Brain Carotid arteries Jugular vein Right front leg Lungs (inflated) Cranial Right atrium To left front leg Left subclavian Bronchus capillaries Brachiocephalic vein Left atrium Dorsal aorta Right ventricle Left ventricle Liver Portal vein Stomach Small intestines Adrenal gland Umbilicus Caudal Colon and rectum Kidney Ureter (to bladder) Left hind leg Right hind leg Arteries to lower extremities Figure 10.1A Transparency Master 79
Lungs (uninflated) Ductus arteriosus Cranial Right atrium Foramen ovale Right ventricle Bronchus capillaries Arteries to upper half of body vein Left atrium Dorsal aorta Left ventricle Liver Ductus venosus Caudal Umbilical Vein Arteries Ring Gastrointestinal tract Adrenal gland Kidney Ureter Rectum Placenta Umbilical cord Arteries and veins to hind legs Figure 10.1B Transparency Master 80
Cranial part of animal Lungs Aorta arteries veins Cranial Caudal Right atrioventricular valve semilunar valve Right atrium Left atrioventricular valve Left atrium Aortic semilunar valve Left ventricle Right ventricle Caudal part of animal Figure 10.2 Transparency Master 81
3rd heart sound 4th heart sound 1st heart sound 2nd heart sound Heart sounds Repeat cycle Ventricles Diastole Systole Atria Diastole Systole Diastole A B C D E F G A Ventricles Isometric relaxation Rapid filling Isometric contr. Diastasis Atrial systole Ejection A.V. valves A.V. valves closed Atrio ventricular valves open A.V. valves closed Semilunar valves Semilunar valves closed S.L. valves open Cardiac cycle Repeat cycle Figure 10.3 Transparency Master 82
Inner chest wall Parietal pleura Visceral pleura Visceral pleura Cranial mediastinum Lungs Endothelium of blood vessel Lungs Pericardial sac Parietal pericardium Pericardial space Pericardial pleura Endocardium Myocardium Visceral pericardium Caudal mediastinum Parietal pleura Diaphragm Figure 10.4 Transparency Master 83
Apex Right ventricle Right auricle Base of heart Coronary Figure 10.5 Transparency Master 84
Fibrous pericardium (pericardial pleura and fibrous connective tissue) Parietal pericardium Pericardial sac (space) Epicardium (visceral pericardium) Myocardium Endocardium Coronary and vein Fibrous pericardium Pericardial space Serous pericardium: visceral layer parietal layer Figure 10.6 Transparency Master 85
Left subclavian Intercostal arteries Brachiocephalic trunk Right auricle of right atrium Small cardiac vein (in coronary groove) arteries veins Left coronary Angular (inconstant) Circumflex Right coronary (in right atrioventricular groove) Right ventricle Great cardiac vein Left ventricle Paraconal and vein in paraconal interventricular groove Figure 10.7A Transparency Master 86
Caudal veins trunk Left subclavian Azygos vein Brachiocephalic trunk Coronary sinus in coronary groove Circumflex Left ventricle Subsinosal and vein in subsinosal interventricular groove Right auricle of right atrium Right coronary and small cardiac vein Cranial Right ventricle Apex Figure 10.7B Transparency Master 87
Coronary sinus Right coronary Subsinosal Subsinosal vein (still drains into coronary sinus) Figure 10.7C Transparency Master 88
Tunica interna Endothelium Subendothelial layer Valve Internal elastic lamina Tunica media External elastic lamina Tunica externa Lumen Artery Capillary network Lumen Vein Capillary Endothelial cells Figure 10.12 Transparency Master 89
Right pulmonary Brachiocephalic trunk Cranial Left subclavian Aortic arch Left pulmonary Aortic valve Sinoatrial node Atrioventricular node Right atrium Chordae tendinae veins Left atrium Atrioventricular bundle Right and left branches Caudal Papillary muscle Apex Terminal conducting fibers Figure 10.24 Transparency Master 90
Normal Lead II Electrocardiographic Complex R Millivolts 1 mv 1 cm 0.1 mv P P-Q Segment S-T Segment Q S T P-R Interval QRS Complex Q-T Interval 0.02 0.1 Seconds Figure 10.25 Transparency Master 91