Page 310 - Color_Atlas_of_Physiology_5th_Ed._-_A._Despopoulos_2003
P. 310
A. Adrenal gland
Hypothalamus
Negative feedback
Stress CRH
5
Sympathetic Anterior Epinephrine stimulates
nervous system pituitary 4 ACTH release
ACTH Adrenal Cortex and Glucocorticoid Synthesis
Adrenal
Angiotensin II gland
Hyperkalemia
Kidney
Mineralo-
corticoids Aldosterone
Glomerular zone 1 Plate 11.16
Gluco- Cortisol
corticoids Cortisol Transcortin
Fascicular zone 2
Adrenal cortex
Anabolic
steroids and
sex hormones
3 Blood flow path within the adrenal
Reticular zone
6 gland
Epinephrine
Norepinephrine
Adrenal medulla
B. Circadian rhythm of ACTH and cortisol secretion
ACTH
Plasma concentration Cortisol Mean
Short-term
fluctuations
297
12:00p.m. 6:00p.m. 12:00a.m. 6:00a.m. 12:00p.m. Time of day
Despopoulos, Color Atlas of Physiology © 2003 Thieme
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