crista
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what is the Hering Breuer reflex?
what is the relationship between this reflex and streching receptors from lungs?
tx.
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| mani
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stretch receptors in smooth muscles of airways when stimulated by distention of lungs produce a reflex decrease in breathing frequency
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| Bela
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Isn't hering breuer the same thing as the J reflex, which has CN10 innervation?
If so, in cases like pulm. edema or when a foreign body is found in the resp tract, these receptors get activated causing dyspnea.
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| mani
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J receptors are separate frfom stretch receptors. 2 different things!!
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| crista
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Mani is right; they are different things but what i want to know is which resp. center is stimulated or inhibited by the impulses from stretching rec.
the result is short inspiration and decreased resp. rate?
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| mani
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its the decresed resp rate not shallow breathing. its the usual medullay and pontine resp centres that act in conjunction to regulate resp rate.
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| rubensssss
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Lung stretch receptors
are located in the smooth muscle of the airways.
When these receptors are stimulated by distention of the lung, they produce a reflex decrease in breathing frequency(Hering Breuer reflex).
Physiology 2nd edition
Linda S. Constanzo
Board Review Series
I hope this explains what you ask.
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