Enterobius vermicularis is commonly called:
a. Hookworm
b. Pinworm
c. Whipworm
d. Tapeworm

Verified step by step guidance

1. Step 1: Understand that Enterobius vermicularis is a parasitic worm that infects the human intestine, particularly common in children.
2. Step 2: Recall the common names of various intestinal worms: hookworm, pinworm, whipworm, and tapeworm, each corresponding to different species.
3. Step 3: Identify that Enterobius vermicularis is specifically known for causing a condition called enterobiasis, which is commonly associated with intense itching around the anus.
4. Step 4: Recognize that the common name for Enterobius vermicularis is 'pinworm' due to its small, pin-like appearance.
5. Step 5: Therefore, match Enterobius vermicularis with the correct common name from the options provided, which is 'pinworm'.

Key Concepts

Enterobius vermicularis

Enterobius vermicularis is a parasitic nematode known for infecting the human intestine, especially in children. It is the causative agent of enterobiasis, characterized by perianal itching. Understanding its biology helps in identifying the correct common name.

Common Names of Intestinal Nematodes

Intestinal nematodes have specific common names based on their morphology and infection patterns. For example, hookworms attach to the intestinal wall, whipworms have a whip-like shape, pinworms are small and thread-like, and tapeworms are flat and segmented.

Differentiation of Parasitic Worms

Differentiating parasitic worms involves recognizing their life cycles, morphology, and symptoms they cause. Pinworms (Enterobius vermicularis) are distinguished by their small size and perianal egg-laying behavior, unlike hookworms or tapeworms which have different infection sites and clinical features.