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To be clear with Surgery Nomenclature, it does not matter how the injury was inflicted. The term you are seeking is: "Depressed Cutaneous Scar". More information here(Pay-wall), and here. (Colloquially known as 'icepick scars') Depressed cutaneous scar treatment A common surgical treatment option is known as a Subcision. "...involves sliding ...


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It seems to be still under debate. Contradictory evidence has been found. The relative importance of Endothelin Type A and Endothelin Type B receptors during myocardial ischaemia are still debated. The word you are seeking is regenerative. Mammalian hearts are made from non-regenerative tissue. "While several animals can regenerate heart damage (e.g. ...


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