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The word neoplastic itself comes from Greek neo 'new' and plastic 'formed, molded'. [citation needed] The term tumor derives from the Latin noun tumor 'a swelling', ultimately from the verb tumēre 'to swell'. In the British Commonwealth, the spelling tumour is commonly used, whereas in the U.S. the word is usually spelled tumor. [citation needed]
tumor, mass, fluid collection Greek -μα (-ma), suffix added to verbs to form nouns indicating the result of a process or action; cf. English -tion: sarcoma, teratoma, mesothelioma: omphal(o)-of or pertaining to the navel, the umbilicus: Greek ὀμφαλός (omphalós), navel, belly-button omphalotomy: onco-tumor, bulk, volume Greek ...
A neoplasm or tumor is a group of cells that have undergone unregulated growth and will often form a mass or lump, but may be distributed diffusely. [28] [29] All tumor cells show the six hallmarks of cancer. These characteristics are required to produce a malignant tumor. They include: [30] Cell growth and division absent the proper signals
Cancers are usually named using -carcinoma, -sarcoma or -blastoma as a suffix, with the Latin or Greek word for the organ or tissue of origin as the root. For example, the most common cancer of the liver parenchyma ("hepato-" = liver), arising from malignant epithelial cells ("carcinoma"), would be called a hepatocarcinoma , while a malignancy ...
Malignancy (from Latin male ' badly ' and -gnus ' born ') is the tendency of a medical condition to become progressively worse; the term is most familiar as a characterization of cancer. A malignant tumor contrasts with a non-cancerous benign tumor in that a malignancy is not self-limited in its growth, is capable of invading into adjacent ...
Alzheimer's disease – (AD), also referred to simply as Alzheimer's, is a chronic neurodegenerative disease that usually starts slowly and worsens over time. [15] [16] It is the cause of 60–70% of cases of dementia. [15] [16] The most common early symptom is difficulty in remembering recent events (short-term memory loss). [15]
Cancer cells are cells that divide continually, forming solid tumors or flooding the blood or lymph with abnormal cells. [1] Cell division is a normal process used by the body for growth and repair.
the verb headhunt is a back-formation of headhunter; the verb edit is formed from the noun editor [5] the word televise is a back-formation of television; The process is motivated by analogy: edit is to editor as act is to actor. This process leads to a lot of denominal verbs.