Zona Cornu Commissuralia is a term used in neuroanatomy to describe a specific region of the brain. When breaking down the spelling of the word into its phonetic components using the International Phonetic Alphabet, it is pronounced as 'zəʊnə kɔːnju kəˌmɪʃəˈreɪlɪə'. The word is made up of three parts, with 'zona' being derived from the Latin word for zone, 'cornu' meaning horn and 'commissuralia' referring to a commissure or a band of nerve fibers. The precise pronunciation of this technical term is essential in communicating clearly and effectively within the field of neuroanatomy.
Zona cornu commissuralia, also known as the "commissural horn zone", is a term used in neuroanatomy to describe a specific region within the human brain. It refers to the region where the cornu (horn) of the spinal cord commissures, or connects, with other structures.
Located in the central portion of the spinal cord, the zona cornu commissuralia consists of a group of nerve fibers that facilitate communication and coordination between the two halves, or hemispheres, of the spinal cord. These nerve fibers are known as commissural fibers.
The commissural fibers within the zona cornu commissuralia play a crucial role in transmitting information between the left and right sides of the spinal cord. This allows for the integration and coordination of motor and sensory functions on both sides of the body.
The zona cornu commissuralia is, therefore, vital for ensuring proper communication within the spinal cord and facilitating efficient motor and sensory processing. Dysfunction or damage within this region can result in impairments in sensory and motor functions, such as altered sensation, muscle weakness, or coordination difficulties.
Understanding the structure and function of the zona cornu commissuralia is important in the field of neurology and neuroanatomy as it provides insight into the complex organization and functioning of the spinal cord.
The ventral field of the posterior column of the spinal cord containing the endogenic fibers.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.