Diencephalon and Limbic System

THE DIENCEPHALON AND LIMBIC SYSTEM THE DIENCEPHALON Comprises the thalamus, hypothalamus and the pineal gland. THALAMUS view and relations: It forms support of the floor of the squint-eyed ventricle and the dorso askant fence of the third ventricle. Its relations entangle: Dorsally the fornix. Anterosuperiorly the caudate magnetic core Laterally the inborn capsule. Posterosuperiorly the splenium of the dealer callosum. Antero requirementing(p)ly the hypothalamus (separated from the thalamus by the hypothalamic sulcus). Inferiorly the midbrain. separate: Divided by the internal and external medullary laminae (bands of myelinated fibers) into medial and lateral thermonuclear groups. The thalamus has a posterior projection, the pulvinar that has lateral and medial geniculate bodies. linage supply to the thalamus. Posteromedial primaeval arteries (Thalamoperforating arteries). Posterolateral central arteries (Ganglionic/ Thalamogeniculate arteries) Anterio r choroidal Posterior choroidal venous drainage is via the deep dodge via the thalamostriate and basal veins. The medial and lateral nuclear groups are themselves subdivided as shown in the diagram below. Their club are also indicated.

Functions of the thalamus consolidation of both sensor and aim impulses. Relay station for sensory impulses to the cortex Maintenance and regulation of consciousness, charge and alertness. Integration of the worked up correlates that accompany sensation. ? HYPOTHALAMUS Location and relations The hypothalamus lies in the inferior piece of music of the lateral wall of the lateral ventricle machine-accessible to the pituitary by the infundibular stalk. It pr! ojects into the interpeduncular fossa, by the tuber cinereum and the mamillary bodies. Its relations include: Posterosuperiorly the thalamus (separated from it by the hypothalamic sulcus) Inferiorly, the optic chiasma, optic tracts and crus cerebri. Divisions The hypothalamus can be...If you want to get a full essay, order it on our website: OrderEssay.net

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