dural sac

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, cauda equina, cerebrospinal fluid, and filum terminale internum. 2. more broadly, the entire length of the spinal dura mater from the foramen magnum to the attachment at the filum terminale externum; located in the vertebral canal and containing the spinal cord, spinal roots, and the contents of the lumbar cistern.

Medical dictionary. 2011.

Игры ⚽ Поможем написать реферат

Look at other dictionaries:

  • Dural ectasia — is a widening or ballooning of the dural sac surrounding the spinal cord usually at the lumbosacral level. It is one of the major manifestations of Marfan syndrome. It may cause low back pain, headaches and neurological signs such as weakness and …   Wikipedia

  • dural — dural, ale, aux [ dyral, o ] adj. • 1959; de dure mère ♦ Anat. Qui se rapporte à la dure mère. Cul de sac dural. Gaine durale. dural duralumin [ dyralymɛ̃ ] n. m. • 1895; n. déposé, de Düren, ville d Allemagne où l alliage fut créé, et aluminium …   Encyclopédie Universelle

  • Diastomatomyelia — Diastematomyelia Classification and external resources File:Diastematomyelia 010.jpg ICD 10 Q06.2 ICD 9 …   Wikipedia

  • Marfan syndrome — Marfan redirects here. For the person after whom the syndrome is named, see Antoine Marfan. Marfan syndrome Classification and external resources Micrograph demonstrating myxomatous degeneration of the aorti …   Wikipedia

  • filum — A structure of filamentous or threadlike appearance. [L. thread] f. durae matris spinalis SYN: dural part of f. terminale. fila olfactoria [TA] SYN: olfactory nerves [CN I], under nerve. olfactory fila SYN: olfactory nerves [CN I], under nerve.… …   Medical dictionary

  • Meningitis — Classification and external resources Meninges of the central nervous system: dura mater, arachnoid, and pia mater. ICD 10 G …   Wikipedia

  • Ligament — A ligament is a tough band of connective tissue that connects various structures such as two bones. Ligament is a fitting term; it comes from the Latin ligare meaning to bind or tie. * * * 1. A band or sheet of fibrous tissue connecting two or… …   Medical dictionary

  • part — A portion. SYN: pars [TA]. abdominal p. of aorta SYN: abdominal aorta. abdominal p. of esophagus [TA] the portion of the esophagus from where it passes through the diaphragm to the stomach. See …   Medical dictionary

  • filum terminale — fi·lum ter·mi·na·le fī ləm .tər mə nā (.)lē, fē ləm .ter mə näl .ā n, pl fi·la ter·mi·na·lia fī lə tər mə nā lē ə, fē lə .ter mə näl ē ə the slender threadlike prolongation of the spinal cord below the origin of the lumbar nerves: the last… …   Medical dictionary

  • pars duralis fili terminalis — [TA] dural part of filum terminale: the downward prolongation of the spinal dura mater from the lower end of the dural sac, about the level of the second sacral vertebra, to the first coccygeal vertebral segment. Called also filum terminale… …   Medical dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”