negative to positive. An electrical charge travels along the axon to the neurone’s ending (terminal) where it triggers the release of a neurotransmitter* and then disappears. ADRENALINE (U.S. - Epinephrine) – A hormone released by the adrenal medulla* and a neurotransmitter acting at the level of the autonomic nervous system and the brain. ADRENAL CORTEX – The outer layer of the adrenal, a small endocrine gland located near the kidney. It produces and secretes several hormones* (corticosteroids) e.g. cortisol. It is implicated in stress response. ADRENAL MEDULLA - The centre of the adrenal, a small endocrine gland located near the kidney. It produces and secretes noradrenaline and adrenaline for the activation of the sympathetic nervous system. It is implicated in stress response. AFFERENT – Carrying information towards a particular group of neurones (compare efferent*).
the oh-so-lean filet. Or between the guy who got a Château Grand Pontet St. Emilion with his brie and the guy who got water. As Edgar notes in King Lear, "Ripeness is all." You don't get to ripeness by eating apple peel for breakfast.... When life extension supplants life quality as a goal, you get the desolation of Canto the monkey. Living to 120 holds zero appeal for me. Canto looks like he's itching to be put out of his misery.... We don't understand what the mind secretes. The process of aging remains full of enigma. But I'd bet on jovial Owen outliving wretched Canto.... Laughter extends life. There's little of it in the low-cal world and little doubt pudgy Owen will have the last laugh. 1 If your goal is to live as long as possible, there is a long list, an endless list, of things to avoid. The good news is that life-extension need not be complicated. The good news is that life-extension need not be complicated.