CALCARINE FISSURE Meaning and
Definition
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The calcarine fissure, also known as the primary visual cortex or the area of striate cortex, is a prominent anatomical structure located in the occipital lobe of the brain. It is a deep sulcus that runs horizontally along the medial surface of the cerebral cortex.
The calcarine fissure is of utmost importance in visual processing as it serves as the main gateway for visual information from the eyes to the brain. It acts as the primary receiving area for visual stimuli, where raw visual data from the retina is processed and organized into meaningful visual perceptions.
Within the calcarine fissure lies the cortical region called the visual cortex, which consists of multiple layers of nerve cells known as neurons. These neurons are responsible for analyzing and interpreting visual input, such as shape, color, motion, and depth, by establishing connections with other areas of the brain involved in higher-level visual processes.
The calcarine fissure divides the visual cortex into two main regions: the upper part called the superior calcarine sulcus and the lower part known as the inferior calcarine sulcus. Both regions have a retinotopic organization, meaning that adjacent areas in the visual field are processed by adjacent areas in the visual cortex. This organization allows for the precise mapping of visual information within the brain.
Overall, the calcarine fissure plays a critical role in the initial processing and perception of visual stimuli, forming the foundation for higher-level visual experiences and cognitive functions.
Common Misspellings for CALCARINE FISSURE
- xalcarine fissure
- valcarine fissure
- falcarine fissure
- dalcarine fissure
- czlcarine fissure
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- calxarine fissure
- calvarine fissure
- calfarine fissure
- caldarine fissure
- calczrine fissure
- calcsrine fissure
- calcwrine fissure
- calcqrine fissure
- calcaeine fissure
Etymology of CALCARINE FISSURE
The word "calcarine" comes from the Latin word "calcar" which means spur or goad. The "calcarine fissure" is named after its resemblance to a spur or goad. It is a prominent anatomical feature in the occipital lobe of the brain, dividing it into two parts: the cuneus and the lingual gyrus. The calcarine fissure plays a crucial role in visual processing as it contains the primary visual cortex, also known as the striate cortex or area V1.
Similar spelling words for CALCARINE FISSURE
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