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Ventricles of the brain are cavities within the brain that produce and store cerebrospinal fluid (CSF). This liquid surrounds your brain and spinal cord, cushioning them and protecting them from trauma. It is also responsible for removing waste and delivering nutrients to your brain.
Characteristic features include prominent cerebral sulci (i.e. cortical atrophy) and ventriculomegaly (i.e. central atrophy) without bulging of the third ventricular recesses. It can be difficult to distinguish this from the changes seen in normal pressure hydrocephalus.
The surface of the brain, known as the cerebral cortex, is very uneven, characterized by a distinctive pattern of folds or bumps, known as gyri (singular: gyrus), and grooves, known as sulci (singular: sulcus).
The brain undergoes several key morphological changes referred to as cerebral atrophy which manifests primarily as gray and white matter volume loss, ventricular enlargement, and sulcal widening (Fjell and Walhovd, 2010).
The sulci, fissures, basal cisterns and ventricles together form the 'CSF spaces', also known as the 'extra-axial spaces'. CSF is of lower density than the grey or white matter of the brain, and therefore appears darker on CT images.
Cerebral atrophy is a pathologic diagnosis indicating an irreversible loss of brain substance. 1,2 It appears as progressive dilation of the ventricles and cortical sulci on magnetic resonance imaging (MRI). 1 Global cerebral atrophy is often classified into subcortical atrophy, reflecting ventricular dilation, and cortical atrophy, reflecting ...
The cerebral ventricular system is made up of 4 ventricles that include 2 lateral ventricles (1 in each cerebral hemisphere), the third ventricle in the diencephalon, and the fourth ventricle in the hindbrain.
There are four such hollow spaces in the brain that house cerebrospinal fluid (CSF): two lateral ventricles, a third ventricle and a fourth ventricle. This article will look at the structure of this system and how it helps the brain. Contents. Choroid plexus. Lateral ventricles. Central part. Frontal horn. Temporal horn. Occipital horn.
The ventricular system consists of four ventricles in the brain. Ventricles are a communicating network of chambers filled with cerebrospinal fluid (CSF). The ventricular system is the pathway for the CSF and is critical to the central nervous system ’s overall functioning.
In neuroanatomy, the ventricular system is a set of four interconnected cavities known as cerebral ventricles in the brain. [ 1 ] [ 2 ] Within each ventricle is a region of choroid plexus which produces the circulating cerebrospinal fluid (CSF).