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Oxytocin

oxytocin

(Science: protein) A peptide hormone (1007 D) from hypothalamus: transported to the posterior lobe of the pituitary (see neurophysin). Induces smooth muscle contraction in uterus and mammary glands. Related to vasopressin. Hormone secreted by the posterior pituitary gland (trade name Pitocin); stimulates contractions of the uterus and ejection of milk.A type of [[hormone produced by the [[ pituitary gland which causes contraction of the [[ uterine wall, and is found dur.


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Potential relationship between non-enzymatic antioxidants

Could the redox potential of oxytoceine drive the formation of reduced ascorbate and oxytocin.... is this chemistry right? Does anyone know the redox potentials for oxytoceine <----> oxytocin? Does anyone know the redox potentials for ascorbate <----> ...

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by ianjager
Sat Sep 20, 2008 6:27 pm
 
Forum: Cell Biology
Topic: Potential relationship between non-enzymatic antioxidants
Replies: 1
Views: 790

Potential relationship between non-enzymatic antioxidants

... Virginia 24061-0442 ABSTRACT: The 1980s heralded the discovery and identification of extra-pituitary sources of the neurohypophysial hormone oxytocin in non-neural tissues of several animal species. The presence, location and biosynthesis of significant amounts of oxytocin in the ovarian ...

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by ianjager
Thu Sep 18, 2008 5:08 pm
 
Forum: Cell Biology
Topic: Potential relationship between non-enzymatic antioxidants
Replies: 1
Views: 790

Re: What kills (and what saves) a corpus luteum?

It looks like the time bomb is a positive feedback loop between oxytocin and prostaglandin F2 (PGF2), initiated in the preovulatory follicle. PGF2... * causes degeneration of the capillary network supplying the corpus luteum, and * stimulates endothelial ...

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by jasonfahy
Mon May 05, 2008 4:58 pm
 
Forum: Human Biology
Topic: What kills (and what saves) a corpus luteum?
Replies: 3
Views: 1667

Being in love...

... that, in all three stages (which are lust, attraction and attachment) the major role play the hormones like: testosterone, oestrogen, dopamine, oxytocin and the others. Does it make as more human or an animal? Could you imagine that “our” decisions about choosing a partner are not so obvious ...

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by Sysia_sf
Sun Nov 18, 2007 2:30 pm
 
Forum: Human Biology
Topic: Being in love...
Replies: 23
Views: 1597

Hypothalamin hormones

... which have long axon. Their body cells locate in hypothalamus, while their axons pass thru the stalk (infundibulum) to reach posterior pituitary. Oxytocin and Vasopressin (ADH) are actually neurohormones secreted by those nuclei, NOT hormones secreted by posterior pituitary. Those hormones are ...

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by Dr.Stein
Thu Oct 19, 2006 1:58 pm
 
Forum: Human Biology
Topic: Hypothalamin hormones
Replies: 15
Views: 1580
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