Principles of physic, to be explained in a course of lectures / [George Pearson].

  • George Pearson
Date:
1805
Catalogue details

Licence: Public Domain Mark

Credit: Principles of physic, to be explained in a course of lectures / [George Pearson]. Source: Wellcome Collection.

    20/186 (page 14)
    certain aftions, explicable by laws of a diftin6l order (XV). XXX. Excitants (XIV.) in animals, produce excitation directly; i ft, In the mufcular fibres, ivith or without fenfation; 2d, In the nerves producing fenfation; 3d, In the mind or brain, producing volition, thought, imagination, me* mory, &c.; 4th, In producing ajfociate motions, or motions', from one part being excited, other parts, which have been previoufly excited at the fame dme with fuch parts, are again ex- cited, XXXI. The phoenomena of actions from excitability, are—locomotion—contra6lion and relaxation—involuntary mufcular motion— motion from aflbeiation—emotions and paf- fions—thought, or mental operations—a6lions of the economy' upon itfelf—fecretions and exertions—aftions from chyle, blood, abforb- ent fyftem—fenfation—aftions frgm volition, aflbeiation, habit, irritation—adions in the ftomach,