Hepatic artery embolization hepatic artery. The percutaneous Seldinger technique introduces a catheter, which is a thin flexible tube made of medical grade material, into the hepatic artery under radiological control. This approach was developed for metastatic neuroendocrine tumors in the early 1970s. Tumor cells get over 90% of their nutrients from the hepatic artery, while the normal cells of the liver get about 70-80 percent of their nutrients and 50% their oxygen supply from the portal vein, and thus can survive with the hepatic artery effectively blocked. Once the catheter is carefully placed in the artery or in a selected branch, the blood
Nominalized adjective "headwind" is then assumed. The third type is known as the "permanent" adjectival noun and has an adjective that stands alone as a noun. Such adjectives have become nouns over time, and most speakers are aware of their implicit adjectival meaning. Nominalized adjectives occur frequently in both Classical Arabic and Modern Standard Arabic. An example would be "things (that are) Islamic", which is derived from the adjective "Islamic" in the inanimate plural inflection. Another example would be "the big one" (said of a person or thing of masculine gender), from "big" inflected in the masculine singular. Nominalized adjective A nominalized