Chapter 28 Urinary System Flashcards
The scientific study of the kidneys is?
Nephrology
The branch of medicine that deals with the urinary system?
Urology
Name the 5 essential functions of the kidneys?
Regulates: blood ion levels, blood volume and pressure, blood Ph, also produces hormones, excretes waste
Which kidney is lower in the body than the other? Why?
Right kidney is lower because the liver occupies space above it
External indentation of median border of kidney where blood vessels and ureter enter and exit the kidney is called?
Renal hilum
Renal arteries deliver what percentage of resting cardiac output to kidneys?
20-25%
The outer internal region of the kidneys, light red in color, is known as?
Renal cortex
Inner internal region of the kidney, dark red in color is?
Renal medulla
Inside the renal medulla are several come-shaped structures called?
Renal pyramids
The apex (narrow side) of the renal pyramids are known as? They always face the median side.
Renal papilla
Urine formed inside the kidney drains into this large, funnel-shaped cavity. Contains calyces.
Renal pelvis
Urine leaves the kidney vis this duct to go to bladder
Ureter
Tangled blood capillary networks that divide off of afferent arterioles are called?
Glomerulus
Efferent arterioles divide to form capillary networks around kidney tubules called?
Peritubular capillaries
True or false: the number of nephrons in a persons kidneys is set after puberty.
False: it’s set after birth
