Pointed commissura is a term used to describe a structure in the brain that connects the two hemispheres. The word "pointed" is spelled as /ˈpɔɪntɪd/, with the IPA phonetic transcription representing the sounds of p, oy, n, t, i, and d. Commissura is spelled /kəˈmɪʃjʊrə/, with the IPA phonetic transcription representing the sounds of k, schwa, m, i, sh, y, r, and schwa. These phonetic transcriptions provide a more precise way of spelling the word, ensuring accurate pronunciation and understanding.
Pointed commissura is a term used in anatomy to refer to a specific structure found in the human brain. The term "pointed" relates to the shape of this commissura, which appears elongated and tapering at its ends. Commissura, on the other hand, refers to a connection or bundle of nerve fibers that allows communication and coordination between different parts of the brain.
The pointed commissura, also known as the anterior commissure or the commissura anterior, is located deep within the midline of the brain, specifically in the region known as the interthalamic adhesion. It serves as a connection between the two halves of the brain, or the left and right cerebral hemispheres. These hemispheres are responsible for various cognitive and sensory functions, such as speech, memory, and perception.
The pointed commissura facilitates the transfer of information between the two cerebral hemispheres. It enables the integration of sensory input and the coordination of motor responses. Additionally, it plays a crucial role in the transmission of nerve impulses related to language and auditory processing.
Pathologies or abnormalities involving the pointed commissura can lead to various neurological disorders, including language impairments, difficulties in auditory processing, and disruptions in sensory integration. Understanding the structure and function of the pointed commissura is vital in advancing our knowledge of the brain and its intricate networks, paving the way for better diagnostic and treatment approaches for related conditions.
Superior commissure, commissure of Meynert, a large transverse fiber tract in the upper part of the tuber cinereum.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.