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Appetite vs Ghrelin - What's the difference?

appetite | ghrelin |

As nouns the difference between appetite and ghrelin

is that appetite is desire for, or relish of, food or drink; hunger while ghrelin is (biochemistry) a peptide hormone, secreted in the stomach when empty, that increases appetite and secretion of growth hormone from the pituitary gland.

appetite

English

(Webster 1913)

Noun

(en noun)
  • Desire for, or relish of, food or drink; hunger.
  • * {{quote-book, year=1922, author=(Ben Travers)
    • , chapter=5, title= A Cuckoo in the Nest , passage=The most rapid and most seductive transition in all human nature is that which attends the palliation of a ravenous appetite . There is something humiliating about it.}}
  • Any strong desire; an eagerness or longing.
  • * (Jeremy Taylor) (1613–1677)
    • If God had given to eagles an appetite to swim.
  • * (1800-1859)
    • To gratify the vulgar appetite for the marvelous.
  • The desire for some personal gratification, either of the body or of the mind.
  • * (Richard Hooker) (1554-1600)
    • The object of appetite is whatsoever sensible good may be wished for; the object of will is that good which reason does lead us to seek.
  • A taste, preference.

    • Quotations

    * 1904 , (Arthur Conan Doyle) in (The Adventure of Black Peter) *: And I return with an excellent appetite . There can be no question, my dear Watson, of the value of exercise before breakfast. But I am prepared to bet that you will not guess the form that my exercise has taken.

    Synonyms

    (checksyns) * craving, longing, desire, appetency, passion

    Derived terms

    () * appetitive * appetizer * appetizing * appetizingly

    External links

    * * * ----

    ghrelin

    English

    (wikipedia ghrelin)

    Noun

    (en-noun)
  • (biochemistry) A peptide hormone, secreted in the stomach when empty, that increases appetite and secretion of growth hormone from the pituitary gland.
  • * 2005', Masayasu Kojima, Kenji Kangawa, '''''Ghrelin , an Endogenous Ligand for the Growth Hormone Secretagogue Receptor'', Fred Nyberg (editor), ''The Somatotrophic Axis in Brain Function , page 27,
    • Both human and rat ghrelins are 28 amino acid peptides, in which Ser3 is modified by a fatty acid, primarily n-octanoic acid.
  • * 2009 , Hélène Volkoff, Saraj Unniappan, Scott P. Kelly, 9: The Endocrine Regulation of Food Intake'', Nicholas J. Bernier, Glen Van Der Kraak, Anthony P. Farrell, Colin J. Brauner (editors), ''Fish Neuroendocrinology'', [''Fish Physiology , Volume 28], page 434,
    • Ghrelin is a 28?amino acid acylated peptide predominantly secreted by the stomach but also by the brain.
  • * 2009 , Michael F. Roizen, Mehmet Oz, YOU: On A Diet: The Owner's Manual for Waist Management , Revised Edition, page 49,
    • So when you increase ghrelin levels, you stimulate that growth hormone to kick in, and growth hormone builds you not only up but out as well.
    Your stomach secretes ghrelin in pulses every half hour, sending subtle chemical impulses to your brain—almost like subliminal biological messages (carrot cake, carrot cake, carrot cake).
  • * 2011 , Palmiero Monteleone, New Frontiers of Endocrinology in Eating Disorders'', Roger A.H. Adan, Walter H. Kaye (editors), ''Behavioral Neurobiology of Eating Disorders , page 194,
    • Currently, ghrelin is considered as a “hunger hormone” that signals the brain the need to initiate food consumption.

    Derived terms

    * preproghrelin * proghrelin

    See also

    * leptin * obestatin