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Definition of diencephalon in English: diencephalonnoun ˌdʌɪɛnˈsɛf(ə)lɒnˌdʌɪɛnˈkɛf(ə)lɒnˌdaɪənˈsɛfəlɑn Anatomy The caudal (posterior) part of the forebrain, containing the epithalamus, thalamus, hypothalamus, and ventral thalamus and the third ventricle. Compare with telencephalon Example sentencesExamples - Eye development in zebrafish first becomes morphologically obvious at the 6 somite stage, the time at which the optic lobes evaginate from the diencephalon.
- The internal capsule and corona radiata have been exposed by removal of the corpus callosum, caudate nucleus, and diencephalon.
- From previous anatomical data, we hypothesize that the level of such actions is suprametameric, with strong implication of the diencephalon and cerebral cortex.
- The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.
- The neurohypophysis, or posterior pituitary, is derived from an evagination of the infundibular portion of the diencephalon of the brain.
Derivatives adjectiveˌdʌɪɛnsɛˈfɑlɪk Anatomy To elucidate the diencephalic organization at such an early stage of development, we first established a rostral neural plate gene expression map. Example sentencesExamples - The red nucleus has been cleaned so that its larger, spherical mesencephalic part can be distinguished from the more rostral, ovoid diencephalic part.
- Transversal cut at the level of the anterior preoptic area showing ACTH-immunoreactivity cell groups around the diencephalic ventricle.
- Two cases studies of infants with a diencephalic syndrome resulting from optic nerve glioma are presented.
- He showed that electro-acupuncture stimulation can affect the diencephalic area of the brain, a region that promotes the body's own healing responses.
Origin Late 19th century: from di-3 'across' + Greek enkephalos 'brain'. Definition of diencephalon in US English: diencephalonnounˌdīənˈsefəlänˌdaɪənˈsɛfəlɑn Anatomy The caudal (posterior) part of the forebrain, containing the epithalamus, thalamus, hypothalamus, and ventral thalamus and the third ventricle. Compare with telencephalon Example sentencesExamples - The neurohypophysis, or posterior pituitary, is derived from an evagination of the infundibular portion of the diencephalon of the brain.
- The internal capsule and corona radiata have been exposed by removal of the corpus callosum, caudate nucleus, and diencephalon.
- The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.
- From previous anatomical data, we hypothesize that the level of such actions is suprametameric, with strong implication of the diencephalon and cerebral cortex.
- Eye development in zebrafish first becomes morphologically obvious at the 6 somite stage, the time at which the optic lobes evaginate from the diencephalon.
Origin Late 19th century: from di- ‘across’ + Greek enkephalos ‘brain’. |