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Cardiovascular system. Elastic Artery ( aorta ) (H&E stain). Tunica intima ( aorta ). Endothelium. media. Elastic artery. Tunica media. Vasa vasorum. adventitia. media. Masson’s trichrome stain (aorta). media. Black=elastic lamina, Red=smooth muscle. Green=collagen. Elastic artery.
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Tunica intima (aorta) Endothelium media
Elastic artery Tunica media
Vasa vasorum adventitia media
Black=elastic lamina, Red=smooth muscle Green=collagen
Elastic artery Vasa vasorum Tunica adventitia
Tunica Media Elastic lamina=blackConnective tissue=pink
Medium sized (Vein and Artery) Vein Artery
Medium sized vein artery
Muscular artery Intima Media Adventitia
Muscular artery media adventitia Internal elastic lamina
IEL media adventitia
Muscular artery LAMINA External elastic laminae MEDIA IEL
Medium sized VEIN
Medium sized vein MEDIA ADVENTITIA
Large sized (arteriole & venule) VENULE ARTERIOL
Superficial Vein (Saphenous) (Masson’s trichrome stain)
Superficial Vein (Saphenous) adventitia
Purkinje Fibers (PAS stain) Ordinary cardiac muscle
Purkinje Fibers Endocardium
Purkinje Fibers (PAS stain)
Purkinje Fibers (PAS stain)