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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 .
Two vascular fringes from the lower fold invaginate the roof and form the choroid plexus. [7] The tela choroidea of the fourth ventricle (also known as the triangular lamella) [8] is a double layer of pia mater and ependyma, between the cerebellum and the lower part of the roof of the fourth ventricle. The two layers are continuous with each ...
353 Nerve root and plexus disorders. 353.0 Brachial plexus lesions; 353.1 Lumbosacral plexus lesions; 353.2 Cervical root lesions, not elsewhere classified; 353.3 Thoracic root lesions, not elsewhere classified; 353.4 Lumbosacral root lesions, not elsewhere classified; 353.5 Neuralgic amyotrophy; 353.6 Phantom limb syndrome; 353.8 Other; 353.9 ...
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]
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. Occlusion of the artery can result in loss of sensation, loss of part of the visual field, and impaired movement, all on the opposite side of the body as the occlusion.
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 prefixes (A01, etc.) are linked to more extensive sub-lists of codes; the medical terms are linked to articles on those topics. The source for this content is the set of 2024 MeSH Trees from NLM. [2] A – Anatomy. A01 – body regions (74 articles) A02 – musculoskeletal system (213 articles) A03 – digestive system (98 articles)
The following is a partial list of the "C" codes for Medical Subject Headings (MeSH), as defined by the United States National Library of Medicine (NLM). This list continues the information at List of MeSH codes (C09). Codes following these are found at List of MeSH codes (C11). For other MeSH codes, see List of MeSH codes.