Inaugural dissertation on the effusion and organization of coagulable lymph / [George Stewart Newbigging].

  • Newbigging, George Stewart, -1840.
Date:
1837
Catalogue details

Licence: Public Domain Mark

Credit: Inaugural dissertation on the effusion and organization of coagulable lymph / [George Stewart Newbigging]. Source: Wellcome Collection.

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    menon observed by Kaltenbrunner* in examining the move¬ ment of the blood globules in the transparent tail-fin of a small fish. He remarks, that from their first formation, the glo¬ bules of blood seem to have a disposition to flow towards the heart to which the canals formed by them are always directed, and when new vessels are developed in the cica¬ trix of a wound, the newly formed sanguiferous canal, be¬ fore uniting itself with those which already exist, assumes the form of a crescent, the extremities of which are always turned towards the heart. Andral further considers, that the first approach to orga¬ nization is indicated by the formation of red points, such as are observed in the chick in ovo, from which he infers that the 66 chemical elements of this morbid production have the same tendency as those of the impregnated ovum to form such combinations as shall produce a colouring matter similar to that of the blood.n In some cases he says, that a few red points only can be perceived, while in others we can perceive reddish lines or furrows of various lengths running in different directions. They are some¬ times isolated from each other, sometimes anastomose. In other instances, he adds, we can observe regular blood-ves¬ sels which can be detached from the substance in which they are formed. “ As their development proceeds, some of the branches of this independent circulatory system, which, * See his paper on the circulation of the blood in volume ix. of the Journal des Sciences Me'dicales, p. 46.
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