Elements of self-knowledge intended to lead youth into an early acquaintance with the nature of man, by an anatomical display of the human frame, a concise view of the mental faculties, and an inquiry into the genuine nature of the passions / Compiled, arranged, and partly written by R.C. Dallas.

  • Dallas, Robert Charles, 1754-1824.
Date:
1802
Catalogue details

Licence: Public Domain Mark

Credit: Elements of self-knowledge intended to lead youth into an early acquaintance with the nature of man, by an anatomical display of the human frame, a concise view of the mental faculties, and an inquiry into the genuine nature of the passions / Compiled, arranged, and partly written by R.C. Dallas. Source: Wellcome Collection.

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    miniature from the carlieft formation that can be traced; and that the encreafe of thofe parts is only the extenfion and thickening of their veffels, and that no. part owes its exiftence to another: the two moft effential ones, howe- ver, are the brain and the heart. ‘The conftituent parts of the animal body are, fibres, membranes, arteries, veins, lym- phadudts, nerves, glands, excretory veflels, mufcles, tendons, ligaments, cartilages, and bones; to thefe may be added the hair and nails, though they feem to have only a vege- tative kind of life. Fibres, as they appear to the naked eye, are fimple threads of the minuteft blood vefflels, which enter into the compofition of every part. Membranes, are formed by a compact union of fibres, and are expanded to cover, or line any other part.- Arteries, are tubes that arife in two trunks from two cavities inthe heart, called the ven- tricles of it, and thence dividing into branches, diftribute the blood to every part of the body. Veins, are tubes to return the blood from the extremities of the arteries to the heart. Lymphaduéts, are pellucid tubes to carry. lymph from all parts, efpecially the glands, which they difcharge into the larger veins, and into