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Advanced Medical Terminology
Lesson 7: Urinary System
87
Medical
Professional
04/17/2008

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Term
ARTERIOLE
Definition
Small artery
Term
BOWMAN CAPSULE
Definition
Enclosing structure surrounding each glomerulus.
Term
CALYX, CALIX (PL. CALYCES, CALICES)
Definition
Cup-like collecting region of the renal pelvis.
Term
CATHETER
Definition
Tube for injecting or removing fluids.
Term
CORTEX
Definition
Outer region; the renal cortex is the outer region of the kidney (cortical means pertaining to the cortex).
Term
CREATININE
Definition
Waste product of muscle metabolism; nitrogenous waste excreted in urine. Creatinine clearance is a measure of the efficiency of the kidneys in removing creatinine from the blood.
Term
ELECTROLYTE
Definition
A chemical element that carries an electrical charge when dissolved in water. Electrolytes are essential to cellular function and transmission of impulses in nerve and muscle fibers.
Term
ERYTHROPOIETIN (EPO)
Definition
A hormone secreted by the kidney to stimulate the production of red blood cells by bone marrow.
Term
FILTRATION
Definition
Passive process whereby some substances, but not all, pass through a filter or other material.
Term
GLOMERULUS (GLOMERULI)
Definition
Tiny ball of capillaries (microscopic blood vessels) in the cortex of the kidney.
Term
HILUM
Definition
Depression or hollow in that part of an organ where blood vessels and nerves enter and leave.
Term
KIDNEY
Definition
One of two bean-shaped organs behind the abdominal cavity on either side of the backbone in the lumbar region.
Term
MEATUS
Definition
Opening or canal
Term
MEDULLA
Definition
Inner region; the renal medulla is the inner region of the kidney (medullary means pertaining to the medulla).
Term
MICTURITION
Definition
Urination; the act of voiding.
Term
NEPHRON
Definition
Combination of glomerulus and renal tubule where filtration, reabsorption, and secretion take place in the kidney. It is the functional unit of the kidney, each capable of forming urine by itself.
Term
NITROGENOUS WASTE
Definition
Substance containing nitrogen and excreted in urine.
Term
POTASSIUM (K+)
Definition
An electrolyte important to body processes. The kidney regulates the balance of potassium concentration within the blood.
Term
REABSORPTION
Definition
In this process, the renal tubules return materials necessary to the body back into the bloodstream.
Term
RENAL ARTERY
Definition
Blood vessel that carries blood to the kidney.
Term
RENAL PELVIS
Definition
Central collecting region in the kidney.
Term
RENAL TUBULE
Definition
Microscopic tube in the kidney in which the urine is formed after filtration. In the renal tubule, the composition of urine is altered by the processes of reabsorption and secretion.
Term
RENAL VEIN
Definition
Blood vessel that carries blood away from the kidney and toward the heart.
Term
RENIN
Definition
An enzymatic hormone synthesized, stored, and secreted by the kidney; it raises blood pressure by influencing vasoconstriction.
Term
SODIUM (Na+)
Definition
An electrolyte regulated in the blood and urine by the kidneys.
Term
TRIGONE
Definition
Triangular area in the urinary bladder in which the ureters enter and the urethra exits.
Term
UREA
Definition
Major nitrogenous waste product excreted in urine.
Term
URETER
Definition
Tube leading from each kidney to the urinary bladder.
Term
URETHRA
Definition
Tube leading from the urinary bladder to the outside ofthe body.
Term
URIC ACID
Definition
A nitrogenous waste excreted in the urine.
Term
URINARY BLADDER
Definition
Hollow muscular sac that holds and stores urine.
Term
URINATION
Definition
Process of expelling urine; also called micturition.
Term
VOIDING
Definition
Emptying of urine from the urinary bladder; urination or micturition.
Term

CALI/O

CALIC/O 

Definition
Calyx (calix)
Term
CYST/O
Definition
Urinary bladder
Term
GLOMERUL/O
Definition
Glomerulus
Term
MEAT/O
Definition
Meatus
Term
NEPHR/O
Definition
Kidney
Term
PYEL/O
Definition
Renal pelvis
Term
REN/O
Definition
Kidney
Term
TRIGON/O
Definition
Trigone (triangular region in the bladder)
Term
URETER/O
Definition
Ureter
Term
URETHR/O
Definition
Urethra
Term
VESIC/O
Definition
Urinary bladder
Term
ALBUMIN/O
Definition
Albumin (a protein in the blood)
Term
AZOT/O
Definition
Nitrogen
Term
BACTERI/O
Definition
Bacteria
Term
DIPS/O
Definition
Thirst
Term

KET/O

KETON/O 

Definition
Keytone bodies (ketoacids and acetone)
Term
LITH/O
Definition
Stone
Term
NOCT/O
Definition
Night
Term
OLIG/O
Definition
Scanty
Term
-POIETIN
Definition
Substance that forms
Term
PY/O
Definition
Pus
Term
-TRIPSY
Definition
To crush
Term
UR/O
Definition
Urine (urea)
Term
URIN/O
Definition
Urine
Term
-URIA
Definition
Urination; urine condition
Term
ADH
Definition
Antiduretic hormone- vasopressin
Term
ARF
Definition
Acute renal failure
Term
BILI
Definition
Bilirubin
Term
BUN
Definition
Blood urea nitrogen
Term
CAPD
Definition
Continuous ambulatory peritoneal dialysis
Term
CATH
Definition
Catheter, catherterization
Term
CCPD
Definition
Continuous cycling peritoneal dialysis
Term
CKD
Definition
Chronic kidney disease- a condition during which serum creatinine and BUN levels rise, which may result in impairment of all body systems.
Term
Cl-
Definition
Chloride. An electrolyte excreted by the kidney.
Term
CRF
Definition
Chronic renal failure- progressive loss of kidney function.
Term
C&S
Definition
Culture and sensitivity testing-to determine antibiotic effectiveness against bacteria grown from a patient's specimen
Term
CYSTO
Definition
Cystoscopic examination
Term
ESRD
Definition
End-stage renal disease (same as CKD)
Term
HCO3-
Definition
Bicarbonate-an electrolyte conserved by the kidney
Term
HD
Definition
Hemodialysis
Term
IC
Definition
Interstital cystitis-chronic inflammation of the bladder wall; not caused by bacterial infection and not responsive to conventional antibiotic therapy.
Term
K+
Definition
Potassium, an electrolyte
Term
KUB
Definition
Kidney, ureter, bladder
Term
Na+
Definition
Sodium, an electrolyte
Term
PD
Definition
Peritoneal dialysis
Term
pH
Definition
Symbol for degree of acidity or alkalinity
Term
PKD
Definition
Polycystic kidney disease
Term
PKU
Definition
Phenylketonuria
Term
PUL
Definition
Percutaneous ultrasonic lithotripsy
Term
RP
Definition
Retrograde pyelogram
Term
SP GR
Definition
Specific gravity
Term
UA
Definition
Urinalysis
Term
UTI
Definition
Urinary tract infection
Term
VCUG
Definition
Voiding cystourethrogram
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