Enlarged Kidney Model 1 Part Human Organ Model Medical Human Kidney Model

About the kidney knowledge

Function
The kidneys excrete a variety of waste products produced by metabolism into the urine. The microscopic structural and functional unit of the kidney is the nephron. It processes the blood supplied to it via filtration, reabsorption, secretion and excretion; the consequence of those processes is the production of urine. These include the nitrogenous wastes urea, from protein catabolism, and uric acid, from nucleic acid metabolism. The ability of mammals and some birds to concentrate wastes into a volume of urine much smaller than the volume of blood from which the wastes were extracted is dependent on an elaborate countercurrent multiplication mechanism. This requires several independent nephron characteristics to operate: a tight hairpin configuration of the tubules, water and ion permeability in the descending limb of the loop, water impermeability in the ascending loop, and active ion transport out of most of the ascending limb. In addition, passive countercurrent exchange by the vessels carrying the blood supply to the nephron is essential for enabling this function.

The kidney participates in whole-body homeostasis, regulating acid-base balance, electrolyte concentrations, extracellular fluid volume, and blood pressure. The kidney accomplishes these homeostatic functions both independently and in concert with other organs, particularly those of the endocrine system. Various endocrine hormones coordinate these endocrine functions; these include renin, angiotensin II, aldosterone, antidiuretic hormone, and atrial natriuretic peptide, among others.

    Founded in 2003, Xinxiang Vic Science&Education Co.,Ltd. is located in Xinxiang city near to the Yellow River and Zhengzhou Airport. We are a leading professional educational equipment manufacturer and supplier who integrates research, production and sales all together. We have almost 50 workers, 10 people are at R&D and quality control team, Our factory has got its ISO9001 certificates at 2018, CE certificates at 2019,and we have rich experience at product design and OEM, and professional process for export business, active and sincere service, Convenient and fast reaction, good after sale service.

    We specialize in manufacturing microscope prepared slides, biological specimens, teaching models, rock specimens, microtome, heating mantles, and other lab instruments with strong supply chain.

    We have won a very good reputation after more than 10 years export experience. We have taken part in many foreign exhibitions, such as 2014 Arab Lab fair，2018 Swiss education exhibition, Our products have been exported to USA, Australia, Russia, Germany, Italy,Brazil, Singapore, Malaysia, Pakistan, Dubai, Iran, Iraq, Dubai, Nigeria, Turkey, Japan and Korean.

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