Neothalamus

Neothalamus

The neothalamus is part of the diencephalon, a portion of the brain of higher organisms including humans. The neothalamus receives input from the thalamus and projects to the association areas of the neocortex. It contains the largest division of nuclei in the brain and is larger in animals with a well-developed cortex.

Nociceptive signals received in the spinal cord from primary afferent neurons are projected via secondary afferent neurons, specifically, via the neospinothalamic tract, through the neothalamus, where the tract terminates, to the somatosensory cortex.

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  • neothalamus — The portion of the thalamus projecting to the neocortex. * * * neo·thal·a·mus nē ō thal ə məs n, pl mi .mī the phylogenetically more recent part of the thalamus including the lateral nuclei and the pulvinar together with the geniculate bodies * * …   Medical dictionary

  • neothalamus — neo·thalamus …   English syllables

  • neothalamus — |nē(ˌ)ō+ noun Etymology: New Latin, from ne + thalamus : the phylogenetically more recent part of the thalamus including the lateral nucleus and the pulvinar together with the geniculate bodies …   Useful english dictionary

  • palaeothalamus — n. the anterior and central part of the thalamus, older in evolutionary terms than the lateral part, the neothalamus, which is well developed in apes and humans …   Medical dictionary

  • association areas — areas of the cerebral cortex (excluding the primary areas) that are connected with each other and with the neothalamus by numerous fibers passing through the corpus callosum and the white matter of the hemispheres; these areas are responsible for …   Medical dictionary

  • THALAMUS OPTICUS — THALAMUS OPTICUS, зрительный бугор, наиболее объемистый и сложный по структуре из базалъных узлов (см.); представляет собой скопление серого вещества, пронизанное во локнами и отделенное от такого же образования другой стороны желудочком. Т. о.… …   Большая медицинская энциклопедия

  • palaeothalamus — n. the anterior and central part of the thalamus, older in evolutionary terms than the lateral part, the neothalamus, which is well developed in apes and humans …   The new mediacal dictionary

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