psammoma bodies

См. также в других словарях:

• Psammoma body — A psammoma body is a round collection of calcium, seen microscopically. The term is derived from the Greek word psammos meaning sand. Psammoma bodies are commonly seen in certain tumors such as: * papillary thyroid carcinoma * renal cell… …   Wikipedia

• psammoma — Obsolete term for psammomatous meningioma or meningioma. [psammo + G. oma, tumor] Virchow p. SYN: psammomatous meningioma. * * * psam·mo·ma sa mō mə n, pl mas …   Medical dictionary

• psammoma body — a spherical, concentrically laminated mass of calcareous material, usually of microscopic size; such bodies occur in both benign and malignant epithelial and connective tissue tumors, and are sometimes associated with chronic inflammation.… …   Medical dictionary

• psammoma — n. a tumour containing gritty sandlike particles (psammoma bodies). It is typical of cancer of the ovary but may also be found in the meninges (the membranes surrounding the brain) …   The new mediacal dictionary

• psammoma body — A structure found in some benign (noncancerous) or malignant (cancerous) tumor cells. Psammoma bodies look like hardened concentric rings when viewed under a microscope. They can be a sign of chronic inflammation …   English dictionary of cancer terms

• body — 1. The head, neck, trunk, and extremities. The human b., consisting of head (caput), neck (collum), trunk (truncus), and limbs (membra). 2. The material part of a human, as distinguished from the …   Medical dictionary

• Meningioma — A type of brain tumor that starts within the meninges. These slow growing tumors are sometimes associated with prior head trauma. * * * A benign, encapsulated neoplasm of arachnoidal origin, occurring most frequently in adults; most frequent form …   Medical dictionary

• psammomatous — Possessing or characterized by the presence of psammoma bodies; refers usually to certain types of meningioma or to meningeal hyperplasia with psammoma bodies. * * * psam·mo·ma·tous (sam oґmə təs) characterized by the presence of or… …   Medical dictionary

• corpus — 1. SYN: body. 2. Any body or mass. 3. The main part of an organ or other anatomic structure, as distinguished from the head or tail. SEE ALSO: body, diaphysis, soma. [L …   Medical dictionary

• Rudolf Virchow — Rudolph Carl Virchow Rudolph Virchow Born 13 October 1821 Schivelbein, Pomerania …   Wikipedia

• psammomatous meningioma — a transitional meningioma that contains many psammoma bodies; called also psammoma …   Medical dictionary