Thecal sac - Wikipedia
The thecal sac or dural sac is the membranous sheath (theca) or tube of dura mater that surrounds the spinal cord and the cauda equina. The thecal sac contains the cerebrospinal fluid which provides nutrients and buoyancy to the spinal cord. [1]
Spinal Cord and Cauda Equina of the Lumbar Spine
The dura mater and arachnoid mater are collectively called the dural sac or the thecal sac. This sac covers the conus medullaris, cauda equina, and each individual spinal nerve root as it courses out of the cauda equina and travels into the intervertebral foramen (bony opening through which the nerve exits the spinal canal). 2 Darby SA.
Dural Sac Tears During Spinal Surgery - Verywell Health
2024年4月3日 · Dural sac tears sometimes happen during a back surgery, which may need a second procedure. Find out what you can expect when you have one.
Thecal Sac: Definition - Spine Info
2023年6月26日 · The thecal sac, also known as the dural sac, is a structure within the spinal canal that contains the spinal cord, nerve roots, and cerebrospinal fluid (CSF). It is a protective covering that surrounds and encloses the spinal cord and the roots of the spinal nerves .
Ultrastructural Anatomy of the Spinal Meninges and Related
DURAL SAC. The dural sac surrounds the spinal cord inside the vertebral column. It separates the epidural space from the subarachnoid space, ending at the second sacral vertebra.
Spinal Cord Anatomy - Spine - Orthobullets
2024年7月30日 · dura-surrounded sac that extends from the spinal cord and contains cerebrospinal fluid, nerve roots, and the cauda equina
Spinal Dura (Sacral) | Complete Anatomy - Elsevier
The spinal dura mater forms the dural sac, running from the foramen magnum rostrally to the S2 vertebrae caudally. The spinal dura extends laterally with nerve roots to cover nerves as they emerge from the spinal canal. The dura mater blends with the epineurium of the spinal nerves.
Dura: anatomy, function and innervation - Kenhub
2024年6月4日 · Dura is the thick outer most layer of the 3 meninges. The thick fibrous dura surrounds, supports and protects the central nervous system (brain and spinal cord). In the cranium the dura forms folds to form partitions of the cranial cavity, and separates in places to form dural venous sinuses.
Spinal Cord and Spinal Nerve - Page 3 of 14 - Texas Tech …
The dura, made of a dense fibrous material, forms the dural sac, which surrounds the spinal cord and cauda equina (to be discussed later) and terminates at the level of the second sacral vertebra. The dura is separated from the vertebrae by the epidural fat in the epidural space (epi, meaning upon).
Spinal cord (cross section), spinal meninges, dural sac | Acland's ...
The sleeve of dura is called the dural sac. It’s open at the top end, and closed at the bottom. Here at the base of the skull, the dural sac passes through the foramen magnum, becoming continuous with the layer of dura that surrounds the brain.