corpora arenacea

corpora arenacea
gritty calcareous concretions deposited in concentric rings around an organic matrix in certain areas in the brain, particularly the extracellular matrix of the pineal body, and accumulating progressively with age; called also brain sand.

Axial CT scan showing corpora arenacea encircling the pineal gland.


Medical dictionary. 2011.

Look at other dictionaries:

  • Corpora arenacea — Code TH H3.08.02.3.00007 Corpora arenacea (or brain sand) are calcified structures in the pineal gland and other areas of the brain such as the choroid plexus. Older organisms have numerous corpora arenacea, whose function, if any, is unknown.… …   Wikipedia

  • CORPORA ARENACEA — CORPORA ARENACEA, песчаные тельца (лат. corpus тело и arenaceus песочный), син. corpora psammosa, мелкие (около 20 ЪО /и) кругловатые образования, как бы песчинки, плотной консистенции, с концентрической слоистостью на разрезе. Внутренние слои их …   Большая медицинская энциклопедия

  • sand bodies — corpora arenacea …   Medical dictionary

  • песчаные тельца — (corpora arenacea) мелкие петрификаты, образующиеся в протоках желез, чаще предстательной железы, вследствие инкрустации белкового секрета солями кальция …   Большой медицинский словарь

  • Песча́ные тельца́ — (corpora arenacea) мелкие петрификаты, образующиеся в протоках желез, чаще предстательной железы, вследствие инкрустации белкового секрета солями кальция …   Медицинская энциклопедия

  • 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

  • Pineal gland — Diagram of pituitary and pineal glands in the human brain Latin glandula pinealis Gray s …   Wikipedia

  • 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

  • Ovary — For ovary as part of plants, see ovary (plants). Ovaria redirects here. This is also a proposed section and a synonym of Solanum. Ovary Blood supply of the human female reproductive organs. The left ovary is visible above the label …   Wikipedia

  • Organ of Zuckerkandl — The abdominal aorta and its branches. (Organ of Zuckerkandl is not shown, but it usually appears alongside the abdominal aorta.) The Organ of Zuckerkandl is a chromaffin body derived from neural crest located at the bifurcation of the aorta …   Wikipedia

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