Danielle Burton

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Intact and adrenalectomized (ADX) rats were mildly food deprived and administered dexamethasone (type II agonist), aldosterone (type I agonist), corticosterone (mixed agonist), or vehicle 24 and 2 h prior to forced exercise in a treadmill. The endurance of intact animals was unaffected by hormone treatments. Adrenalectomy greatly advanced the onset of(More)
Elevated muscle sympathetic nerve activity (MSNA) features in many cardiovascular diseases, but how this sympathoexcitation is brought about differs across pathologies. Unitary recordings from post-ganglionic muscle vasoconstrictor neurones in human subjects have shown that the augmented MSNA in the obstructive sleep apnoea syndrome (OSAS) is associated(More)
In total darkness, melanophores of much of the integumentary pattern of Pseudopleuronectes americanus display intermediate melanosome distribution, whilst the alpha-adrenoceptor antagonist phentolamine evokes their complete dispersion. The intermediate condition is not attained in total darkness in locally decentralized melanophores. It is proposed that, in(More)
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