According to the research, the tunica intima is the innermost layer of an artery wall.
What is the tunica intima?
It is one of the three layers of an artery wall composed of the endothelium and a subendothelial connective layer.
It is considered the innermost layer, the one that is in contact with the blood, the outer or adventitia is made of connective tissue and a middle layer with muscle fibers.
Therefore, we can conclude that according to the research, the tunica intima is the innermost layer of an artery wall.
Learn more about the tunica intima here: https://brainly.com/question/13124125
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