Receptors located on nerve endings,smooth muscle,and glandular cells that are involved in inflammation and allergic reactions are

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H₁ receptors are located on nerve endings and smooth muscle and glandular cells.These receptors are involved in inflammation and allergic reactions,producing wheal and flare reactions in the skin,bronchoconstriction and mucus secretion,nasal congestion and irritation,and hypotension in anaphylaxis. H₂ receptors are located in the gastric region.These receptors regulate gastric acid secretion and feedback control of histamine release. Adrenergic and cholinergic receptors are not involved in inflammation and allergic reactions but contribute to sympathetic and parasympathetic tone.

Receptors Located on Nerve Endings,smooth Muscle,and Glandular Cells That Are