Malpighian tubule system
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The Malpighian tubule system is a type of excretory and osmoregulatory system found in some insects, myriapods, arachnids and tardigrades. It has also been described in some crustacean species, and is
Stylised diagram of the last part of the insect's digestive tract showing malpighian tubule (orthopteran type)
Arachnocampa luminosa larvae
Malpighian tubules of a dissected cockroach, indicated by yellow arrow. Scale bar, 2 mm.
Hemolymph
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Hemolymph or haemolymph is a body fluid that circulates inside arthropod bodies transporting nutrients and oxygen to tissues, comparable with the blood in vertebrates. It is composed of a plasma in wh
A grasshopper has an open circulatory system, where hemolymph moves through interconnected sinuses or hemocoels, spaces surrounding the organs.