The correct spelling of the term "decussatio brachii conjunctivi" is crucial in the medical field as it refers to the crossing of nerve fibers in the upper arm. The word is spelled as /dɪˌkʌseɪʃəʊ bɹeɪki kənˌdʒʌŋktɪvi/ in IPA phonetic transcription. The term starts with the prefix "de-" and followed by "cussatio" which means a crossing or intersection. The next two words "brachii conjunctivi" refer to the upper arm's conjunctive tissue. Its accurate spelling is imperative to avoid confusion in the medical field.
Decussatio brachii conjunctivi is a Latin anatomical term that translates to "crossing of the arm conjunctive." It refers to a structure located in the brain, specifically in the region of the midbrain known as the superior colliculus.
The decussatio brachii conjunctivi is a point at which nerve fibers from each arm intersect and cross over to the opposite side of the brain. This crossing occurs to allow for the coordination of movements between the two sides of the body.
The term "decussatio" derives from the Latin word "decussare," which means "to cross" or "to intersect." "Brachii" is the genitive form of the Latin word "brachium," meaning "arm," while "conjunctivi" is the genitive form of the Latin word "conjunctiva," which refers to a joining or connection.
The crossing of nerve fibers at the decussatio brachii conjunctivi is a crucial organization feature within the central nervous system. It enables motor signals originating from one cerebral hemisphere to control movements of the contralateral (opposite) arm. Additionally, it allows for coordinated movements, sensory integration, and transmission of information between the two sides of the brain.
Understanding the decussatio brachii conjunctivi is essential for comprehending the neural pathways involved in motor control and coordination. Its significance lies in the crucial role it plays in facilitating bi-lateral movements and the integration of sensory information, contributing to overall motor function in humans and other animals.
A crossing of the fiber tracts of the tegmenta, originating from the brachia conjunctiva, behind the red nucleus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.