Kidneys Flashcards
How do the kidneys maintain homeostasis?
Blood Filtration
The ureters are shorter in
Females
Kidneys lie on which gutters
Paravertebral
Kidneys lie between which vertebrae
T12-L3
Where is the Hilus of the Kidneys found (vertebrae)
L1 - Transpyloric Plane
Where does the ureter enter/leave kidney
Hilus of the Kidneys - l1
Which other two organs lie on the transpyloric plane
Pancreas and Duodenum
What is the renal capsule surrounded by?
Fibrous and Fatty Material
Where is the pararnal fatty tissue mainly found
Posterior Kidney
Which three muscles are related posterior to kidneys
Diaphragm
Psoas Major
Quadratus Lumborum
The Urinary System including kidneys peritonised
Retroperitoneal
Bladder Peritonised
Extraperitoneal
Name two parts of the GI tract which are retroperitoneal
Ascending and Descending Colon
Duodenum 2nd and 3rd Parts
Kidneys nerve supply
T12-L3
Kidneys parasympathetic nerves come from
Vagus nerves
Lymph from kidneys drain to
Para aortic at L1
Kidneys develop from which embryological structure
Metanephros
Ureter develops from
Ureteric Bud
At what vertebral level are paired renal arteries given off from aorta
L2
What happens to renal arteries at hilum of kidney
They segment
Which vein travels up from the pelvis to drain into left renal vein on left side
left Gonadal Vein
Which vein travels up from the pelvis to drain into IVC on right
right Gonadal Vein
What structure connects kidney with bladder
Ureter
The Proximal portion of ureter lies where
Abdo cavity
The distal portion of ureter lies where
Pelvic Cavity
The ureter commences as a dilatation called
Renal pelvis
As the ureter descends it lies on which muscle
posts major
Which way does ureter turn to reach bladder
medially
What crosses the ureter superiorly in males
Vas deferens
What crosses ureter superiorly in females
Uterine Artery
What are the three constrictions of the ureter called
Pelvicouretic Junction
Pelvic Brim
Vesicouretic Junction
Which part of the bladder do the ureters enter
Trigone
What type of tissue makes up bladder and ureter
Transitional Epithelium
Which bony joint is immediately anterior to bladder
Pubis
What is the structure that arises from inferior part of bladder and carries urine from bladder to exterior
Urethra
Which muscle that ureter lie on
Psoas Major
Kidney Size and Weight
10-12cm
120-170
Renal Blood flow amount
1200
Ureter Length
25-30cm
Ureter Diameter
3-8
Ureter passes on medial edge of which muscle which separates it from transverse process
Psoas Major
Bladder peritonised
Extraperitoenal
Which is a cardiac cause for renal imaging
Hypertension
IVU Can show
Stones
Tumours
What is pyelography
contrast into ureters
What can micturating cystourethrography show
VUJ Reflex
Which imaging is the best choice for Stones, Tumours, Haematuria, Staging
CT
MRU is good for imaging what
Developmental conditions in Urinary
DMSA Isotope uses
Renal Scarring
MAG3 Isotope Scan for
Renal Function and Draining
What can isotope bone scan T99 MDP look for
Metastatic bone disease
Least helpful scan for renal artery stenosis
ultrasound
Renal veins drain into
IVC
Renal Plexus nerve Supply
Symp T10-L1
Sensory Afferent T11-L5
which nerves posterior to kidney
Illiohypogastric and Ilioinguinal
Renal Hilum Ant to Pos
Vein
Artery
Pelvis
Median Umbilical Ligament in Bladder is
Embryonic Urachus
Two median umbilical folds in bladder are
Occluded Umbilical Artery
Two lateral umbilical folds in bladder are
Inf Epigastric Arteries
Transpyloric plane passes through
L1
Nephron is made up of
Corpuscle and Tubule
Renal corpuscle is made up of
Glomerulus and bowman capsule
Bowman Capsule epithelium
Simple Squamous
Tubules epithelium
Cuboidal
Lateral margin of kidney shape
convex
Median Margin of kidney shape
concave
what are the kidneys related to inferiorly
quadratus luborum
Renal Cortex is where inner or outer
Outer
Renal arteries are branches of where
Aorta
How many segmental branches does the renal artery have
5
Which nerve supplies micturition
Pelvic Splanchic S2-4 Parasympathetic
which nerve relaxes internal urethral sphincter
Pelvic Splanchic S2-4 Parasympathetic
External Urethral Sphincter Innervation
Pudental Nerve
3 Symptoms/Signs of Renal Tumour
Flank Pain
Haematuria
Mass
Most Prevalent Renal Tumour
Renal Cell Carcinoma (Clear Cell)
What percentage of patients with Renal Cell Carcinoma get Mets
33%
Where does renal cancer spread to
Lung, Bone and Liver
Which mesoderm forms urinary system
Intermediate Mesoderm
Allanotis is an outpouching of what
Endoderm into Hindgut
What does Cloaca divide into
Urogenital Sinus Ant and Rectum Posteriorly
In which week does intermediate mesoderm become propnephros
Week 4
Embryology name for definitive kidney
Metanephros From week 5
When does Metanephros begin to function
Week 9
Mesonephric Tubules become what
Testis
Nephron develops from what
Metanephric Mesoderm
Ureter develops from what
Ureteric Bud
What embryological structure becomes the bladder
urogenital sinus
What forms renal pelvis, ureter and calyces and collecting duct
Ureteric Bud
Final ascent of kidneys hilum position embryological
Medial