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单词 subarachnoid space
释义

subarachnoid space


subarachnoid space

n. The space between the arachnoid membrane and pia mater that is filled with cerebrospinal fluid and contains the large blood vessels that supply the brain and spinal cord.
Thesaurus
Noun1.subarachnoid space - a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluidmeninges, meninx - a membrane (one of 3) that envelops the brain and spinal cordspace - an empty area (usually bounded in some way between things); "the architect left space in front of the building"; "they stopped at an open space in the jungle"; "the space between his teeth"
Translations

subarachnoid space


subarachnoid space

[¦səb·ə′rak‚nȯid ¦spās] (anatomy) The space between the pia mater and the arachnoid of the brain.

subarachnoid space


space

 [spās] 1. a delimited area.2. an actual or potential cavity of the body.3. the areas of the universe beyond the earth and its atmosphere. adj., adj spa´tial.danger space a subdivision of the retropharyngeal space, extending from the base of the skull to the level of the diaphragm; so called because it provides a route by which infection of the pharynx can spread to the mediastinum.dead space see dead space.epidural space the space between the dura mater and the lining of the spinal canal.intercostal space the space between two adjacent ribs.interpleural space mediastinum.interproximal space (interproximate space) the space between the surfaces" >proximal surfaces of adjoining teeth; called also proximal or proximate space.intervillous space the space of the placenta into which the chorionic villi project and through which the maternal blood circulates.lymph s's open spaces filled with lymph in connective or other tissue, especially in the brain and meninges.Meckel's space a recess in the dura mater that lodges the trigeminal ganglion.mediastinal space mediastinum.medullary space the central cavity and the intervals between the trabeculae of bone that contain the marrow.palmar space a large fascial space in the hand, divided by a fibrous septum into a midpalmar and a thenar space.parasinoidal s's spaces in the dura mater along the superior sagittal sinus which receive the venous blood.perivascular space a lymph space within the walls of an artery.plantar space a fascial space on the sole of the foot, divided by septa into the lateral, middle, and median plantar spaces.pneumatic space a portion of bone occupied by air-containing cells, especially the spaces constituting the paranasal sinuses.proximal space (proximate space) interproximal space.retroperitoneal space the space between the peritoneum and the posterior abdominal wall.retropharyngeal space the space behind the pharynx, containing areolar tissue.subarachnoid space the space between the arachnoid and the pia mater, containing cerebrospinal fluid.subdural space a narrow fluid-containing space, often only a potential space, between the dura mater and the arachnoid.subphrenic space the space between the diaphragm and underlying organs.subumbilical space somewhat triangular space in the body cavity beneath the umbilicus.Tenon's space a lymph space between the sclera and Tenon's capsule.

sub·a·rach·noid space

[TA] the space between the arachnoidea and pia mater, traversed by delicate fibrous trabeculae and filled with cerebrospinal fluid. Because the pia mater immediately adheres to the surface of the brain and spinal cord, the space is greatly widened wherever the brain surface exhibits a deep depression (for example, between the cerebellum and medulla); such widenings are called cisternae. The large blood vessels supplying the brain and spinal cord lie in the subarachnoid space. Synonym(s): spatium leptomeningeum [TA], spatium subarachnoideum [TA], cavum subarachnoideum, leptomeningeal space, subarachnoid cavity

subarachnoid space

n. The space between the arachnoid membrane and pia mater that is filled with cerebrospinal fluid and contains the large blood vessels that supply the brain and spinal cord.

sub·a·rach·noid space

(sŭb'ă-rak'noyd spās) [TA] The area between the arachnoidea and pia mater, traversed by delicate, fibrous trabeculae and filled with cerebrospinal fluid. Because the pia mater immediately adheres to the surface of the brain and spinal cord, the space is greatly widened wherever the brain surface exhibits a deep depression (for example, between the cerebellum and medulla); such widenings are called cisterns. The large blood vessels supplying the brain and spinal cord lie in the subarachnoid space.

subarachnoid space

The space between the PIA MATER and the arachnoid mater, occasioned by the fact that the pia, the innermost layer of the meninges, closely invests the surface of the brain while the arachnoid, external to it, bridges over the grooves. The subarachnoid space contains blood vessels.

Subarachnoid space

The space between two membranes surrounding the brain, the arachnoid and pia mater.Mentioned in: Anesthesia, Local, Hydrocephalus
AcronymsSeeSAS

subarachnoid space


Related to subarachnoid space: Subarachnoid hemorrhage
  • noun

Words related to subarachnoid space

noun a space in the meninges beneath the arachnoid membrane and above the pia mater that contains the cerebrospinal fluid

Related Words

  • meninges
  • meninx
  • space
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