small raised portion on the medial side where the renal artery, vein, pelvis, and nerves enter and exit
renal hilum
kidney
outer layer of the kidney that contains arterioles and glomeruli
cortex
inner layer of the kidney that contains the loop of Henle and urine concentrating mechanisms
medulla
cortical tissue between the renal pyramids
renal columns
region of the kidney where urine is formed
renal pyramids
part of the kidney where urine exits the pyramid
renal papillae
pathway of urine from the renal pyramid
pathway of blood supply through the kidney
bring blood into the glomerulus
afferent arterioles
efferent arterioles
the extension of the peritubular capillaries that extends around the loop of Henle and recovers reabsorbed substances and secretes some other substances into the nephron
vasa recta
ureters
the ureters are lined with
lined with transitional epithelium and smooth muscle
casts
usually only seen when there is an infection of the urinary tract
leukocytes
WBCs in the urine
pyuria
urobilinogen
too much urobilinogen can be indicative of
liver pathology
bilirubinuria
formed during hemolysis of RBCs and is excreted by the liver into the gallbladder
bilirubin
types of bile pigments
bilirubinuria and urobilinogen
often seen in liver disease such as jaundice
bile pigments
nitrites in the urine can be indicative of
a bacterial infection such as a UTI