条虫, commonly known as a tapeworm, is a type of parasitic flatworm that lives in the intestines of various animals, including humans. These worms can grow to significant lengths and are typically segmented, with each segment capable of producing eggs. Tapeworms are usually contracted through the consumption of undercooked or contaminated food. Infection with a tapeworm can lead to various health issues, such as abdominal pain, weight loss, and nutritional deficiencies. Treatment often involves medication that targets the parasite, and prevention includes proper food handling and cooking practices to avoid contamination with 生肉 or 水.