Effect Of Alcohol On The Membranes

ign="center">When we take for our food a portion of animal
The parts which first suffer from alcohol areflesh, it is first resolved, in digestion, into a soluble
those expansions of the body which thefluid before it can be absorbed; in the blood it is
anatomists call the membranes. "The skin is aresolved into the fluid colloidal condition; in the
membranous envelope. Through the whole of thesolids it is laid down within the membranes into
alimentary surface, from the lips downward, andnew structure, and when it has played its part, it
through the bronchial passages to their minutestis digested again, if I may so say, into a
ramifications, extends the mucous membrane.crystalloidal soluble substance, ready to be carried
The lungs, the heart, the liver, the kidneys areaway and replaced by addition of new matter,
folded in delicate membranes, which can bethen it is dialysed or passed through, the
stripped easily from these parts. If you take amembranes into the blood, and is disposed of in
portion of bone, you will find it easy to strip offthe excretions.
from it a membranous sheath or covering; if you"See, then, what an all-important part these
examine a joint, you will find both the head andmembranous structures play in the animal life.
the socket lined with membranes.Upon their integrity all the silent work of the
The whole of the intestines are enveloped in abuilding up of the body depends. If these
fine membrane called peritoneum . All the musclesmembranes are rendered too porous, and let out
are enveloped in membranes, and the fasciculi, orthe colloidal fluids of the blood the albumen, for
bundles and fibres of muscles, have theirexample the body so circumstanced, dies; dies as
membranous sheathing. The brain and spinal cordif it were slowly bled to death. If, on the contrary,
are enveloped in three membranes; one nearestthey become condensed or thickened, or loaded
to themselves, a pure vascular structure, awith foreign material, then they fail to allow the
network of blood-vessels; another, a thin serousnatural fluids to pass through them. They fail to
structure; a third, a strong fibrous structure. Thedialyse, and the result is, either an accumulation of
eyeball is a structure of colloidal humors andthe fluid in a closed cavity, or contraction of the
membranes, and of nothing else. To complete thesubstance inclosed within the membrane, or
description, the minute structures of the vitaldryness of membrane in surfaces that ought to
organs are enrolled in membranous matter."be freely lubricated and kept apart. In old age we
These membranes are the filters of the body. "Insee the effects of modification of membrane
their absence there could be no building ofnaturally induced; we see the fixed joint, the
structure, no solidification of tissue, nor organicshrunken and feeble muscle, the dimmed eye, the
mechanism. Passive themselves, they,deaf ear, the enfeebled nervous function.
nevertheless, separate all structures into their"It may possibly seem, at first sight, that I am
respective positions and adaptations."leading immediately away from the subject of the
Membranous deteriorationssecondary action of alcohol. It is not so. I am
In order to make perfectly clear to your mind theleading directly to it. Upon all these membranous
action and use of these membranous expansions,structures alcohol exerts a direct perversion of
and the way in which alcohol deteriorates them,action. It produces in them a thickening, a
and obstructs their work, we quote again fromshrinking and an inactivity that reduces their
Dr. Richardson:functional power. That they may work rapidly and
"The animal receives from the vegetable worldequally, they require to be at all times charged
and from the earth the food and drink it requireswith water to saturation. If, into contact with
for its sustenance and motion. It receives colloidalthem, any agent is brought that deprives them of
food for its muscles: combustible food for itswater, then is their work interfered with; they
motion; water for the solution of its various parts;cease to separate the saline constituents properly;
salt for constructive and other physical purposes.and, if the evil that is thus started, be allowed to
These have all to be arranged in the body; andcontinue, they contract upon their contained
they are arranged by means of the membranousmatter in whatever organ it may be situated, and
envelopes. Through these membranes nothing cancondense it.
pass that is not, for the time, in a state ofIn summary, under the prolonged influence of
aqueous solution, like water or soluble salts.alcohol those changes which take place from it in
Water passes freely through them, salts passthe blood corpuscles, extend to the other organic
freely through them, but the constructive matterparts, involving them in structural deteriorations,
of the active parts that is colloidal does not pass;which are always dangerous, and are often
it is retained in them until it is chemicallyultimately fatal.
decomposed into the soluble type of matter.