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further removed, such as the brain and the external parts of the body.
In the nearest parts, one considers the triple genus of fibers, namely straight, transverse, and oblique, as well as the natural dynamis power/faculty, through which the member is effective, namely attraction, retention, digestion, and expulsion.
The actions of these faculties, when injured according to the condition and diversity of either the qualities or the injurious contents, excite different symptoms.
But so that we are not confused by too great a variety of things, having neglected the remaining symptoms of the stomach and intestines, let it suffice for us at present to have discussed the lienteric flux and that which is related to it.
Lientery has its name from leion smooth, which to the Latins signifies smooth, or continuous, and in no part torn asunder. Whence lienteria, as if [it were] leiotēs tōn enterōn smoothness of the intestines. However, neither Hippocrates nor Galen looked primarily to the meaning of this name.
It is defined by Galen as the swift passage of food and drink through the belly and intestines, by which such things are cast out as they were when assumed, with almost no change having been made in the stomach, neither according to consistency, nor according to color, or odor, or any other quality.
Symptoms in this genus are a harm to the natural or retentive faculty, which the privation of the first digestion The stomach's primary processing of food secondarily accompanies, or [a harm to] the expulsive [faculty], provoked by some troubling cause.