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Encyclopedia > Alveus of the hippocampus

The alveus of the hippocampus borders the wall of the lateral ventricle and is composed of white, myelinated fibers. The alveus arises from cell bodies in the subiculum and hippocampus, and eventually merges with the fimbria of the hippocampus. The fimbria goes on to become the fornix. These structures are part of the limbic system. The location of the hippocampus in the human brain. ... The ventricular system is a fluid conducting system within the brain. ... In neuroscience, myelin is an electrically insulating phospholipid layer that surrounds the axons of many neurons. ... The subiculum (Latin: support) forms the most inferior portion of the hippocampus. ... The location of the hippocampus in the human brain. ... A fimbria (plural fimbriae) is an appendage in many gram-negative bacteria that is thinner and shorter than a flagellum. ... Grays FIG. 747– Diagram of the fornix. ... The limbic system is a group of brain structures that are involved in various emotions such as aggression, fear, pleasure and also in the formation of memory. ...


See also

The telencephalon (te-len-seff-a-lon) is the technical name for a large region within the brain which is attributed many functions, which some groups would class as unique features which make humans stand out from other species. ... The location of the hippocampus in the human brain. ... The limbic system is a group of brain structures that are involved in various emotions such as aggression, fear, pleasure and also in the formation of memory. ...

References

  • "Alveus of the hippocampus." Stedman's Medical Dictionary, 27th ed. (2000). ISBN 0-683-40007-X
  • Haines, Duane E. Fundamental Neuroscience, 2nd ed. (2002). ISBN 0-443-06603-5

  Results from FactBites:
 
IX. Neurology. 4e. Composition and Central Connections of the Spinal Nerves. Gray, Henry. 1918. Anatomy of the Human ... (8263 words)
The dentate gyrus which may be considered as a modified part of the hippocampus is partially separated from the gyrus hippocampus by the hippocampal fissure and from the fimbria by the fimbrio-dentate sulcus; it is intimately connected with the hippocampal gyrus and the hippocampus.
The white matter of the indusium known as the medial longitudinal striæ (nerves of Lancisi) and the lateral longitudinal striæ, are related to the indusium somewhat as the cingulum is to the gyrus cinguli.
The olfactory projection fibers which arise from the pyramid cells of the uncus and hippocampus and from the polymorphic cells of the dentate gyrus form a dense stratum on the ventricular surface, especially on the hippocampus, called the alveus.
IX. Neurology. 4c. The Fore-brain or Prosencephalon. Gray, Henry. 1918. Anatomy of the Human Body. (13322 words)
—The rhinencephalon comprises the olfactory lobe, the uncus, the subcallosal and supracallosal gyri, the fascia dentata hippocampi, the septum pellucidum, the fornix, and the hippocampus.
Here it lies along the concavity of the hippocampus, on the surface of which some of its fibers are spread out to form the alveus, while the remainder are continued as a narrow white band, the fimbria hippocampi, which is prolonged into the uncus of the hippocampal gyrus.
The portion in relation to the inferior cornu lies in the concavity of the hippocampus and overlaps the fimbria hippocampi: from the lateral edge of the fimbria the epithelium is reflected over the plexus on to the roof of the cornu (Fig.
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