| cisternae | <cell biology> Membrane bounded saccules of the smooth and rough endoplasmic reticulum and Golgi appartus. Operationally might almost be considered as an extra cytoplasmic compartment since substances in the cisternal space will eventually be released to the exterior. (18 Nov 1997) |
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| cisternae subarachnoideales | Widening portions of the subarachnoid space within the cranium where the arachnoid bridges over a depression on the surface of the brain. See: subarachnoid space. Synonym: cisternae subarachnoideales. (05 Mar 2000) |
| terminal cisternae | Regions of the sarcoplasmic reticulum adjacent to T tubules and from which calcium is released when striated muscle is activated. (18 Nov 1997) |