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adenocarcinoma

Babylon English English dictionary

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adenocarcinoma
n. cancer that originates in the cells that line the walls or inner surface of an organ of the body

Wikipedia English The Free Encyclopedia

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Adenocarcinoma
Adenocarcinoma (, "gland" + , "cancerous" + , "tumor") (; plural adenocarcinomas or adenocarcinomata ) is neoplasia of epithelial tissue that has glandular origin, glandular characteristics, or both. In the most specific usage (narrowest sense), the glandular origin or traits are exocrineendocrine gland tumors, such as a VIPoma, an insulinoma, or a pheochromocytoma, are typically not referred to as adenocarcinomas but rather are often called neuroendocrine tumors. Epithelial tissue includes, but is not limited to, the surface layer of skin, glands, and a variety of other tissue that lines the cavities and organs of the body. Epithelial tissue can be derived embryologically from any of the germ layers (ectodermendoderm, or mesoderm). To be classified as adenocarcinoma, the cells do not necessarily need to be part of a gland, as long as they have secretory properties. Adenocarcinoma is the malignant counterpart to adenoma, which is the benign form of such tumors. Sometimes adenomas transform into adenocarcinomas, but most do not. Well differentiated adenocarcinomas tend to resemble the glandular tissue that they are derived from, while poorly differentiated adenocarcinomas may not. By staining the cells from a biopsy, a pathologist can determine whether the tumor is an adenocarcinoma or some other type of cancer. Adenocarcinomas can arise in many tissues of the body owing to the ubiquitous nature of glands within the body, and, more fundamentally, to the potency of epithelial cells. While each gland may not be secreting the same substance, as long as there is an exocrine function to the cell, it is considered glandular and its malignant form is therefore named adenocarcinoma.

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WordNet 2.0 Dictionary

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adenocarcinoma

Noun
1. malignant tumor originating in glandular epithelium
(synonym) glandular cancer, glandular carcinoma
(hypernym) carcinoma
(hyponym) prostate cancer, prostatic adenocarcinoma


Babylon Italian English dictionary

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adenocarcinoma
nm. (Pathoogy) adenocarcinoma

Babylon Spanish English dictionary

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adenocarcinoma
nf. cancer that originates in the cells on the surface of inner organs


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