venous sinuses of dura mater

venous sinuses of dura mater
s. durae matris.

Medical dictionary. 2011.

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  • sinuses of dura mater — sinus durae matris [TA] large venous channels forming an anastomosing system between the layers of the cranial dura mater. They are devoid of valves, do not collapse when drained, and in some parts contain trabeculae. They drain the cerebral… …   Medical dictionary

  • Dura mater — Meninges of the CNS Gray s subject #193 872 MeSH …   Wikipedia

  • dura mater of brain — dura mater cranialis [TA] cranial dura mater: the dura mater covering the brain, composed of two mostly fused layers: an endosteal outer layer (endocranium) adherent to the inner aspect of the cranial bones, analogous to the periosteum of the… …   Medical dictionary

  • dura mater — Pachymeninx (as distinguished from leptomeninx, the combined pia mater and arachnoid); a tough, fibrous membrane forming the outer covering of the central nervous system. SYN: dura [TA], pachymeninx [TA]. [L. hard mother, mistransl. of Ar. umm al …   Medical dictionary

  • sinus of the dura mater — n any of numerous venous channels (as the sagittal sinuses, straight sinus, and transverse sinuses) that are situated between the two layers of the dura mater, that have no valves, and that drain blood from the brain and the bones forming the… …   Medical dictionary

  • Dural venous sinuses — Vein: Dural venous sinuses Dural veins …   Wikipedia

  • venous sinus — n 1) a large vein or passage (as the canal of Schlemm) for venous blood 2) SINUS VENOSUS * * * 1. a large vein or channel for the circulation of venous blood, such as one of the sinuses of the dura mater. 2. s. venosus (def. 1) …   Medical dictionary

  • venous sinus — ▪ anatomy       in human anatomy, any of the channels of a branching complex sinus network that lies between layers of the dura mater, the outermost covering of the brain, and functions to collect oxygen depleted blood. Unlike veins, these… …   Universalium

  • sinus — 1. [TA] A channel for the passage of blood or lymph, without the coats of an ordinary vessel; e.g., blood passages in the gravid uterus or those in the cerebral meninges. 2. [TA] A cavity or …   Medical dictionary

  • skeletal system, human — ▪ anatomy Introduction  the internal skeleton that serves as a framework for the body. This framework consists of many individual bones (bone) and cartilages (cartilage). There also are bands of fibrous connective tissue the ligaments (ligament)… …   Universalium

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