STRAIGHT SINUS Meaning and
Definition
-
The straight sinus, also known as the sinus rectus, is a vein located within the brain that plays a crucial role in the drainage system of cerebral venous blood. It is situated in the midline of the brain, running in a nearly vertical direction from the junction of the superior sagittal sinus and the inferior sagittal sinus to the confluence of sinuses.
The straight sinus receives blood from various cerebral veins including the superior cerebral veins, inferior cerebral veins, and veins from the cerebellum. It acts as a major collector of venous blood from the deep structures of the brain, particularly the midline structures.
The function of the straight sinus is to facilitate the return of deoxygenated blood from the brain back to the heart. It acts as an important link between the cerebral venous system and the venous sinuses within the cranial cavity. The blood that flows through the straight sinus is eventually drained into the transverse sinuses on either side, completing the pathway of venous return.
In some cases, an occlusion or blockage of the straight sinus can occur, leading to various symptoms and potentially serious complications. Conditions such as thrombosis, clotting disorders, or tumors can hinder the smooth flow of blood through the sinus, resulting in increased intracranial pressure and potentially life-threatening complications. Prompt medical attention is necessary if any signs or symptoms related to blocked straight sinus arise.
-
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for STRAIGHT SINUS
- atraight sinus
- ztraight sinus
- xtraight sinus
- dtraight sinus
- etraight sinus
- wtraight sinus
- srraight sinus
- sfraight sinus
- sgraight sinus
- syraight sinus
- s6raight sinus
- s5raight sinus
- steaight sinus
- stdaight sinus
- stfaight sinus
- sttaight sinus
- st5aight sinus
- st4aight sinus
- strzight sinus
Etymology of STRAIGHT SINUS
The term "straight sinus" is derived from Latin.
Etymologically, "straight" comes from the Latin word "strictus", meaning "tight" or "drawn tightly". This refers to the direct and straightforward course of the sinus.
The word "sinus" in Latin means "a curve" or "a hollow". It was used to describe the numerous internal cavities found in the body. In this instance, it refers to the dural venous sinus, which is a channel located in the brain and named for its curved shape.
Thus, the term "straight sinus" describes a specific sinus in the brain characterized by its relatively straight course.
Similar spelling words for STRAIGHT SINUS
- straight razor,
- straight person,
- straight flush,
- straightener,
- straight angle,
- straight off,
- straight pin,
- straightarrow,
- straight-arm,
- straight man,
- straight poker,
- straight face,
- straight-out,
- straighten up,
- straight arch,
- straight ticket,
- straight arrow,
- straight-laced,
- straight shooter,
- straight flute,
- straightness,
- straightedge,
- straightaway,
- straight chair,
- straight line,
- straighten out,
- straight chain,
- straight hang,
- straightway,
- straightjacket,
- straightlaced.
Infographic
Add the infographic to your website:
