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Endocrine AxesA Pictorial View of Hormones
Nathan Schilaty, DC
Thyroid AxisHormonal Control
Hypothalamus
Pituitary
TRH
TSH
T3 / T4Thyroid
Reproductive AxisHormonal Control
Hypothalamus
Pituitary
GnRH
FSHLH
EstrogenTestosteroneGonads
Adrenal AxisHormonal Control (with Neural Feedback Control)
Hypothalamus
Pituitary
CRH
ACTH
AdrenalCortex
Aldosterone
Cortisol
Androgens
stress
Growth Hormone AxisHormonal Control
Hypothalamus
Pituitary
GHRHGHIH
GH
Bone
Muscle
Lactation AxisHormonal / Mechanical Control
Hypothalamus
Pituitary
PRHPIH
PRL
OT
NOTE: Feedback is mechanical via nipple stimulation
Breast
ADH AxisNeural Control
Hypothalamus
Pituitary ADH
Kidney
Neural stimulation
Breast
Uterus
Oxytocin AxisNeural Control
Hypothalamus
Pituitary OT
Neural stimulation
Blood SugarHumoral Control
Blood
Ve
ssel
glucose
glucose
Muscle
Liver
Pancreas
Insulin
Glucagon
Blood CalciumHumoral Control
Ca2+
Ca2+
Boneosteoclasts
Thyroid
Calcitonin
PTH
Parathyroids
Blood
Ve
ssel
Circadian RhythmNeural Control
Pineal Gland MT
Thyroid
Gonads
Adrenals
