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The Urinary System
N/A
131
Veterinary Medicine
12th Grade
03/09/2013

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Term
Glomerulus
Definition
cluster of capillaries that filer blood
Term
Bowman's Capsule
Definition
cup-shaped structure that contains glomerulus
Term
Proximal Convoluted Tubules
Definition
hollow tubes located between Bowman's Capsule and loops of Henle that are involved in reabsorption
Term
Loop of Henle
Definition
U shaped turn in the convoluted tubule of the kid eh located between the proximal and distal convoluted tubules that is involved in reabsorption; has ascending and descending loop
Term
Distal Convoluted Tubules
Definition
hollow tubes located between the loops of Henle and the collecting tubules that are involved in secretion
Term
Collecting Tubules
Definition
billow tubes that carry urine from the cortex to the renal pelvis.
Term
Functions of the Urinary System
Definition
1. removal of wastes through filtration of blood
2. maintains proper balance of water,electrolytes and acids
3. removes excess fluids
4. produces hormones that affect the secretory rate of other hormones
Term
urea
Definition
the major waste product of protein metabolism
Term
homeostasis
Definition
stable internal environment
Term
urin/o
ur/o
Definition
combining forms meaning urine
Term
Name the structures of the urinary system.
Definition
a pair of kidneys
a pair of ureters
a single urinary bladder
a single urethra
Term
Location of the Kidney
(retroperitoneally)
Definition
located behind the lining of the abdominal cavity; outside the peritoneal cavity
Term
ren/o
nephr/o
Definition
combining forms for kidney
Term
cortex
Definition
outer region of the kidney; contains the majority of the nephron
Term
cortic/o
Definition
meaning outer region
Term
medulla
Definition
inner layer of the kidney; contains most of the collecting tubules
Term
medull/o
Definition
meaning inner region
Term
nepron
Definition
functional unit of the kidney
Term
glomerul/o
Definition
combining form for glomerulus
Term
glomeruli
Definition
plural form of glomerulus
Term
renal pelvis
Definition
the area of the kidney where the nephrons collect before entering the ureters
Term
pyel/o
Definition
combining form for renal pelvis
Term
calyces
Definition
irregular cuplike spaces that collect urine from the kidney
Term
calyx
Definition
singular form of calyces
Term
hilus
Definition
concave depression that serves as the point of attachment of the renal blood vessels, nerves, and ureter
Term
ureter
Definition
pair of narrow tubes that carry urine from the kidneys to the urinary bladder
Term
ureter/o
Definition
combining form for ureter
Term
trigone
Definition
a triangle portion formed at the base of the urinary bladder; the angles are marked by the two ureteral opening and one urethral opening
Term
urinary bladder
Definition
singular hollow muscular organ that holds urine; very elastic and its shape and size may depend on the amount of urine its holdng
Term
cyst/o
Definition
combining form for urinary bladder
Term
sphincters
Definition
ring-like muscles that close a passageway
Term
urethra
Definition
a tube extending from the urinary bladder to the outside of the body
Term
urethr/o
Definition
combining form for urethra
Term
urethral metus
Definition
external opening of the urethra
Term
meat/o
Definition
means opening
Term
uropoiesis
Definition
production of urine
Term
-chrome
Definition
suffix for color
Term
turbid
Definition
cloudy, opaque
Term
-poiesis
Definition
suffix meaning formation
Term
erythropoietin
Definition
hormone produced by the kidney that stimulates red blood cell production in the bone marrow
Term
antidiuretic hormone
Definition
hormone released by the posterior pituitary gland that suppresses urine formation by reabsorbing more watedr; abbreviated ADH
Term
cystocentesis
Definition
the surgical puncture of the urinary bladder
Term
cystography
Definition
radiographic study of the urinary bladder after contrast material has been placed into the urinary bladder via a urinary catheter
Term
cystogram
Definition
radiographic film of the urinary bladder after contrast material has been placed into the urinary bladder
Term
retrograde
Definition
means going backwards; can be used to describe the path that contrast material takes
Term
cystoscopy
Definition
visual examination of the urinary bladder using a fiberoptic instrument
Term
cystoscope
Definition
the fiberoptic instrument used to access the interior of the urinary bladder
Term
intravenous pyelogram
Definition
radiographic study of the kidney and ureters in which a dye is injected into a vein to define structures more clearly
Term
pneumocystography
Definition
radiographic study of the urinary bladder after air has been placed into it via a urethral catheter
Term
radiography
Definition
imaging of internal structures that is created by exposing specialized film to X-rays
Term
scout film
Definition
plain X-ray made without the use of contrast material
Term
retrograde pyelogram
Definition
radiographic study of the kidney and ureters in which a contrast material is placed directly into the urinary bladder
Term
urinalysis
Definition
examination of urine components; can determine pH level, leukocytes, erythrocytes, protein, glucose, specific gravity and other factors
Term
urinary catheterization
Definition
insertion of a tube through the urethra and into the urinary bladder
Term
catheter
Definition
hollow tube that is inserted into a body cavity to inject or remove fluid
Term
azotemia
Definition
presence of urea or other nitrogenous elements in the blood
Term
calculus
Definition
evil math. just kidding.

abnormal mineral deposit
Term
lith/o
Definition
combining form for stone or calculus
Term
-lith
Definition
suffix for stone or calculus
Term
casts
Definition
fibrous or protein materials found in the urine with renal disease or other abnormality
Term
crystals
Definition
naturally produced angular solid of definitive form
Term
cystalgia
Definition
urinary bladder pain
Term
cystitis
Definition
inflammation of the urinary bladder
Term
cystocele
Definition
displacement of the urinary bladder through the vaginal wall
Term
epispadias
Definition
abnormal condition in which the urethra opens on the dorsum of the penis
Term
feline lower urinary tract disease (FLUTD)
Definition
a common disease of cats in which cystitis, urethritis, and crystalluria are all found; commonly associated with urethral obstruction in male cats
Term
glomerulonephritis
Definition
inflammation of the kidney involving the glomeruli
Term
hydronephrosis
Definition
dilation of the renal pelvis as a result of an obstruction to urine flow
Term
hydroureter
Definition
distention o the ureter with urine caused by any blockage
Term
hypospadias
Definition
abnormal condition in which the urethra opens on the ventral surface of the penis
Term
inappropriate urination
Definition
eliminating urine at the wrong time or in the wrong place
Term
incontinence
Definition
inability to control excretory functions
Term
interstitial cystitis
Definition
inflammation within the wall of the urinary bladder
Term
-lithiasis
Definition
suffix meaning presence of stone or calculi
Term
nephrectasis
Definition
distention of the kidneys
Term
distention
Definition
means enlargement
Term
-ectasis
Definition
suffix meaning distention or stretching
Term
nephritis
Definition
inflammation of the kidneys
Term
neprholith
Definition
kidney stones or renal calculi
Term
nephromalacia
Definition
abnormal softening of the kidneys
Term
nepropathy
Definition
disease of the kidneys
Term
nephrosclerosis
Definition
abnormal hardening of the kidneys
Term
nephrosis
Definition
abnormal condition of the kidney
Term
prerenal
Definition
before the kidney; used to describe other pathologic conditions
Term
postrenal
Definition
after the kidney; used to describe other pathologic conditions
Term
prolapse
Definition
downward displacement of a body organ
Term
-ptosis
Definition
suffix meaning drooping or dropping downward
Term
nephroptosis
Definition
prolapsed kidney
Term
pyelitis
Definition
inflammation of the renal pelvis
Term
pyelonephritis
Definition
inflammation of the renal pelvis and the kidney
Term
renal failure
Definition
inability of the kidneys to function
Term
nephrotoxin
Definition
a poison having destructive effects on the kidneys
Term
renal infarction
Definition
obstruction of blood flow to the kidneys
Term
uremia
Definition
waste products in the blood
Term
ureterectasis
Definition
distention of the ureter
Term
ureterolith
Definition
stone in the urethra
Term
urethitis
Definition
inflammation of the urethra
Term
urethrostenosis
Definition
stricture of the urthra
Term
stricture
Definition
abnormal band f tissue narrowing a passageway
Term
urinary retention
Definition
inability to completely empty the urinary bladder
Term
urinary tract infection
Definition
invasion of microorganisms into the urinary system; abbreviated UTI
Term
urolith
Definition
urinary bladder stone; also called cystolith
Term
cystectomy
Definition
surgical removal of a part of or all of the urinary bladder
Term
cystopexy
Definition
surgical fixation of the urinary bladder to the abdominal wall
Term
cystoplasty
Definition
surgical repair of the urinary bladder
Term
cystostomy
Definition
surgical creation of a new opening between the skin and urinary bladder
Term
cystotomy
Definition
surgical incision into the urinary bladder
Term
dialysis
Definition
procedure to remove blood waste products when the kidneys are no longer functioning
Term
lithotripsy
Definition
destruction of stone using ultrasonic waves traveling through water
Term
-tripsy
Definition
suffix meaning to crush
Term
neohrectomy
Definition
surgical removal of a kidney
Term
nephropexy
Definition
surgical fixation of a kidney to the abdominal wall
Term
urethrostomy
Definition
surgical creation of a permanent opening between the urethra and the skin
Term
ureterectomy
Definition
surgical removal of the ureter
Term
uteroplasty
Definition
surgical repair of the ureter
Term
aldosterone
Definition
hormone secreted by the adrenal cortex that regulates electrolyte balance via the reabsorption of sodium
Term
albuminuria
Definition
presence of major blood protein in urine
Term
anuria
Definition
complete suppression of urine production
Term
bacteriuria
Definition
presence of bacteria in urine
Term
crystalluria
Definition
urine with naturally produced angular solid of definitive form
Term
dysuria
Definition
difficult of painful urination
Term
glucosuria, glycosuria
Definition
glucose in the urine
Term
hematuria
Definition
blood in urine
Term
ketonuria
Definition
presence of ketones in the urine
Term
nocturia
Definition
excessive urination at night
Term
oliguria
Definition
scanty or little urine
Term
pollakiuria
Definition
frequent urination
Term
polyuria
Definition
excessive urination
Term
proteinuria
Definition
presence of proteins in the urine
Term
pyuria
Definition
pus in urine
Term
stranguria
Definition
slow or painful urination
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