|Statement||by P.W. Latham|
|Contributions||Royal College of Surgeons of England|
|The Physical Object|
|Pagination||52 p. ;|
|Number of Pages||52|
On the formation of uric acid in animals; its relation to gout and gravel, together with an explanation of the therapeutic effects of some of the remedies used in the treatment of those disorders. (Book, )  Get this from a library! MCQ on Animal Physiology - Excretion 1. Uric acid is the chief nitrogenous wastes in. a) frog. b) Birds. c) Fishes. d) Man. 2. In Cockroach, excretion is performed by. a) Renette cells. b) Flame cells. c) Nephridia. d) Malpighian tubules. 3. Guano refers to. Mammals also form some uric acid during breakdown of nucleic acids. Uric acid is a compound similar to purines found in nucleic acids. It is water insoluble and tends to form a white paste or powder; it is excreted by birds, insects, and : Charles Molnar, Jane Gair, Molnar, Charles, Gair, Jane. The synthesis of uric acid and excretion of urine with a high protein component is a metabolically expensive strategy that must have significant trade-offs to birds and other animals that have chosen this pathway for excreting nitrogenous waste : Shane Raidal, Scott Echols.
Genetic and physiological diversity. Primates. In humans and higher primates, uric acid (actually hydrogen urate ion) is the final oxidation (breakdown) product of purine metabolism and is excreted in urine, whereas in most other mammals, the enzyme uricase further oxidizes uric acid to al formula: C₅H₄N₄O₃. As the uric acid and uric salts build up in the blood, it crystallizes. When this occurs in the animal’s tissues, it forms tophi which are small white nodules. These can frequently be seen in the mouths of affected animals. Eating Guidelines for Gout Gout is a€type of arthritis. It occurs when high levels of uric acid cause crystals to form in your joints and soft tissues, leading to inflammation, pain and swelling. The amount of uric acid in your body depends on the following: The amount of uric acid . Uric acid is the ultimate catabolite of purine metabolism in humans and higher primates. It is a weak organic acid that under physiologic conditions exists mainly as a monosodium salt. At a pH less than , as may occur in the urine, the predominant form is nonionized uric acid. The solubility of monosodium urate is about 18 times greater than uric acid in aqueous solutions.
Mammals such as humans excrete urea, while birds, reptiles, and some terrestrial invertebrates produce uric acid as waste. Uricothelic organisms tend to excrete uric acid waste in the form of a white paste or powder. Conversion of ammonia into uric acid is more energy intensive than the conversion of ammonia into urea. When you have gout and urolithiasis with the stone formation of uric acid salts a special diet is appointed. This diet helps to normalize the metabolism of purines, reducing the formation of uric and its salts in the body, as well as alkalization of urine. the meat of young animals, offal (liver, kidneys, lungs), smoked meat and sauces. Mammals also form some uric acid during breakdown of nucleic acids. Uric acid is a compound similar to purines found in nucleic acids. It is water insoluble and tends to form a white paste or powder; it is excreted by birds, insects, and reptiles. Uric acid excretion is involved in calcium and also uric acid stone formation. Uric acid is an end product of purine metabolism, and dietary restriction of purines and animal protein will reduce its urinary excretion. Purine-rich foods include liver, kidney, brain, anchovies, sardines, herring, mackerel, mussels, scallops, goose, partridge, and.