CH. 07.12 KEY TERMS
bladder
a hollow, muscular sac that lies behind the symphysis pubis and at the midline of the pelvic cavity
hilum
a notched or indented area through which the ureter, nerves, blood vessels, and lymph vessels enter and leave the kidney.
renal pelvis
a funnel-shaped structure that is the first section of the ureter
urine
the liquid waste product produced by the urinary system
bowman's capsule
a C-shaped structure that surrounds the glomerulus and is the start of the convoluted tubule
homeostasis
a state of equilibrium or constant state of natural balance in the internal environment of the body
ureters
two muscular tubes approximately 10-12 inches in length. One extends from the renal pelvis of each kidney to the bladder.
void
to urinate or micturate that occurs when the bladder contains approximately 250 milliliters of urine.
cortex
the outer section of the kidney that contains most of the nephrons, which aid in the production of urine.
kidneys
two bean-shaped organs located on either side of the vertebral column, behind the upper part of the abdominal cavity, and separated from this cavity by the peritoneum. They’re protected by the ribs and a heavy cushion of fat.
urethra
the tube that carries the urine from the bladder to the outside
excretory system
another word for urinary system - responsible for removing certain wastes and excess water from the body and for maintaining the body’s acid-base or pH balance.
medulla
the inner section of the kidney. It contains most of the collecting tubules, which carry the urine from the nephrons through the kidney.
urinary meatus
the external opening
glomerulus
a cluster of capillaries
nephrons
microscopic filtering units located in the kidneys. There is more than one million in each kidney
urinary system
another word for excretory system - responsible for removing certain wastes and excess water from the body and for maintaining the body’s acid-base or pH balance.