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Diencephalon |
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diencephalon /di·en·ceph·a·lon/ (di?en-sef´ah-lon) 1. the posterior part of the forebrain, consisting of the hypothalamus, thalamus, metathalamus, and epithalamus; the subthalamus is often recognized as a distinct division. ) Diencephalon. Posterior (dorsal) (A) and anterior (inferior) (B) views of the base of the brain, showing the diencephalon in relation to the mesencephalon (midbrain) and rhombencephalon (hindbrain). 2. the posterior of the two brain vesicles formed by specialization in embryonic development. See also brain stem. diencephal´ic
Diencephalon A part of the brain that binds the mesencephalon to the cerebral hemispheres. Considered by some as part of the brain stem. Mentioned in: Korsakoff's Syndrome diencephalon 1. the caudal part of the forebrain, consisting of the hypothalamus, thalamus, metathalamus and epithalamus; the subthalamus is often considered to be a distinct division. 2. the more caudal of the two brain vesicles formed by specialization of the prosencephalon in the developing embryo. See also brainstem. |
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Histopathologic examination of sections from the cortex, hippocampus, thalamus, hypothalamus, midbrain, pons, medulla, and cerebellum showed polioencephalitis affecting predominantly the diencephalon and brainstem and involving varying degrees of neuronopathy, neuronal loss, astrocytosis, parenchymal and perivascular lymphocytic infiltration with CD45 immunopositivity, sparse macrophage activation, and axonal spheroid formation. In general, most of this book is focused on matters dealing with somatomotor and somatosensory systems, whereas other areas that may be of less interest to therapists, such as the diencephalon, are barely mentioned. Indeed, this gene was first isolated from the diencephalon of X. |
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Diencephalon
