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medical importance of ARTHROPODS 1. • Arthropods are small invertebrate animals with jointed legs. •They have an external shell-like skeleton made of a tough, rigid material called chitin. •Their body parts and appendage segments are joined by flexible membranes which allow the various parts to move. 2.


The discipline of medical entomology, or public health entomology, and also veterinary entomology is focused upon insects and arthropods that impact human health. Veterinary entomology is included in this category, because many animal diseases can "jump species" and become a human health threat, for example, bovine encephalitis.


As far as human health is concerned, the two most important classes of arthropods are the insects (six-legged adults), and the arachnids (eight-legged adults). Of course, besides direct effects on human health, one must not lose sight of the economic consequences of infestation by certain arthropods -especially the effects of insects on crops.


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The pathogen develops and multiplies in the vector, and is transmitted to humans via the arthropod’s bite or excreta (mosquitos, tsetse-flies, body lice, fleas). Arthropods of medical importance include insects (class Insecta) and arachnids (class Arachnida). Of the arachnids, only mites and ticks (order Acarina) are vectors of diseases.


Medical Importance of Arthropods. STUDY. PLAY. How arthropods affect the health and well being of humans and animals. Direct agents of disease or comfort Vectors or developmental hosts of pathogens. Direct agents of disease or discomfort. Entomophobia and delusory parasitosis Annoyance and blood loss


Pests of Medical Importance. It is impossible to measure the full impact of insects and other arthropods on human health and welfare. These organisms have the capacity to inflict injury, disease, discomfort, or distress.


INTRODUCTION. Arthropods constitute the largest animal phylum, and yet a relatively small number of species are directly or indirectly related to public health ().Still, the relative importance of medical and public health entomology seems to be increasing (), with a worldwide resurgence of certain arthropods (e.g., bed bugs) and expanding ranges of others (e.g., mosquitoes and ticks) (4,– 8).


Arthropods are a popular source of foods to humans and also have other ecological roles. Some common arthropods that are good sources of food are crustaceans such as crabs and prawns. The arthropod class of animals includes insects, which also have important ecological and economic roles.


Arthropods get a bad rap, so much so that some people are either so terrified or disgusted by them -- think insects, arachnids and crustaceans -- that they're killed on sight. It may be hard to comprehend how something so small can have possibly the largest impact out of all orders of living creatures, but life on ...