Cistern

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Related to cisternal: cisternal puncture

cistern

[′sis·tərn]
(anatomy)
A closed, fluid-filled sac or vesicle, such as the subarachnoid spaces or the vesicles comprising the dictyosomes of a Golgi apparatus.
(civil engineering)
A tank for storing water or other liquid.
(geology)
A hollow that holds water.

Cistern

A tank used to store rainfall that has been collected from a roof or some other catchment area, usually located underground. The water is generally used for watering lawns and gardens, washing cars, and similar uses, but it can also be used for flushing toilets and, with treatment, for all other uses. Cisterns help conserve water and prevent pollution of nearby streams from runoff.

cistern

An artificial reservoir or tank for storing water at atmospheric pressure (such as rain-water collected from a roof) for use when required.
References in periodicals archive ?
Cerebrospinal fluid (CSF) obtained by cisternal puncture showed slight xanthochromia; a nucleated cell count of 2094/[micro]L (54% lymphocytes); glucose, 2 mg/dL; and protein, 368 mg/dL.
The concerns regarding epidural analgesia in this case involve a number of possibilities: the theoretical risk that infusions of large volumes of local anaesthetic could increase ICP by a secondary compression effect on cerebrospinal fluid; the risk that dural puncture in a patient with recent intracranial haemorrhage may not actually lead to brainstem herniation but may cause brain shifting, which with loss of cisternal cushioning, might tear fragile fibrin plugs and result in renewed intracranial bleeding.
Ultrastructural changes at this stage paralleled the biochemical findings in that the mitochondria were dramatically altered in size and shape and there was extensive loss of the basal plasma membrane infoldings together with complex cisternal proliferation in proximal tubular cells.