult worms thread their thin anterior end deeply into the cecal and colonic mucosa of sheep and goats.
Step 3: Final Answer:
Hence, the feature related to Trichuris ovis is Whip like appearance of the parasite, corresponding to option (B).
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