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Endocrinology - Hormones
The main hormones of the body's endocrine glands (origin and function)
30
Biology
Undergraduate 4
02/06/2012

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Term
Thyroid Stimulating Hormone (TSH)
Definition
Anterior Pituitary

Peptide

Acts on Thyroid Gland
Term
Follicle Stimulating Hormone (FSH)
Definition
Anterior Pituitary

Glycoprotein (Peptide)

Stimulates Gonads
Males - Spermatogenesis
Females - Ovum Maturation
Term
Leutinizing Hormone (LH)
Definition
Anterior Pituitary

Glycoprotein (Peptide)

Stimulates Gonads
Males - Testosterone Production
Females - Estrogen Production
Term
Adreno-Cortico Trophic Hormone (ACTH)
Definition
Anterior Pituitary

Peptide

Stimulates Adrenal Cortex
Term
Prolactin (PRL)
Definition
Anterior Pituitary

Peptide

Milk Production in Mammary Glands
Term
Growth Hormone (GH)
Definition
Anterior Pituitary

Peptide

Stimulates IGF secretion from liver
Overall body growth
Term
Vasopressin (Anti-Diuretic Hormone - ADH)
Definition
Posterior Pituitary

Peptide

Retains Water in Kidneys
Term
Oxytocin
Definition
Posterior Pituitary

Peptide

Induces Birthing
Induces Milk Excretion
Term
Calcitonin
Definition
Thyroid (C-cells)

Peptide

Reduces blood Ca2+ by inhibiting calcium absorption in intestines, inhibiting reabsorption in kidneys, and inhibiting bone osteclasts
Term
Parathyroid Hormone (PTH)
Definition
Parathyroid

Peptide

Increases blood Ca2+ by degrading bone, increasing reabsorption in kidneys, and increasing Vitamin D production
Term
Thyroid Hormone (T3 and T4)
Definition
Thyroid

Amino Acid Derivative

Regulates Metabolism

T4 released in greater amounts and then converted to the active form, T3
Term
Aldosterone
Definition
Adrenal Cortex (Zona glomerulosa)

Steroid

Mineralocorticoid

Increases blood pressure
Greater Na+ reabsorption
Greater water retention
Greater K+ secretion
Term
Cortisol
Definition
Adrenal Cortex (Zona fasciculata)

Steroid

Glucocorticoid

Stress Relief
Anti-inflammatory
Suppress immune system
Increased blood sugar
Increased fat, protein, and carb. metabolism
Term
Epinephrine (Adrenaline)
Definition
Adrenal Medulla

Catecholamine

Sympathetic Stimulation
Term
Norepinephrine (Noradrenaline)
Definition
Adrenal Medulla

Catecholamine

Sympathetic Stimulation

Increased heart rate & blood pressure
Term
Insulin
Definition
Pancreas (Beta cells)

Peptide

Decrease blood glucose
Inhibits glucagon
Stores glycogen in liver and muscles
Term
Glucagon
Definition
Pancreas (Alpha cells)

Peptide

Increase blood glucose
Converts glycogen to glucose
Term
Somatostatin
Definition
Pancreas (Delta cells) & Hypothalamus

Peptide

Inhibits release of GH
Term
Renin
Definition
Kidney

Peptide

1st step of RAS system
Increase blood volume by water retention
Induces thirst
Helps produce Angiotensin I
Term
Erythropoitin
Definition
Kidney

Glycoprotein (Peptide)

Increase RBC production
Term
Cholecalciferol (Vitamin D)
Definition
Kidney

Resembles Steroid

Increase bone density
Term
Atrial Natriuretic Peptide
Definition
Heart (Rt. Atrium)

Peptide

Powerful Vasodilator
Decrease blood pressure
Term
Leptin
Definition
White Adipose Tissue

Peptide

Decrease hunger and apetite
Term
Adiponectin
Definition
White Adipose Tissue

Peptide

Glucose Regulation
Fatty Acid Catabolism
Term
Androgens (general)
Definition
Adrenal Cortex (Zona reticularis)

Steroid

Male Hormones
Can be converted to female hormones
Term
Corticotropin-Releasing Factor (CRF)
Definition
Hypothalamus

Peptide

ACTH synthesis in Pituitary
Term
Gonadotropin-Releasing Hormone (GnRH)
Definition
Hypothalamus

Peptide

Release of LH & FSH from Ant. Pituitary
Term
Growth-Hormone-Releasing Hormone (GHRH)
Definition
Hypothalamus

Peptide

Release of GH from Ant. Pituitary
Term
Thyrotropin-Releasing Hormone (TRH)
Definition
Hypothalamus

Peptide

Release of TSH from Ant. Pituitary
Term
Dopamine
Definition
Hypothalamus

Amino Acid Derivative

Inhibit PRL secretion in Ant. Pituitary
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