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renal pathology
terms from renal pathology
38
Pathology
Undergraduate 2
02/25/2011

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Term
afferent arteriol
Definition
carries blood into the glomerulus of the nephron
Term
Bowman's Capsule
Definition
part of the filtration process; contains water, salts, glucose, urea, and amino acids
Term
cortex
Definition
refers to the outer parenchyma of the kidney that contains the renal corpuscle and proximal and distal convoluted tubules of the nephron
Term
Gerota's fascia
Definition
another term for the renal fascia; the kidney is covered by the renal capsule, perirenal fat, gerota's fascia and pararenal fat
Term
hilus
Definition
area of kidney where vessels, ureter and lymphatics enter and exit
Term
major calyces
Definition
receives urine from the minor calyces to convey to the renal pelvis
Term
minor calyces
Definition
receive urine from the renal pyramids; form the border of the renal sinus
Term
nephron
Definition
functional unit of the kidney; includes a renal corpuscle and a renal tubule
Term
renal corpuscle
Definition
part of the nephron that consists of Bowman's capsule and the glomerulus
Term
renal pelvis
Definition
area in the midportion of the kidney that collects urine before entering the ureter
Term
retroperitoneum
Definition
space behind the peritoneal lining of the abdominal cavity
Term
urethra
Definition
small, membranous canal that excretes urine from the urinary bladder
Term
arcuate arteries
Definition
small vessels found at the base of the renal pyramids
Term
blood urea nitrogen (BUN)
Definition
measures the amount of nitrogenous waste; waste products accumulate in the blood when kidneys malfunction
Term
calyx
Definition
part of the collecting system adjacent to the pyramid that collects the urine and is connected to the major calyx
Term
creatinine
Definition
one of the lab tests used to measure the ability of the kidney to get rid of waste
Term
efferent arteriole
Definition
blood from this structure supplies the peritubular capillaries, which also supply the convoluted tubules
Term
glomerulus
Definition
part of the filtration process in the kidney
Term
homeostasis
Definition
maintenance of normal body physiology
Term
loop of henle
Definition
portion of the renal tubule lying between the proximal and distal convoluted portions; reabsorption of fluid, sodium and chloride occurs in the proximal convoluted tubule and the loop of henle
Term
medulla
Definition
refers to the inner portion of the renal parenchyma that contains the loop of henle
Term
Morison's pouch
Definition
right posterior subhepatic space located anterior to the kidney and inferior to the liver where fluid may accumulate
Term
pyramids
Definition
convey urine to the minor calyces
Term
renal hilum
Definition
area in the midportion of the kidney where the renal vessels and ureter enter and exit
Term
renal sinus
Definition
central area of the kidneyy that includes the calyces, renal pelvis, renal vessels, fat, nerves, and lymphatics
Term
specific gravity
Definition
lab test that measure how much dissolved material is present in the urine
Term
ureters
Definition
retroperitoneal structures that exit the kidney to carry he urine to the urinary bladder
Term
urinary bladder
Definition
muscular retroperitoneal organ that serves as a reservoir for urine
Term
columns of Bertin
Definition
bands of cortical tissue thatseparate the renal pyramids, a prominent column of Bertin may mimic a renal mass on sonography
Term
dromendary hump
Definition
normal variant that occurs on the lft kidney as a bulge on the lateral border
Term
ectopic kidney
Definition
located outside of the normal position, most often in the pelvic cavity
Term
hydronephrosis
Definition
dilation of the renal collecting system
Term
horseshoe kidney
Definition
congenital malformation in which both kidneys are joined together by an isthmus, cost commonly at the lower poles
Term
renal agenesis
Definition
interruption in the normal development of the kidney resulting in absence of the kidney; may be unilateral or bilateral
Term
renal capsule
Definition
1st layer adjacent to the kidney that forms a tough, fibrous covering
Term
splaying
Definition
widening
Term
tadpole sign
Definition
seen as narrow bands of acoustic shadowing posterior to the margins of the cysts along the lateral borders of enhancement
Term
urolithiasis
Definition
stone within the urinary system
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