Hormones produced by other major organs
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Hormones produced by other Major organs. Kelly Diaz 3/4/14 A&P. Prostaglandins (PGs). This includes several groups indicated by the letters A-I (PGA-PGI) The chemical composition is derived form the fatty acid molecules

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Hormones produced by other major organs

Hormones produced by other Major organs

Kelly Diaz

3/4/14

A&P


Prostaglandins pgs
Prostaglandins (PGs)

  • This includes several groups indicated by the letters A-I (PGA-PGI)

  • The chemical composition is derived form the fatty acid molecules

  • Source: the plasma membranes of virtually all body cells stimulus is various (local, irritation, hormones, ect.)

  • This hormone has many targets, but only acts locally at site of release

  • Ex.

    - cause constriction of the respiratory passages ways

    - stimulate the muscles of the uterus and promote labor

    - promote inflammation and pain


Gastrin
Gastrin

  • The chemical composition is a peptide

  • Source: the stomach

  • To stimulate the hormone is food

  • The target is the stomach: inhibiting glands to release hydrochloric acid (HCI)


Intestinal gastrin
Intestinal Gastrin

  • Its is a peptide

  • The source is duodenum of the small intestine

  • The stimulus is food, especially fats

  • The target is the stomach and it inhibits HCI secretion and gastrointestinal tract mobility


Secretin
Secretin

  • It’s a peptide

  • the source: duodenum

  • The stimulus is food

  • The target organs arethe pancreas which stimulates the bicarbonate-rich juice

  • The liver: increases release of bile

  • The stomach: reduce secretions


Cholecystokinin cck
Cholecystokinin (CCK)

  • It’s a peptide

  • Source: duodenum

  • The stimulus is food

  • The organs it affects are the pancreas which stimulates the enzyme-rich juice

  • Gallbladder: stimulates expulsion of stored bile

  • Duodenal papilla: causes the sphincter to relax, allowing the bile and pancreatic juice to enter the duodenum


Erythropoietin
Erythropoietin

  • The chemical composition is glycoprotein

  • The source is the kidney

  • The stimulus is the hypoxia

  • The target is the bone marrow and they stimulate production of red blood cells


Active vitamin d 3
Active vitamin D3

  • It’s a steroid

  • The source is the kidney(activates the provitamin D made by epidermal cells)

  • The stimulus is PTH

  • The target organ is the intestine stimulating active transport of dietary calcium across intestinal cell membranes


Atrial natriuretic peptide anp
Atrialnatriuretic peptide (ANP)

  • It’s a peptide

  • The source is the heart

  • The stimulus is the stretching of atria of the heart

  • The target organs are kidney which inhibits sodium ion reabsorption and renin release

  • Adrenal cortex: inhibits secretion of aldosterone and that decreases blood pressure and volume


Leptin
Leptin

  • It’s a peptide

  • Source: Adipose tissue

  • The stimulus is fatty foods

  • The target organ is the brain which suppresses appetite and increase energy expenditure


Resistin
Resistin

  • It’s a peptide

  • The source adipose tissue

  • It doesn’t have a known stimulus

  • The targets are fat, muscle, liver: antagonizes insulin’s action on liver cells


Credits
Credits

  • Elaine N. Marieb- Essentials of Human Anatomy and Physiology


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