The presence of prominent microvilli along the plasma membrane in isolated and cultured adult ducts has been described [25] and such structures are essential to the normal function of these cells in vivo [26].
Cation/proton exchangers are essential to the normal function of the cell.
Some of these genes, such as FGF1, are also involved in angiogenesis, which is essential to the normal function and development of intestinal tissue [ 50].
COX-1 is the constitutive form of the enzyme, naturally expressed at low levels and essential to the normal function of many tissues, whereas COX-2 is the inducible form, which is commonly up-regulated following an insult to the tissue [ 12].
Hormonal factors may play a role in the etiology of prostate cancer, because androgens, particularly testosterone and dihydrotestosterone, are essential to the normal growth and functioning of the prostate (Adami 2008).
Vaz, R. P., Cardoso, A., Sá, S. I., Pereira, P. A. & Madeira, M. D. The integrity of the nucleus of the lateral olfactory tract is essential for the normal functioning of the olfactory system.
Cod: Like other non-oily fish such as plaice or haddock, it contains high levels of selenium, a nutrient essential for the normal functioning of the immune system and thyroid gland, as well as niacin, Vitamin B12, magnesium and potassium.
