BRAIN
SPINAL CORD
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Concerning the subarachnoid space, all the following are true EXCEPT:
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Contains cerebrospinal fluid
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Traversed by the ligamentum denticulatum
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Crossed by fibrous processes connecting pia mater to the arachnoid mater.
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Not continues with the subarachnoid space of the posterior cranial fossa.
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Ends inferiorly at the level of S. 2
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Explanation:
Detailed explanation-1: -Summary. The cerebrospinal fluid (CSF) is contained in the brain ventricles and the cranial and spinal subarachnoid spaces. The mean CSF volume is 150 ml, with 25 ml in the ventricles and 125 ml in subarachnoid spaces.
Detailed explanation-2: -The subarachnoid space is a CSF-filled compartment within which are the major cerebral blood vessels. The CSF within the subarachnoid space fills the basal cisterns and interdigitates into the cortical sulci. Traumatic SAH can be caused by bleeding of cortical arteries, veins, or brain surface cerebral contusions.
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