Ch. 12 Urinary System Key Terms
bladder
expands to fill with urine.
Cortex
outer section of the kidney
Glomerulus
cluster of capillaries
Homeostasis
constant state of natural balance in the internal environment of the body.
Medulla
inner section of the kidney.
Bowman's capsule
C-shaped structure that surrounds the glomerulus and is the start of the convoluted tubule.
Excretory system
responsible for removing certain wastes and excess water from the body and for maintaining the body's acid-base or pH balance.
Hilum
indented area through which the ureter, nerves, blood vessels, and lymph vessels enter and leave the kidney.
Kidneys
two bean-shaped organs
Nephrons
there’s more than a million per kidney.
Renal Pelvis
funnel-shaped structure that is the first section of the ureter.
Ureters
two muscular tubes approximately 10-12 inches in length.
Urethra
tube that carries the urine from the bladder to the outside.
Urinary
describes structures or functions that handle the substance
Urinary Meatus
External opening
Urinary System
also known as the excretory system, is responsible for removing certain wastes and excess water from the body and for maintaining the body's acid-base or pH balance.
Urine
end product of filtration process
Void
the action of emptying the bladder