Zona incerta

The zona incerta is a small region of gray matter that is part of the subthalamus. This nucleus is located medially to the internal capsule, ventral to the thalamus, and is contiguous with the Thalamic reticular nucleus. This nucleus separates the lenticular fasciculus from the thalamic fasciculus. This region receives widespread input from the cerebral cortex and cerebellum, and sends outputs back to the cortex. Its functions, sin embargo, remain largely unknown. v·d·e Human brain: diencephalon (TA A14.1.08, Georgia 9.807) Epithalamus Surface Pineal body · Habenula · Habenular trigone · Habenular commissure Grey matter Pretectal area · Habenular nuclei · Subcommissural organ Thalamus Surface Stria medullaris of thalamus · Thalamic reticular nucleus · Taenia thalami Grey matter/ nuclei paired: AN · Ventral (VA/VL, VP/VPM/VPL) · Lateral (LD, LP, Pulvinar) · Metathalamus (MG, LG) midline: MD · Intralaminar (Centromedian) · Midline nuclear group · Interthalamic adhesion White matter Mammillothalamic fasciculus · Pallidothalamic tracts (Ansa lenticularis, Lenticular fasciculus, Thalamic fasciculus) · PCML (Medial lemniscus, Trigeminal lemniscus) · Spinothalamic tract · Lateral lemniscus · Dentatothalamic tract · Acoustic radiation · Optic radiation · Subthalamic fasciculus · Anterior trigeminothalamic tract Medullary laminae Hypothalamus Surface Median eminence/Tuber cinereum · Mammillary body · Infundibulum Grey matter Autonomic zones Anterior (parasympathetic/heat loss) · Posterior (sympathetic/heat conservation) Endocrine posterior pituitary: magnocellular/Paraventricular/Supraoptic (oxytocin/vasopressin) otro: parvocellular/Arcuate (dopamine/GHRH) · Preoptic (GnRH) · Suprachiasmatic (melatonin) Emotion Lateral (hunger) · Ventromedial (satiety) · Dorsomedial (rage) White matter afferent (SN → Medial forebrain bundle) · efferent (Mammillothalamic fasciculus → AN, Stria terminalis → Amygdala, Dorsal longitudinal fasciculus → SC) Pituitary Posterior is diencephalon, but anterior is glandular Subthalamus Subthalamic nucleus · Zona incerta Ventricular system: Third ventricle recesses: (Optic recess, Infundibular recess, Suprapineal recess, Pineal recess) Hypothalamic sulcus · Tela chorioidea of third ventricle Subfornical organ Apertures: Interventricular/Monro Posterior commissure This page uses Creative Commons Licensed content from Wikipedia (ver autores).

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