tailieunhanh - Ebook Color atlas of human anatomy Vol.2 - Internal organs (5th edition): Part 2

(BQ) Part 2 book "Color atlas of human anatomy - Internal organs" presents the following contents: Urinary system, male genital system, fernale genital system, pregnancy and human development, endocrine system, blood and lymphatic systems, the integument. | 230 Urinary System Overview Urinary System Overview The organs of the urinary and genital systems have traditionally been grouped together as the urogenital system. a term that reflects their common embryologtcal origin but IS less suitable for describing morphological and functional aspects of mature organ systems. This book therefore presents the organs of the urinary system and the male and female genital systems in separate consecutive chapters followed by a chapter companng the topographical anatomy of the male and female pelves which house most of the organs of the urinary and genital systems. Organization and Position of the Urinary Organs The organs of the urinary system consist of the paired kidneys A Cl the paired renal pelves BC2 the paired ureters A-CJ the unpaired urinary bladder ỊAB4I and the urethp A5 . Functional arrangement. 1 he organs of the urinary system can be divided into those that are involved in urine formation and those involved in Its excretion Urine IS pro-dui ed and concentrated in the kidney from an ultrafiltrate of blood plasma. It IS collected by the renal pelvis and transported into the ureter which empties into the urinary bladder. There It IS briefly stored before being excreted via the urethra. Regional arrangement. The organs of the urinary system lie outside of the peritoneum lining the abdominal cavity. They are situated either in the retroperitoneal space or in the connective tissue of the lesser pelvis known as the subperitoneal space see p. 2 k The kidneys and the larger proximal part of the ureter are situated in the retroperitoneal space while the distal part of the ureter the urinary bladder and the female urethra are located in the1 subperi-toneal space. The male urethra leaves the lesser pelvis after a short distance and then continues in the male sex organ the penis Retroperitoneal Space lhe retroperitoneal space I Ci lies in front of the vertebral column and behind the peritoneal cavity. On either side of the .

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