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The choroid plexus, or plica choroidea, is a plexus of cells that arises from the tela choroidea in each of the ventricles of the brain. [1] Regions of the choroid plexus produce and secrete most of the cerebrospinal fluid (CSF) of the central nervous system .
The anterior choroidal artery is a bilaterally paired artery of the brain. It is typically a branch of the internal carotid artery which supplies the choroid plexus of lateral ventricle and third ventricle as well as numerous structures of the brain.
the anterior choroidal artery (branch from the internal carotid). the posterior choroidal artery (branch from the posterior cerebral artery). Medial posterior choroidal branches run forward beneath the splenium of the corpus callosum, and supply the tela chorioidea of the third ventricle and the choroid plexus.
Most (about two-thirds to 80%) of CSF is produced by the choroid plexus. [1] [2] The choroid plexus is a network of blood vessels present within sections of the four ventricles of the brain. It is present throughout the ventricular system except for the cerebral aqueduct, and the frontal and occipital horns of the lateral ventricles. [21]
The choroid, also known as the choroidea or choroid coat, is a part of the uvea, the vascular layer of the eye. It contains connective tissues , and lies between the retina and the sclera . The human choroid is thickest at the far extreme rear of the eye (at 0.2 mm), while in the outlying areas it narrows to 0.1 mm. [ 1 ] The choroid provides ...
The posterior inferior cerebellar artery (PICA) is the largest branch of the vertebral artery. It is one of the three main arteries that supply blood to the cerebellum , a part of the brain . Blockage of the posterior inferior cerebellar artery can result in a type of stroke called lateral medullary syndrome .
The posterior choroidal branches of the posterior cerebral artery are sometimes referred to as a single posterior choroidal artery. Medial posterior choroidal branches: run forward beneath the splenium of the corpus callosum, and supply the tela choroidea of the third ventricle and the choroid plexus.
The superior choroid vein runs along the length of the choroid plexus in the lateral ventricle. It drains the choroid plexus, and also the hippocampus , fornix , and corpus callosum . It unites with the superior thalamostriate vein to form the internal cerebral vein .