Volume 2

Anthropologia nova, or, a new system of anatomy / [Appendix].

  • James Drake
Date:
1717
Catalogue details

Licence: Public Domain Mark

Credit: Anthropologia nova, or, a new system of anatomy / [Appendix]. Source: Wellcome Collection.

    20/336 page 196
    in the Thoracick Duff when over-charg’d, as well as to receive the Lympha from the adjacent Parts, in order to tranfmit it to xhzThoracick Duff. The fpace it takes up in the Cavity of the Thorax of a Foetus, mult be very much crouded when the Lungs become diftended by Refpiration> whence it is the neighbouring Lympatick Glands, (as thole about the Subclavian, and the internal Jugular Veins) are larger in the Adult when the Thymus is lefs : and vice verfa lefs in the Foetus (in pro¬ portion) when the Thymus is largeft. Heart. > Capfula. ligure. Conne¬ xion. CHAP. V. Of the Heart and Pericardium. THE Heart is a Mufcle Jituated in the mid¬ dle of the Thorax, into which the two great Veins, (viz. Cava and Pulmonaris) difcharge them- [elves by the Mediation of its Auricles , and from whence the Aorta and Pulmonary Arteries arife, and by its reciprocal Affion of Conftriffion and Di¬ latation is the main Inftrument of the Circulati¬ on of the Blood, and the Foundation of all Vital Affion. It is included in a Capfula or Pouch which con^fts of a double Membrane, the Inner ariiing from the Tunicks of the Veffels of the Heart, and the Outer from the Mediaftinum. Its Figure is like that of the Heart which is Conoid., and it embraces the Heart laxly, allow¬ ing room for its Pul fat ion. In Humane Bodies, and in them only, it ii connefted below, to the Tendinous part, or Centr of the Diaphragm, whereas in Brutes itisloole. Externally it adheres to the Mediaflinum, am in the fuperior Part to the Veins and Arteries c the Heart, for the paflage of which it has feve ral Perforations. ] h I § 4 Ifi i
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