Tenascin ( TN ) is an extracellular matrix protein that is expressed widely in the fetus and sparingly in the adult , but reappears at high levels in certain areas of tissue insult such as tumor matrices and sites of wound healing .
tenascin ( tn ) is an extracellular matrix protein that is expressed widely in the fetus and sparingly in the adult , but reappears at high levels in certain areas of tissue insult such as tumor matrices and sites of wound healing .
B-protein_molecule O B-protein_molecule O O O B-protein_family_or_group I-protein_family_or_group I-protein_family_or_group O O O O O O B-multi_cell O O O O B-multi_cell O O O O O O O O O O O O O O B-tissue I-tissue O B-other_name I-other_name I-other_name I-other_name O