Bothrio

Bothrio refers to a specific type of intestinal worm belonging to the cestode class, commonly known as tapeworms. These parasites are characterized by their flattened, segmented bodies and a scolex, which is the head-like structure used for attachment to the host's intestinal wall. The scolex typically possesses bothria, which are shallow, longitudinal grooves rather than suckers found in other tapeworms.

The life cycle of bothrio tapeworms involves at least two intermediate hosts, usually aquatic crustaceans and fish. Humans become infected by consuming raw or undercooked fish containing the larval stages of the parasite. Once ingested, the larvae develop into adult tapeworms in the human intestine, where they can grow to considerable lengths, sometimes several meters.

The most well-known example is Diphyllobothrium latum, often referred to as the broad fish tapeworm. Infection with bothrio tapeworms can lead to a condition called diphyllobothriasis. Symptoms are often mild or absent, but in some cases, can include abdominal discomfort, nausea, vomiting, diarrhea, and weight loss. A notable complication can be vitamin B12 deficiency due to the tapeworm's absorption of this nutrient, potentially leading to pernicious anemia. Diagnosis is typically made by identifying the characteristic eggs or proglottids (segments) in stool samples. Treatment usually involves antiparasitic medications.