Exam 4: Kidney Flashcards
Kidney functions
Remove water, salts and products of protein metabolism
Most posterior organ
Kidney
Kidney extends from
T12-L3
_____ kidney is slightly lower and why
Right; large size of R lobe of liver
Kidneys lie anterior to ____ and lateral to _____
Psoas major; vertebral column
What is sometimes mistaken for kidney pain
Psoas major strain
Poles of kidney
Superior and inferior
Hilum of the kidney is a _____ fissure on the medial surface
Vertical
Hilum of kidney transmits
Renal vein
Renal artery
Ureter
Autonomic and sensory nerves
Structure that is anterior within the hilum
Renal Vein
Structure that is posterior within hilum
Ureter
Renal artery passes between ____ and ____ within the hilum
Renal vein and ureter
Renal pelvis
Expanded superior end of ureter (within hilum)
Renal sinus
Recess located within hilum, filled with fat
Structures that enter hilum are collectively known as
Renal pedicle
Renal cortex
Outer portion of kidney
Renal column
Projections of cortex into medulla
Between renal pyramids
Renal medulla
Inner portion of kidney
Renal medulla includes
8-12 renal pyramids
Renal pyramid terminates in an apex known as
Renal papilla
Minor calices
Cup shaped structures into which renal papilla fit
Minor calices empty into
Major calices
How many major calices does a normal kidney have
2 or 3
Major calices empty into
Renal pelvis
Renal artery is from
Abdominal aorta
Extrahilar arteries
Accessories arteries from ab aorta
Extrahilar arteries originate ________ renal artery
Above OR below
Renal vein drains into
Inferior vena cava
____ renal vein drains an extensive area
Left
Left renal vein also drains
Suprarenal gland
Gonad
Diaphragm
Body wall
Anatomical nutcracker
L renal vein and 3rd part duodenum compressed by aorta and superior mesenteric artery
Compression in anatomical nutcracker may lead to
L side kidney failure and vomiting
Renal plexus formed by
Celiac plexus
Aortic plexus
Direct branches from T and L splanchnic nerves
Layers covering kidney
Renal capsule
Perinephric fat
Renal fascia
Paranephric fat
Innermost layer covering kidney
Renal capsule
Outermost layer covering kidney
Paranephric fat
Fat around kidney functions in
Protection
Insulation
Support
Renal fascia
Membranous layer that splits to enclose kidney
Renal calculi AKA
Kidney stones
Kidney stones may be composed of
Calcium oxalate (MC)
Calcium phosphate
Uric acid
Renal calculi produce
Dull ache in kidney
Severe pain in ureter
Risk factors for renal calculi
Male
Low fluid intake
SE USA
Nephroptosis AKA
Floating kidney
In nephroptosis, kidney becomes
Hypermobile — may turn, twisting blood vessels
Ureter is a _____
Muscular tube
Ureter connects
Kidney to urinary bladder
Ureter is retroperitoneal and descends on
Psoas major muscle
Ureter is crossed by
Gonadal vessels
Ureter crosses
Common iliac artery
Upper part of ureter lies in ___ and lower part lies in ____
Abdomen; pelvis
3 constrictions in ureter where kidney stones become lodged
Ureteropelvic junction
Pelvic brim
Enters wall of bladder
Blood supply to ureter
Renal A Gonadal A Aorta Common iliac A Superior vesical A
Which artery supplies pelvic part of ureter
Superior vesical A
Suprarenal gland is part of
Endocrine system
2 parts of suprarenal gland
Medulla
Cortex
Medulla of suprarenal gland secretes
Catacholamines
- epi
- NE
Cortex of suprarenal gland secretes
Corticosteroids
What is the general name for suprarenal gland
Adrenal gland (Suprarenal = humans)
Secretions of suprarenal gland are
ESSENTIAL for life
Medulla of suprarenal gland is a ____ that is derived from ____
Sympathetic ganglion; neural crest cells
Suprarenal gland is a _____ organ
Retroperitoneal
Suprarenal gland is surrounded by
Capsule and renal fascia
Right suprarenal gland is ____ while left is _____ (shapes)
Pyramidal; semilunar
Addison’s disease
Adrenal hypofunction
Addison’s disease affects
Corticosteroid output
Blood supply to suprarenal gland
Superior, middle and inferior suprarenal arteries
Superior suprarenal artery is from
Inferior phrenic artery
Middle suprarenal artery is form
Aorta
Inferior suprarenal artery is from
Renal artery
Right suprarenal veins drains
Directly into IVC
Left suprarenal vein drains into
L renal vein
Suprarenal gland relative to its size has the largest
Autonomic nerve supply of any organ
Pain from a kidney stone passes from
Loin to the groin