Abstract
The lateral ventricles are C-shaped cavities arranged around the thalamus, the center of the brainstem. Their walls are adjacent to several structures, such as the fornix and caudate nucleus, which are also arranged around the thalamus in the shape of a C. Divided into the frontal horn, body, atrium, and occipital and temporal horn, they are closely related to the corpus callosum, the main commissure of the telencephalon. The choroid plexus, which produces the cerebrospinal fluid, is attached to the thalamus and fornix, forming the choroidal fissure. The choroid plexus is one of our main anatomical references during intraventricular surgery, attached by a membrane to the thalamus and by another membrane to the fornix, forming the thalamic and fornix tenia, respectively. This simple information is revealed during intraventricular surgery because every time the choroid plexus is identified, it is made clear that the thalamus and fornix are neighbor structures. The thalamus is also the main reference to delineate the lateral ventricle cavities, as the frontal horn is located above and in front of the thalamus, the body of the lateral ventricle is located superiorly, the atrium is located posteriorly, and the temporal horn is located below.
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Chaddad-Neto, F., Silva da Costa, M.D. (2022). Surgical Anatomy of the Lateral Ventricles. In: Microneuroanatomy and Surgery. Springer, Cham. https://doi.org/10.1007/978-3-030-82747-2_6
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DOI: https://doi.org/10.1007/978-3-030-82747-2_6
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