Introduction: There are manifold effects on neuro-endocrine and metabolic systems due to critical illness. Abnormalities in thyroid hormone levels in a critically-ill patient with no pre-existing hypothalamo-pituitary-thyroid dysfunction is seen in Euthyroid sick syndrome or Non thyroidal illness syndrome. The understanding of different endocrinal changes in acute phase of critical il... https://www.dubiaroachers.shop/product-category/amphibian-habitat-accessories/