Circulatory System Azami PHD
Heart 3 layers: epicardium, myocardium and endocardium
External Heart: Anterior View Figure 17.4b
External Heart: Posterior View Figure 17.4d
Pathway of Blood through the Heart and Lungs Figure 17.5
Relative thickness of muscular walls?
Figure 17.7a
“EKG” (or ECG, electrocardiogram) Electrical depolarization is recorded on the body surface P wave=atrial depolarization QRS=ventricular depolarization T wave=ventricular repolarization
Arteries
Greek karoo, to put to sleep
radial & ulnar a.
Venous system
Superficial veins of hand
basilic: adjective, Greek basilikos = royal (king-sized) cephalic: adjective, Greek kephale = head. external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.
Median cubital
Head and Neck Latin jugulum = neck external jugular v. Note the "W"-shaped structure where the external jugular vein crosses the internal jugular vein, arising from the 'junction of facial(6), retromand ibular (7)and posterior auricu lar(8) veins.