Urinary System Flashcards
what is the fxns of urinary system?
Eliminate waste, maintain body fluid lvl, and maintains electrolyte balances and help regulate blood pressure
how much urine gets excreted a day?
1-2 L
what are the organs of urinary systems?
Kidneys (2), Ureters(2), Urinary Bladder, and Urethra
Upper pole of the kidneys are approximately at the lvl of …. and Lower pole of the kidneys are approximately at the lvl of…
T12, L3
how much do kidneys move when you stand after changing from supine to upright? How about when you breath?
2”, 1”
Kidneys are embedded in the…… and is covered by the…
Adipose Capsule, Renal Capsule
There are 2 layers of kidneys…
Cortex and Medulla
In the medulla of the kidneys, what major component is there? What does it contain?
Pyramids, contains tubules
when artery enters kidneys for filtration at the nephrons, what arterioles are involved? and which one forms a capillary around convoluted tubules then forms renal veins?
Afferent arterioles and Efferent Arterioles.
Efferent arterioles continue on to become capillary and then renal veins
Ureters originate from what in the kidneys?
Renal Pelvis
how does the urine travel from kidneys to the ureters?
By gravity and peristaltic movement
how long are the ureters?
10-12 inches/ 25-30cm
what structures do these ureters passes by? along side what? and anterior to what?
Passes alongside the transverse processes of the lumbar and anterior to the sacral wings
how much pee can the adult bladder hold? when does the micturition start?
500mL for holding, 250 for micturition
How long are urethra in different sexes?
1.5” for females and 7-8” for males
