intracoronary bracytherapy
The inner transition metals are radioactive and are found in the f-block. These are commonly referred to as actinoids and are alkali metals.
Anions.
The flattened membrane which packages substances is referred to as the Golgi Apparatus or Golgi Body.
What I think you are asking is what is a heart catheterization. It is a medical procedure, sometimes also referred to as a coronary angiogram, A test to check the blood flow and pressure within the heart and the vessels that provide oxygen to the heart ( coronary arteries)
surgery performed on the beating heart to provide coronary artery bypass grafting. This technique is often referred to as MIDCAB, minimally invasive direct coronary artery bypass; or OPCAB, off-pump CABG.
All substances are made of atoms, except the substance that makes up a neutron star.
There many substances that can interfere with cholesterol absorption in the small intestine. The most common substances include phytosterois and ezetimibe. All these are referred to as cholesterol absorption inhibitors.
In terms of Pharmacy, it is the term referred to as the Advisory Committee on Borderline Substances
Water Quality
If you are referring to a cell's nucleus than the simple answer is that's not radioactive. Radioactivity occurs when elemental atoms become unstable due to the loss or gain of additional neutrons; these unstable atoms are referred to as radioactive isotopes. If a cell's nucleus were radioactive it would not last very long, its structure and function would quickly degrade and collapse.
The molecules which stimulate or inhibit cell division are referred to as cytokinins. These are classified as plant growth substances commonly known as phytohormones.
Filterization is a process of filtering something which is commonly referred to as filtration. This is a method used to separate substances.