roundworm

Thân thiện

A child learns about a roundworm in a biology textbook.

Definition

Noun: 1. A type of parasitic worm: A roundworm is an unsegmented worm with a long, cylindrical body that is typically pointed at both ends. Many species are parasites that live in the intestines of humans and other animals. 2. The infection caused by such a worm: The term can also refer to the disease or medical condition resulting from an infestation of these worms.

Usage

The word "roundworm" is primarily used in medical, veterinary, and biological contexts. It names both the organism itself and the infection it causes. * It functions as a countable noun (e.g., a roundworm, roundworms). * When referring to the disease, it is often used in a general sense (e.g., He has roundworm).

Examples

• Noun (Organism):
  • The veterinarian diagnosed the puppy with a roundworm infestation.
  • Roundworms are among the most common intestinal parasites in humans worldwide.
  • Under the microscope, the roundworm's simple digestive tract was visible.
• Noun (Infection):
  • Poor sanitation can lead to the spread of roundworm.
  • The symptoms of roundworm can include abdominal pain and malnutrition.

Advanced Usage

• "Roundworm infection": A more precise term for the disease caused by these parasites.
  • Mass drug administration is used to control roundworm infection in endemic areas.

Variants and Related Words

• Nematode (n): The scientific name for the phylum Nematoda, to which all roundworms belong. "Roundworm" is the common name for many parasitic nematodes.
  • While all roundworms are nematodes, not all nematodes are parasitic roundworms.
• Ascarid (n): A term often used specifically for roundworms of the family Ascarididae, which includes some common human and animal parasites.
  • Ascaris lumbricoides is a large intestinal ascari d, or roundworm, that infects humans.

Synonyms

• Nematode (scientific synonym)
• Helminth (broader term for parasitic worm)

Important Note on the Reference Context

The provided reference context describes a fungal infection of the skin (ringworm). This is incorrect for the word "roundworm." Roundworms are parasitic animals (worms), not fungi. The description in the reference context is for a completely different condition. The definition and explanation above are accurate for the term "roundworm."

Học thuật

Noun

1. unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
2. infections of the skin or nails caused by fungi and appearing as itching circular patches

Từ đồng nghĩa

• nematode
• nematode worm
• tinea
• ringworm