Page 196 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003

A. Factors that affect K secretion and excretion
+
K + Diuretics
+
K uptake Na uptake
+
Furosemide,
Acidosis Spirono- thiazides
ECF volume lactone
+
Na reabsorption
on Henle’s loop
and distal tubule, resp.
[K ] in plasma Aldosterone
+
and cells
Na supply and flow rate
+
+
Na reabsorption in collecting duct
in collecting duct Potassium Balance II
+
K secretion
Plate 7.18
D. Secretion, effect and degradation of aldosterone
Blood pressure Hyperkalemia

Renin
ACTH
See next plate

Angiotensin II
O CH 2 OH
Atriopeptin HC C O
HO
Zona
glomerulosa Secretion Aldosterone O

Adrenal cortex Physical Na retention and
+
activity,
K excretion in:
+
stress
Salivary glands
Epinephrine Sweat glands
Adrenal medulla Degradation Gallbladder
Glucuronation
in the liver K + Na +
Na + K +
Excretion
Bile
Kidney 183
Feces Colon
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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