Page:Physiological Researches upon Life and Death.djvu/16

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§ VI. Subdivision of organic contractibility into two varieties.—Sensible organic contractibility.—Insensible organic contractibility.—These two properties differ only in their intenseness, and not in their nature.—Essential difference between the two kinds of contractibility and the two kinds of sensibility, Page 81—85
§ VII. Properties of texture; extensibility and contractibility.—Phenomena of extensibility.—Different degrees of this property.—Phenomena of contractibility of texture.—Examples to distinguish the different properties of life and texture in the organs, 85—90
§ VIII. Recapitulation of the properties of living bodies.—Table of these properties.—Proper life of the organs, 91—93
ARTICLE VIII.
Of the origin and development of animal life.
§ I. The first order of functions of animal life is null in the fœtus.—Proofs of this assertion as to general and particular sensations, as to the cerebral functions, perception, imagination, judgment, &c. 94—100
§ II. Locomotion exists in the fœtus, but belongs to organic life.—The motions of the fœtus are like those which the passions produce in the voluntary muscles of the adult.—Consequences drawn from this principle, 100—104
§ III. The development of animal life, and education of its organs.—The sensations, cerebral functions, locomotion and voice, are developed by degrees, 104—107
§ IV. Influence of society upon the education of the organs of animal life.—Society perfects certain organs of animal life.—Division of human occupations.—Society contracts the sphere of action of several external organs, 107—109
§ V. Laws of the education of the organs of animal life.—But one organ can be perfected at a time.—The sum of its perfection is in a ratio with the imperfection of the others.—Numerous considerations to establish this principle.—Its application to social education, 109—115
§ VI. Duration of the education of the organs of animal life.—Connexion between the education of various organs and their ages, 115—118
ARTICLE IX.
Of the origin and development of organic life.
§ I. Of the mode of organic life in the fœtus.—The order of functions of assimilation is very simple, and very rapid.—The order of functions of disassimilation, slow, and contracted.—Rapidity of growth, effect of this double disposition, 118—122