1. A specific area within the brain, the putamen is one of three portions into which a structure called the lenticular nucleus is conventionally divided. The putamen is structurally similar to the caudate nucleus together with which it composes what is termed the striatum. The word "putamen" is from Latin, referring to that which falls off in pruning, from "puto", to prune. It is pronounced pyu-ta´men. 2. An area of the brain that decreases in size as a result of the damage produced by Huntington's Disease.
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The outer, larger, and darker gray of the three portions into which the lenticular nucleus is divided by laminae of white fibers; it is connected with the caudate nucleus by bridging bands of gray substance that penetrate the internal capsule. Its histologic structure is similar to that of the caudate nucleus together with which it composes the striatum. SEE ALSO: striate body, lenticular nucleus. [L. that which falls off in pruning, fr. puto, to prune]

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pu·ta·men pyü-'tā-mən n, pl pu·tam·i·na -'tam-ə-nə an outer reddish layer of gray matter in the lentiform nucleus
pu·tam·i·nous -'tam-ə-nəs adj

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a part of the lenticular nucleus (see basal ganglia).

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pu·ta·men (pu-taґmən) [L. “shell”] [TA] the larger, darker (in unstained brain slices) and more lateral part of the lentiform nucleus, separated from the lateral globus pallidus by the lateral medullary lamina. putaminal adj

Medical dictionary. 2011.

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  • Putamen — Saltar a navegación, búsqueda El putamen es una estructura situada en el centro del cerebro que junto con el núcleo caudado forma el núcleo estriado. El putamen y el globo pálido forman el núcleo lenticular. La palabra putamen proviene del latín …   Wikipedia Español

  • putamen — m. anat. Porción externa y oscura del núcleo lenticular del cuerpo estriado del cerebro. Medical Dictionary. 2011. putamen porción ext …   Diccionario médico

  • putamen — ● putamen nom masculin (latin putamen, inis, coquille) Partie externe du noyau lenticulaire. (Il appartient au striatum.) ⇒PUTAMEN, subst. masc. HISTOL. ,,Segment externe du noyau lenticulaire (LOV. VEILL. 1954). V. pallidum ex. de Encyclop. Sc.… …   Encyclopédie Universelle

  • Putamen — Pu*ta men, n. [L.] (Bot.) The shell of a nut; the stone of a drupe fruit. See {Endocarp}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Putāmen — (lat.), die harte, den Kern einer Nuß einschließende Schale …   Pierer's Universal-Lexikon

  • Putāmen — (lat.), Steinkern, s. Frucht, S. 177 …   Meyers Großes Konversations-Lexikon

  • putamen — [pyo͞o tā′mən] n. pl. putamina [pyo͞otam′i nə] [ModL < L, that which falls off in pruning, waste < putare, to prune, cleanse: see PURE] the hard stone, or endocarp, of certain fruits, as of the peach and the plum, or the shell of a nut …   English World dictionary

  • Putamen — Infobox Brain Name = PAGENAME Latin = GraySubject = 189 GrayPage = 34 Caption = Coronal section of brain through anterior commissure. (Putamen labeled at center right.) Caption2 = Coronal section of brain through intermediate mass of third… …   Wikipedia

  • Putamen — Lage des Putamen (12), frontaler Schnitt …   Deutsch Wikipedia

  • Putamen — Vue en 3D du putamen (en rouge). Le putamen constitue la partie externe du noyau lenticulaire (la partie interne étant le pallidum),lequel appartient au noyau gris centraux, et au striatum. Il est bordé latéralement par la capsule externe qui le… …   Wikipédia en Français

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