Urinary system - Human RNA
The urinary tract of the excretory system is the apparatus for the removal of the products of catabolism from a vertebrate in a liquid form, the urine, and thus ensures the purification of the blood and the maintenance of homeostasis within the body.
The urethral cellular system stores and excretes urine from the body. In addition, in men, the urethra is used for both urination and ejaculation. Endothelial cells, smooth muscle cells, urothelial cells and fibroblasts are vital components necessary for the normal development and function of the urethra and bladder. Abnormal proliferation and regulation of urethral cells contribute to the development of diseases such as bladder and urethral cancer. We propose different types of normal human primary cells in the urethral cell system, including: bladder microvascular endothelial cells, bladder smooth muscle cells, bladder stromal fibroblasts and urothelial cells.