In biology, the inner lining of tubular structures is called a lumen. This can refer to numerous tubular structures in the body, such as the lumen of the veins and arteries, the lumen of the intestines or the tubes in the kidneys. This term can also be used to describe a space defined by membranes of cell organelles such as the lumen of the mitochondria, the Golgi apparatus, and others.
<span>Nurses who are pregnant or could become pregnant should not handle finasteride and dutasteride if they are broken or crushed due to the high risk of abnormal growth that can occur to male fetus.</span>
