lumbar cistern

lumbar cistern
cisterna lumbalis.

Medical dictionary. 2011.

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  • cistern — 1. [TA] Any cavity or enclosed space serving as a reservoir, especially for chyle, lymph, or cerebrospinal fluid. 2. An ultramicroscopic space occurring between the membranes of the flattened sacs of the endoplasmic reticulum …   Medical dictionary

  • dural sac — 1. the portion of the spinal dura mater extending caudally from the level of the first or second lumbar vertebra to the attachment at the filum terminale externum, about the first or second sacral vertebra, and containing the lumbar cistern,… …   Medical dictionary

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  • cauda — SYN: tail (1). [L. a tail] c. epididymidis [TA] SYN: tail of epididymis. c. equina [TA] the bundle of spinal nerve roots arising from the lumbosacral enlargement and medullary cone and running through the lumbar …   Medical dictionary

  • Cauda equina — A bundle of spinal nerve roots, called the cauda equina because it resembles a horse s tail, that arise from the end of the spinal cord. The cauda equina comprises the roots of all the spinal nerves below the first lumbar (L1) vertebra in the… …   Medical dictionary

  • cisterna lumbalis — [TA] lumbar cistern: the enlargement of the subarachnoid space caudal to the conus medullaris, containing the cauda equina, the pial part of the filum terminale, and cerebrospinal fluid; it is the site of lumbar puncture …   Medical dictionary

  • arachnoid — SYN: a. mater. [G. arachne, spider, cobweb, + eidos, resemblance] a. of brain SYN: cranial a. mater. cranial a. mater [TA] that portion of the a. that lies within the cranial cavity and surrounds the …   Medical dictionary

  • pars pialis fili terminalis — [TA] pial part of filum terminale: the prolongation of the spinal pia mater from the conus medullaris downward through the lumbar cistern, surrounded by the cauda equina, to attach to the inner aspect of the dural sac about the level of the… …   Medical dictionary

  • cisterna — SYN: cistern. [L. an underground cistern for water, fr. cista, a box] c. ambiens [TA] SYN: ambient cistern. c. basalis SYN: interpeduncular cistern. c. caryothecae the space between the internal and external membranes of the nuclear …   Medical dictionary

  • List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… …   Wikipedia

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