05/01/2015 · Definition of tumor. 1 : an abnormal benign or malignant new growth of tissue that possesses no physiological function and arises from uncontrolled usually rapid cellular proliferation. — called also neoplasm.

A brain tumour is any intracranial tumor normally either in the brain itself in the cranial nerves, in the brain envelopes, skull, pituitary and pineal gland, or spread from cancers primarily located in other organs (metastatic tumors). It is created by abnormal and uncontrolled cell division.

This shows grade level based on the word's complexity. noun. a swollen part; swelling; protuberance. an uncontrolled, abnormal, circumscribed growth of cells in any animal or plant …

tumour definition: a mass of diseased cells that might become a lump or cause illness: . Learn more.

Define tumor. tumor synonyms, tumor pronunciation, tumor translation, English dictionary definition of tumor. n. 1. An abnormal growth of tissue resulting from uncontrolled, progressive multiplication of cells and serving no physiological function; a neoplasm. 2.

tumour, also spelled tumor, also called neoplasm, a mass of abnormal tissue that arises without obvious cause from preexisting body cells, has no purposeful function, and is characterized by a tendency to independent and unrestrained growth.

28/10/2021 · We now know that this is a tumor that is cancerous and able to spread to surrounding tissues. In order for cells to become a mass or tumor, they go rogue and stop acting like normal cells.

tumor; any new and abnormal growth, specifically one in which cell multiplication is uncontrolled and progressive. Neoplasms may be benign or malignant. Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

History and Etymology for neoplasm borrowed from German Neoplasma, from neo- neo- + -plasma -plasm (perhaps as Greco-Latin rendering of German Neubildung, Gewebsneubildung ) Learn More About neoplasm