1. HISTOLOGY OF CARDIAC MUSCLE & HEART

2. CIRCULATORY SYSTEM COMPONENTS BLOOD VASCULAR SYSTEM
LYMPH VASCULAR SYSTEM
COMPONENTS
HEART
ARTERIES
CAPILLARIES
VEINS
LYMPHATIC CAPILLARIES
LYMPH VESSELS
LYMPHOID ORGANS

3. General Plan of Vessels
Endothelium (Tunica Intima)
Muscular tissue (Tunica Media)
Connective tissue (Tunica Adventitia)

4. HEART Modified blood vessel ENDOCARDIUM: Simple squamous epithelium
Sub endothelial connective tissue
Sub endocardial connective tissue ( veins, purkinje fibers, arteries)
Valves
MYOCARDIUM:
Thickest layer of cardiac muscles
Arrangement
EPICARDIUM:
Loose connective tissue ( veins, nerves, ganglia)
Mesothelium (visceral pericardium)

7. Heart Valves

8. CARDIAC MUSCLE

9. Cardiac Muscle

10. Atrial Muscle

11. Ischemia
Regenerative capability
Mesenchymal stem cell potential

12. INTERCALATED DISCS Junctional complexes at interface of adjacent cells
Step like appearance
Transverse portion
Vertical portion
Junctional specializations
Fascia adherentes: (anchoring sites for actin)
Macula adherentes: (desmosomes)
Gap junctiona: in lateral portion

14. T- TUBULES & SARCOPLASMIC RETICULUM
Less regular arrangement
T- Tubules are more numerous
At level of Z- line
DIAD
CONDUCTING SYSTEM
Mitochondria more numerous
Lipofuscin pigment granules

15. CARDIAC FIBROUS SKELETON
Septum membranaceum
Trigona fibrosa
Annuli fibrosa
Composed of dense connective tissue
CONDUCTING SYSTEM