Outline of a natural system of medical science : $b Forming the preliminary lectures to two courses: one on anatomy and physiology; the other on pathology and the practice of medicineWalker, Alexander
Science
Outline of a natural system of medical science : $b Forming the preliminary lectures to two courses: one on anatomy and physiology; the other on pathology and the practice of medicine
Walker, Alexander
Anatomy; Medicine; Pathology; Physiology
This and similar facts, I may remark, convince me, that the earth has
myriads of times been illumed by the highest attainments of intellect,
and as often plunged into darkness. This single point of Indian
philosophy was, in my opinion, but the mere shadow of the highest
excellence in philosophy in general; and as the greatest cultivation of
the human mind, and the greatest misapplication of its faculties, cannot
well exist together, I am equally convinced, that the beautiful specimens
of art, blended with heterogeneous absurdities, in the monuments of
Upper Egypt, afford the most striking proof that, contrary to the common
assertion, there _were_ periods in that country when tyrants held no
despotic sway over the physical, nor the priests of a false religion over
the moral structure of man.
But to return to the subject.—True it is that the affinities of external
agents with the molecules of organic bodies are precisely the same during
life when their influence is resisted as after death when it operates
with the greatest energy; but the power which during life organic bodies
possess of resisting the influence of external agents, and even the
extension of the sphere of their action beyond the mere bounds of the
living body, is, in my opinion, very easily accounted for.
All the particles of matter possess attraction and repulsion, and the
largest homogeneous masses, _coeteris paribus_, evidence them most.
Hence, organic bodies, while they possess homogeneity by the subsistence
of intimate relations between their parts, evidence attraction and
repulsion in the highest degree. While in infancy, these relations are
merely forming, the powers of attraction and repulsion are weak; when,
in the vigour of life, these relations are most intimate, these powers
are greatest; when, in old age, these relations are interrupted, these
powers are also diminished; and when, in death, these relations cease
to exist between the molecules, or in other words, when the body is no
longer organized, the power of combined resistance terminates.
Thus, life is no forced state, but an intrinsic power arising merely from
the intimate relation of these molecules, and the greater effects which,
in such combinations, they are capable of producing, than when, in death,
they have become independent of each other, and their powers disunited,
are capable of much less effectual resistance.
Thus, it is, that I would endeavour to shew a connexion between the
phenomena of living bodies, and the general laws of nature.
This general and common motion of all the parts, says even Cuvier, forms
so peculiarly the essence of life, that the parts which are separated
from a living body soon die, because they possess no motion of their own,
and only participate in the general motion produced by their union. Thus,
according to the beautiful expression of Kant, the mode of existence of
each part of inanimate bodies belongs to itself; but, in living bodies,
it resides in the whole.
Public-domain text, read in full here on John Shaqi.
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