MALPIGHIAN TUBULES Meaning and
Definition
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Malpighian tubules are excretory organs found in many insects and other arthropods. They serve as the primary means of excreting waste products from the circulatory system into the digestive system for removal from the organism. These tubules are named after Marcello Malpighi, an Italian biologist, who first described them in 1669.
The Malpighian tubules are typically long, thin, blind-ended tubes located in the abdominal region of the arthropod. They are lined with specialized cells that actively transport metabolic wastes, such as uric acid, and other impurities from the hemolymph (the insect's blood-like circulatory fluid). The tubules then transport the waste materials into the insect's digestive system, where they are expelled along with feces.
One of the key functions of Malpighian tubules is osmoregulation, which involves maintaining the balance of water and solutes in the insect's body. These structures actively regulate the concentration of ions and solutes in the hemolymph to prevent the buildup of toxic substances. Additionally, Malpighian tubules play a role in maintaining fluid balance, preventing dehydration and aiding in eliminating excess water from the body.
Overall, Malpighian tubules are important excretory structures in various arthropods, allowing for the removal of metabolic wastes and the regulation of fluid and ion balance. Their functional role helps to maintain the health and internal stability of these organisms.
Common Misspellings for MALPIGHIAN TUBULES
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Etymology of MALPIGHIAN TUBULES
The term Malpighian tubules is named after the Italian anatomist Marcello Malpighi, who discovered and described these structures in insects in the 17th century. Malpighi contributed significantly to the field of anatomy and made many important discoveries, including the observation of the tubules in insects, which are involved in excretion and osmoregulation. Hence, they were named in his honor as Malpighian tubules.
