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Antennae (sg.: antenna) (sometimes referred to as "feelers") are paired appendages used for sensing in arthropods. Antennae are connected to the first one or two segments of the arthropod head. They vary widely in form but are always made of one or more jointed segments.
Coxal gland and its components. The coxal gland is a gland found in some arthropods, for collecting and excreting urine. They are found in all arachnids (with the exception of some Acari), and in other chelicerates, such as horseshoe crabs. [1] The coxal gland is thought to be homologous with the antennal gland of crustaceans.
The saccate metanephridia are excretory glands which function similarly to the metanephridia. They are found in the arthropods: coxal glands of arachnids, antennal (or green) glands and maxillary glands of crustaceans, etc. The saccate metanephridia filter the fluid of the hemocoel, as opposed to the metanephridia which filter coelomic fluid.
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These glands secrete a type of natural quick cement made of complex protein bonds (polyproteins) and other trace components like calcium. [ 10 ] : 2–3 This natural cement can withstand a pulling strength of 5,000 lbf/in 2 (30,000 kPa) and a sticking strength of 22–60 lbf/in 2 (200–400 kPa).
Rachael Ray Nutrish Thanksgiving dog food. Your dog will love having their own Thanksgiving meal this holiday season. This wet dog food is packed with fresh ingredients with real turkey being ...
Abludomelita obtusata, an amphipod. Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are a part of the subphylum Crustacea (/ k r ə ˈ s t eɪ ʃ ə /), a large, diverse group of mainly aquatic arthropods including decapods (shrimps, prawns, crabs, lobsters and crayfish), seed shrimp, branchiopods ...
Freshwater crustaceans of North America (1 C, 308 P) P. Crustaceans of Puerto Rico (4 P) U. Crustaceans of the United States (3 C, 49 P)