Urinary System Flashcards
what is the principle function of the urinary system?
REGULATION OF THE COMPOSITION AND VOLUME OF ECF
EXTRACELLULAR FLUID (ECF)
definition and examples
all the fluid in the body expect for that inside of cells
Examples:
INTERSTITIAL FLUID
PLASMA
KIDNEYS WORK DIRECTLY to maintain the composition and volume of
BLOOD PLASMA
THE COMPOSITION AND VOLUME OF ECF CANNOT VARY MUCH AT ALL without
serious consequences to body cells
in addition to regulating the composition and volume of ECF, the urinary system also has roles in the
- production of EPO
- activates CALCITRIOL
- regulates BLOOD PRESSURE
Principle organs of the urinary system
2 kidneys
2 ureters
1 urinary bladder
1 urethra
location of kidneys
RETROPERITONEAL
what surrounds the kidney
RENAL FASCIA
ADIPOSE CAPSULE
RENAL CAPSULE
there is _____ PROTECTING the kidneys posteriorly aside from the erector muscles
LITTLE
the indented portion of the kidney that faces medially
HILUM
kidneys consists of
OUTER CORTEX AND INNER MEDULLA
renal MEDULLA CONSISTS OF
several cone-shaped renal PYRAMIDS
papillary ducts lead through the renal papilla at the apex of a pyramid into small channels known as
MINOR CALYCES
minor calyces merge into larger
MAJOR CALYCES
major calyces merge into the single, large
RENAL PELVIS
the renal pelvis then narrow on its medial side to exit the kidney as a
URETER