URINARY Flashcards
What is urea?
Nitrogenous waste present in blood
What happens when level of urea increases ?
Acidosis
What is the primary function of the urinary system?
Remove urea from blood.
What are the organs of the urinary system?
2 kidneys, 2 ureters, urinary bladder, urethra
Blood reaches the kidneys through which vessel?
Renal artery
Blood exits the kidneys through which vessel?
Renal Vein
Which renal vessel carries impure blood?
Renal artery
Which renal vessel carries pure/filtered blood?
Renal vein
Location of kidney?
Retroperitoneally in the lumbar region on either side of the vertebral column
Functions of the kidneys?
Acid- Base balance
Water balance
Removal of toxins
Maintain blood pressure with renin
Produce erythropoietin for erythropoiesis
Activate Vit D
What hormone is released by kidney to maintain blood pressure ?
Renin
What hormone is produced by kidney that helps in rbc production?
Erythropoietin
I what are the layers of kidney?
Outer cortex
Inner medulla
Through which part does blood vessels and nerves enter the kidney?
Hilum of the kidney
What is the covering of kidney called?
Renal capsule
Urine filtration happens where in the urinary system?
Renal tubules
Collection of capillaries shaped in the form of a ball in the kidney is called?
Glomerulus
Materials filtered by the glomeruli are collected where ?
Bowman’s capsule
Components of renal tubule?
PCT - proximal convoluted tubule
Loop of henle
DCT - Distal Convoluted Tubule
CT - collecting tubule
What is the renal pyramid?
Triangular shaped area in the medulla where the renal tubules connect
What are renal calyces ?
What is renal pelvis ?
Basin like area in the central part of the kidney which extends as the ureter
Function unit of kidney ?
Nephron
What are the two components of a nephron ?
Renal corpuscule
Renal tubule