SULCUS LONGITUDINALIS Meaning and
Definition
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A sulcus longitudinalis is a term used in anatomy to describe a longitudinal or elongated groove or furrow that is typically found on the surface of an organ or structure. The term is most commonly used in relation to the brain, where it refers specifically to a deep groove that runs in a longitudinal direction on the outer surface of the cerebrum.
The sulcus longitudinalis is one of the primary anatomical landmarks in the brain, dividing the cerebrum into two distinct hemispheres: the left hemisphere and the right hemisphere. This groove is also known as the longitudinal fissure. It is significant because it separates the two hemispheres, which are responsible for different functions in the body. While they are connected by a bundle of nerve fibers called the corpus callosum, the sulcus longitudinalis provides a clear physical demarcation between the two hemispheres.
The sulcus longitudinalis plays a critical role in the overall structure and function of the brain. It enables each hemisphere to have its own specialization, allowing for complex and diverse cognitive processes. Additionally, this groove provides space for the meninges, protective membranes that envelop the brain and spinal cord. The sulcus longitudinalis facilitates the formation of the meninges, as well as their function in protecting the delicate nervous tissue of the brain.
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Longitudinal sulcus, interventricular groove, ventricular groove, crena cordis; a groove on the anterior and posterior surfaces of the heart, marking the location of the septum between the two ventricles.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SULCUS LONGITUDINALIS
- sulcuslongitudinnalis
- sulcuslowngitudinalis
- s ulcus longitudinalis
- su lcus longitudinalis
- sul cus longitudinalis
- sulc us longitudinalis
- sulcu s longitudinalis
- sulcus l ongitudinalis
- sulcus lo ngitudinalis
- sulcus lon gitudinalis
- sulcus long itudinalis
- sulcus longi tudinalis
- sulcus longit udinalis
- sulcus longitu dinalis
- sulcus longitud inalis
- sulcus longitudi nalis
- sulcus longitudin alis
- sulcus longitudina lis
- sulcus longitudinal is
- sulcus longitudinali s
Etymology of SULCUS LONGITUDINALIS
The word "sulcus longitudinalis" is a combination of two Latin words: "sulcus" and "longitudinalis".
1. "Sulcus" comes from the Latin verb "sulcare", which means "to plow" or "to furrow". It refers to a groove or furrow-like indentation found on the surface of an organ, particularly in anatomy.
2. "Longitudinalis" is derived from the Latin word "longitudo", which means "length" or "long". It indicates something that has a longitudinal or elongated form.
Therefore, "sulcus longitudinalis" can be understood as a Latin term meaning a longitudinal furrow or groove.
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