The spelling of the word "sulcus intraparietalis" can be tricky to decipher based on its phonetic transcription: /ˈsʌlkəs ɪntrəpəˈraɪətlɪs/. This term refers to a groove in the brain's parietal lobe. The first part of the word, "sulcus," is pronounced with a short "u" sound followed by an "s" and "k" sound. "Intraparietalis" is pronounced with the emphasis on the second syllable, and includes a combination of the sounds "in," "tra," "pa," and "ri," followed by a long "i" sound and the soft "l" sound.
The term "sulcus intraparietalis" refers to a specific anatomical structure found within the brain. More specifically, it is a groove or fissure located within the parietal lobe, which is a major division of the cerebral cortex.
The sulcus intraparietalis, also known as the intraparietal sulcus, is situated on the lateral surface of the parietal lobe and divides it into two main parts: the superior and inferior lobules. It is one of the most prominent and easily identifiable sulci within the parietal lobe.
Functionally, the sulcus intraparietalis is associated with various cognitive processes, particularly those involving perception and attention. It has been implicated in tasks related to visual-spatial processing, object recognition, numerical processing, and motor planning. Furthermore, research has also shown that the sulcus intraparietalis plays a crucial role in visuospatial working memory and the integration of sensory information.
In terms of its anatomical landmarks, the sulcus intraparietalis typically runs horizontally between the superior and inferior parietal lobules, extending from the lateral end of the postcentral sulcus towards the posterior end of the parietal lobe. Its length and depth can vary among individuals.
Overall, the sulcus intraparietalis is an essential structure within the parietal lobe that contributes significantly to various cognitive processes related to perception, attention, and spatial awareness. Its role in these functions makes it a topic of interest in neuroscientific and psychological research.
Intraparietal s. of Turner, s. interparietalis.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The term "sulcus intraparietalis" has a Latin etymology.
"Sulcus" means "groove" or "furrow" in Latin. It is derived from the Latin verb "sulcare", which means "to plow" or "to furrow". In anatomical terms, "sulcus" refers to a groove or furrow on the surface of the brain.
"Intraparietalis" is a combination of the Latin words "intra" and "parietalis". "Intra" means "within" or "inside". "Parietalis" is derived from the Latin word "paries", which means "wall" or "boundary". In this context, "parietalis" refers to the parietal lobe of the brain, which is involved in sensory perception and processing.