The Urinary System School of Basic Medical Science of Jiujiang University. David Fu. Urinary System. Functions
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The Urinary SystemSchool of Basic Medical Science of Jiujiang University
To excrete the waste products, such as urea and uric acid, excess water and some inorganic salts, so as to regulate the composition of the internal environment of the body, in terms of water content, osmotic relations and acid-base balance. The female urethra is an urinary duct, while the male urethra serves urinary and genital functions.
Each kidney has two extremities, two surfaces and two borders.
from anterior to posterior－V. A. P.
from superior to inferior－A. V. P.
(7 ～ 8)
－which is the renal hilum leads into a space within the kidney, the renal sinus is occupied by the renal vessels, minor renal calices, major renal calices, renal pelvis and some adipose tissue
renal calculus or kidney stone
Posterior urethra－prostatic part and membranous part
Anterior urethra –-cavernous part
Three enlarged parts