1. excrete waste products of metabolism. 2. water and electrolyte balance within the body 3. acid-base balance of blood.
What does Perirenal fat cover?
the fibrous capsule
What lies outside the perirenal fat and encloses the kidneys and suprarenal glands?
Where do the renal pyramids lie?
inner medulla (light brown)
Trace the arterial supply from the aorta the the renal pyramids:
Aorta. Renal artery (divides into five segmental arteries that enter the hilum of the kidney). Segmental artery (divides into lobar arteries). Lobar arteries (one for each renal pyramid). Interlobar Arcuate
What is the role of perirenal fat, renal fascia, and pararenal fat?
support the kidneys and hold them in position on the posterior abdominal wall
Where does the renal vein emerge and drain?
emerges: hilum in front of renal artery drains: inferior vena cava.
What is the renal nerve supply?
the renal sympathetic plexus (10th, 11th, and 12th T nerves).
What arteries/veins supply the upper, middle, and pelvic portions of the ureter?
upper: renal artery/ vein middle: testicular or ovarian artery/ vein pelvis: superior vesical artery/ vein
Where does lymph from the ureter drain?
lateral aortic nodes and the iliac nodes.
What is the nerve supply of the Ureter?
renal, testicular (or ovarian), and hypogastric plexuses (L1, L2)
How is urine propelled though the Ureters?
Peristalsis. And assisted by the filtration pressure of the glomeruli.
Where are the three constrictions of the Ureter?
1. renal pelvis joins the ureter 2. as it crosses the pelvic brim 3. pierces the bladder wall
Glucocorticoids control the metabolism of what 4 things?
Carbohydrates Fats Proteins Sex hormones
What hormones do the suprarenal glands secrete?
Cortex: mineral corticoids (gluccocorticoids) Medulla: catecholamines (epi and norepinephrine)