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The mammillary bodies are a pair of small round bodies, located on the undersurface of the brain that, as part of the diencephalon, form part of the limbic system. They are located at the ends of the anterior arches of the fornix. [2] They consist of two groups of nuclei, the medial mammillary nuclei and the lateral mammillary nuclei.
The limbic system, also known as the paleomammalian cortex, is a set of brain structures located on both sides of the thalamus, immediately beneath the medial temporal lobe of the cerebrum primarily in the forebrain. [1] Its various components support a variety of functions including emotion, behavior, long-term memory, and olfaction.
The Papez circuit involves various structures of the brain. It begins and ends with the hippocampus (or the hippocampal formation). Fiber dissection indicates that the average size of the circuit is 350 millimeters. The Papez circuit goes through the following neural pathways: Hippocampal formation (subiculum) → fornix → mammillary bodies ...
centralis superior, the tegmental reticular nucleus, the ventral tegmental area of Tsai, and; the posterior hypothalamic nucleus. The nucleus is a major synaptic station for the pathways of the dorsal longitudinal fasciculus between the diencephalon and lower brain stem [11] DTN is a major source of fibers in the mammillary peduncle.
The mammillothalamic tract (also mammillary fasciculus, [1] mammillothalamic fasciculus, thalamomammillary fasciculus, bundle of Vicq d'Azyr) is an efferent pathway of the mammillary body which projects to the anterior nuclei of the thalamus. It consists of heavily myelinated fibres. [1] It is part of a brain circuit involved in spatial memory ...
Supramammillary nucleus. The supramammillary nucleus (SuM), or supramammillary area, is a thin layer of cells in the brain that lies above the mammillary bodies. It can be considered part of the hypothalamus and diencephalon. The nucleus can be divided into medial and lateral sections. The medial SuM, or SuM M, is made of smaller cells which ...
61974. Anatomical terms of neuroanatomy. [edit on Wikidata] The stria terminalis (or terminal stria) is a structure in the brain consisting of a band of fibers running along the lateral margin of the ventricular surface of the thalamus. Serving as a major output pathway of the amygdala, the stria terminalis runs from its centromedial division ...
The arbor vitae / ˌɑːrbɔːrˈvaɪtiː / (Latin for " tree of life ") is the cerebellar white matter, so called for its branched, tree-like appearance. In some ways it more resembles a fern and is present in both cerebellar hemispheres. [ 1 ] It brings sensory and motor information to and from the cerebellum.