SUPERIOR RECTUS Meaning and
Definition
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The superior rectus is a term used in human anatomy to describe a specific muscle located in the eye. It is one of the six extrinsic muscles responsible for moving and controlling the movement of the eyeball.
The superior rectus muscle is situated at the upper portion of the eye socket, or the orbit, originating from the common tendinous ring found within this bony cavity. From there, it extends and attaches to the top surface of the eyeball, specifically the sclera - the white, tough outer layer of the eye.
The primary function of the superior rectus muscle is to elevate the eyeball, meaning it can move the pupil in an upward direction. This muscle also contributes to the process of intorsion, which involves rotating the top of the eye towards the nose.
The superior rectus muscle is innervated by the superior division of the oculomotor nerve, one of the cranial nerves responsible for controlling the movement of the eyes, as well as pupil constriction. Working in coordination with the other extrinsic eye muscles, the superior rectus aids in various eye movements, namely upward gaze and adduction - moving the eye towards the center, closer to the midline of the body.
Overall, the superior rectus plays a crucial role in the intricate mechanism of eye movements, accurately adjusting and controlling the position of the eyeball to facilitate clear vision and focus on objects at different heights and distances.
Common Misspellings for SUPERIOR RECTUS
- auperior rectus
- zuperior rectus
- xuperior rectus
- duperior rectus
- euperior rectus
- wuperior rectus
- syperior rectus
- shperior rectus
- sjperior rectus
- siperior rectus
- s8perior rectus
- s7perior rectus
- suoerior rectus
- sulerior rectus
- su-erior rectus
- su0erior rectus
- supwrior rectus
- supsrior rectus
- supdrior rectus
Etymology of SUPERIOR RECTUS
The term "superior rectus" consists of two components: "superior" and "rectus".
The word "superior" comes from the Latin term "superus", which means "higher" or "upper". In the context of human anatomy, "superior" is used to refer to a structure located above or higher in position.
The term "rectus" stems from the Latin word "rectus", meaning "straight". In anatomy, "rectus" is used to denote straight muscles that run parallel to the midline of the body.
Therefore, when combining both components, "superior rectus" translates to "the straight muscle located in the upper position" or "the rectus muscle situated above".
In human anatomy, the term "superior rectus" specifically refers to one of the six extraocular muscles responsible for eye movement.
Similar spelling words for SUPERIOR RECTUS
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