KIN 2500 Chapter : KIN INTERSESSION 2500 CHAPTER 14 NOTES
15 Mar 2019
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Diabetes: alternate blood routes may also be provided by nonanastomosing vessels that supply the same region of the body. Venules: smallest, venules drain the capillary blood (capillary beds), thin walls, postcapillary venules, muscular venules: thicker walls than capillaries. Ascending aorta: right and left coronary arteries, right, posterior interventricular, marginal branch, left, anterior interventricular, circumflex branch. Arch of the aorta: three major arteries branch, brachiocephalic trunk: off of right side, left common carotid: independently on left side, left subclavian: independently on left side, doesn"t have left brachiocephalic trunk! Thoracic aorta: about 20 cm (8 in) long, visceral branches, parietal branches, don"t need to know other branches. Venous return from the head: internal jugular, external jugular, and vertebral veins, all veins drain into dural venous sinuses, draining blood into svc. Veins of the thorax: azygos system, ultimately they empty into the superior vena cava, alternate route for abdominal area, brachiocephalic drain most structures in thoracic area by way of azygos system.
