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27 Cards in this Set

  • Front
  • Back
Homeostasis
The Urinary System not only excretes waste but also helps maintain _______ by returning the content of water and other substances in the blood.
Excretory organs of urinary system
Lungs
Skin
Gastrointestinal tract
Major organs of urinary system
Kidneys
Ureters
Urinary bladder
Urethra
Kidneys
main organ of urinary system
reddish bean shaped organ
Kidney (LOCATION)
above the waist btwn. peritenium and post. wall of abdomen
right one is slightly lower than the left.
Retroperiteneal
Because their position is post. to the peritoneum of the abdominal cavity, they are said to be ___________.
Kidney (SIZE)
10-12 cm
about the size of a bar of soap
Kidney (SHAPE)
medial border faces vertebral column
center of concave border is a deep vertical fissure called a renal hilus
Hilus
deep vertical fissure through which the ureter emerges from the kidney along with blood vessels, lymphatic vessels, and nerves.
Renal sinus
The hilus expands into a cavity with the kidneywhich contains part of the renal pelnis, the calyces, and branches of the renal blood vessels and nerves.
Renal pelvis
from the major calyces, urine drains into a single large cavity called _____ _____ and then out through the ureter
External Anatomy of kidneys
Hilus
Renal sinus
Renal pelvis
Tissues surrounding kidneys
Tissues surrounding kidneys
Renal capsule
Adipose capsule
Renal fasciae
Internal anatomy
Cortex
Medulla
Parenchyma of kidney
Renal Pelvis
Cortex
Outer cortical zone
Inner juxtamedullary zone
Renal columns
Outer cortical zone
Inner juxtamedullary zone
extending from the renal capsule to the bases of the renal pyramids and into the spaces btwn. them
Renal columns
spaces btwn renal pyramids
Medulla
Renal pyramids
Base
Renal papillae
Parenchyma of kidney
cortex
pyramids
Nephrons
Collecting tubules
Papillary ducts
Vascular system
Parenchyma of kidney
the renal cortex and renal pyramids of the renal medulla constitute ______ of the kidney
Nephrons
filtering unit of kidney
in parenchyma
1 million microscopic structures
Collecting tubules
various straight tubules of the kidney, present in the medulla
Papillary ducts
Urine formed by the nephrons drain into large _____ ____, which extend through the renal papillae of the pyramids.
Renal pelvis
Outer border - minor calyces and major calyces
Inner portion
minor calyces
(8-18)
receives urine from the papillary ducts of one renal papilla and delivers it to a major calyx
major calyces
(2-3)
urine drains into a single large cavity called the renal pelvis and then out throught the ureter to the urinary bladder.
Renal pelvis
connects to ureters
where urine is collected