What is Pediculus Humanus (Lice)? Lice are small, parasitic insects that belong to the order Phthiraptera and are known for their obligatory ectoparasitic lifestyle. Over 550 species of lice have been identified worldwide, and they typically infest humans, cattle, and other animals. These insects are dorsoventrally flattened and wingless, making them well-adapted to their parasitic … Read more
What are Ticks? Definition of Ticks Ticks are small, parasitic arachnids belonging to the order Ixodida, feeding on the blood of mammals, birds, reptiles, and amphibians. They are classified into two main families: Ixodidae (hard ticks) and Argasidae (soft ticks). Ticks have a complex life cycle that includes four stages: egg, larva, nymph, and adult, … Read more
What are Mites? Definition of Mites Mites are tiny arachnids, usually less than 1 mm in size, that belong to the Acariformes and Parasitiformes orders. They live in various environments, such as soil, water, plants, and animals, and can be decomposers, predators, or parasites. While most mites are harmless, some can cause allergies or transmit … Read more
What is lesion nematode? Symptoms of lesion nematode Lesion nematode infestations can cause a range of symptoms in both herbaceous and woody plants, primarily affecting root systems and leading to noticeable aboveground effects. The severity of symptoms depends on nematode population levels, environmental conditions, and plant susceptibility. The following list outlines key symptoms and contributing … Read more
What is Root knot nematode? Life cycle of Meloidogyne incognita The life cycle of Meloidogyne incognita, a root-knot nematode, follows a highly specialized sequence of stages that allows it to effectively parasitize plant roots. The process begins with the egg and progresses through four juvenile stages (J1, J2, J3, J4) before reaching adulthood. Understanding these … Read more
What is Trichinella spiralis? History and Distribution of Trichinella spiralis Trichinella spiralis is a tissue nematode known as the causative agent of trichinosis, a significant zoonotic disease impacting human health. Its historical context and distribution reveal critical insights into its epidemiology and the public health challenges it poses. Habitat of Trichinella spiralis The habitat of … Read more
Lymphatic filariasis is a parasitic disease caused by three microscopic, thread-like worms, called Wuchereria bancrofti, Brugia malayi and Brugia timori. These worms infect the lymphatic system and cause Lymphatic filariasis. The adult worm can be found in the human lymph system, this system helps to maintain the body’s fluid balance and fights against infections.
What is Ancylostoma duodenale? Characteristics of Ancylostoma duodenale Roundworms, belonging to the phylum Nematoda, encompass a diverse group of organisms with varied lifestyles. Among them, Ancylostoma duodenale stands out as a significant parasitic nematode, commonly known as the Old World hookworm. This species primarily infects the small intestine of its hosts, including humans, and is … Read more
What is Ascaris lumbricoides? History and Distribution of Ascaris lumbricoides Ascaris lumbricoides has a long and complex history, having been recognized since ancient times. Its resemblance to the earthworm led to frequent confusion, contributing to its nomenclature. The specific name “lumbricoides” derives from the Latin word Lumbricus, meaning earthworm, highlighting this physical similarity. The following points … Read more
What is Hymenolepis nana? History and Distribution of Hymenolepis nana Hymenolepis nana, known as the dwarf tapeworm, has a significant historical and geographical context that sheds light on its prevalence and impact on human health. The name “Hymenolepis” originates from the Greek words for membrane and covering, referring to the thin shell surrounding its eggs, … Read more
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