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The tunica media (Neo-Latin "middle coat"), or media for short, is the middle tunica (layer) of an artery or vein. [1] It lies between the internal elastic lamina of ...
Mönckeberg medial arteriosclerosis, also known as medial arterial calcinosis, is a condition where the tunica media layer of blood vessels calcifies, visible on plain radiography or sectional tomography, and can sometimes be detected in dental panoramic radiographs.
The tunica intima is well developed, with many smooth muscle cells in the subendothelial connective tissue, and often shows folds in cross section because of the vessel’s contraction with loss of blood pressure at death. Between the intima and the media lies the internal elastic lamina, usually better defined than the elastic laminae of the ...
Intima–media thickness (IMT), also called intimal medial thickness, is a measurement of the thickness of tunica intima and tunica media, the innermost two layers of the wall of an artery. The measurement is usually made by external ultrasound and occasionally by internal, invasive ultrasound catheters .
A tear in vasa vasorum situated in tunica media layer of aorta may start pathologic cascade of events leading to aortic dissection. [4] Presence of corkscrew collateral vessels in vasa vasorum is a hallmark of Buerger's disease and distinguishes it from Raynaud's phenomenon. [11]
The three layers of the vein wall are the outer tunica externa, the middle tunica media and the inner tunica intima. There are also numerous valves present in many of the veins. The outer tunica externa, also known as the tunica adventitia is a sheath of thick connective tissue. This layer is absent in the post-capillary venules.
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Tunica albuginea (disambiguation), three different layers of connective tissue; Tunica vasculosa (disambiguation), two different vascular layers; Tunica externa, outermost tunica (layer) of a blood vessel, surrounding the tunica media; Tunica intima, for short, is the innermost tunica (layer) of an artery or vein