Miscellaneous Effects

The influence of ACh and parasympathetic innervation on various organs and tissues is discussed in detail in Chapter 6. ACh and its analogs stimulate secretion by all glands that receive parasym-pathetic innervation, including the lacrimal, tracheobronchial, salivary, and digestive glands. The effects on the respiratory system, in addition to increased tracheobronchial secretion, include bronchoconstriction and stimulation of the chemoreceptors of the carotid and aortic bodies. When instilled into the eye, muscarinic agonists produce miosis (see Chapter 63).

Table 7-1

Some Pharmacological Properties of Choline Esters and Natural Alkaloids

Muscarinic Activity

Table 7-1

Muscarinic Activity

Muscarinic

Susceptibility to

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