How Do You Spell RUBROSPINAL SYSTEM?

Pronunciation: [ɹˌuːbɹəspˈa͡ɪnə͡l sˈɪstəm] (IPA)

Rubrospinal system is a term used in neuroscience to describe a neural pathway that connects the red nucleus of the midbrain with the spinal cord. The spelling of this word can be explained using the International Phonetic Alphabet (IPA) as /ˌruːbrəʊˈspaɪnəl ˈsɪstəm/. The stress is on the second syllable (bruh) and indicates a long vowel sound with a schwa in the first syllable. The final syllable has a short vowel sound and ends with the alveolar consonant /l/. Overall, the spelling closely follows the phonetic pronunciation.

RUBROSPINAL SYSTEM Meaning and Definition

1. The rubrospinal system is a neural pathway that originates in a specific region of the midbrain, known as the red nucleus, and extends down the spinal cord. It is a major component of the extrapyramidal system, which is responsible for controlling and regulating involuntary movements and posture.

   The rubrospinal system primarily functions to facilitate and modulate voluntary motor control. It receives input from various regions of the brain, including the cerebral cortex, basal ganglia, and cerebellum, which provide it with information about movement planning, coordination, and execution.

   Once the rubrospinal tract is activated, it sends motor signals to the spinal cord, where it synapses with lower motor neurons that innervate muscles involved in motor control. These motor neurons then transmit the signals to the muscles, resulting in the execution of precise and coordinated movements.

   Damage or dysfunction to the rubrospinal system can lead to various motor deficits. For instance, lesions in the red nucleus or along the rubrospinal tract can cause impairments in voluntary movement control, such as muscle weakness, clumsiness, and lack of coordination. Additionally, disruptions in this pathway may contribute to movement disorders, such as dystonia or Parkinson's disease.

   In summary, the rubrospinal system is a neural pathway that plays a crucial role in coordinating voluntary motor movements, receiving input from various brain regions, and transmitting signals to the spinal cord for precise execution.

2. The linking of the red nucleus with the opposite side of the spinal cord by means of the r. tract, or Monakoff's bundle.

   A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.

Common Misspellings for RUBROSPINAL SYSTEM

• rubrospinal systei
• rubrospinal systeo
• rubrospinal systel
• rubrospinnalsystem
• rubrospienalsystem
• r ubrospinal system
• ru brospinal system
• rub rospinal system
• rubr ospinal system
• rubro spinal system
• rubrospi nal system
• rubrospin al system
• rubrospina l system
• rubrospinal s ystem
• rubrospinal sy stem
• rubrospinal sys tem
• rubrospinal syst em
• rubrospinal syste m

Etymology of RUBROSPINAL SYSTEM

The term "rubrospinal system" is derived from two components: "rubro" and "spinal".

1. "Rubro" refers to the red nucleus, which is a specialized structure located in the midbrain. "Rubro" is derived from the Latin word "ruber", meaning red, due to the reddish color appearance of the nucleus.

2. "Spinal" relates to the spinal cord, which is the long, cylindrical bundle of nerves that extends from the base of the brain down to the lower back. "Spinal" is derived from the Latin word "spina", meaning spine or thorn, in reference to the bony spinal column that protects the spinal cord.

When combined, "rubrospinal system" refers to a neural pathway that originates from the red nucleus and travels down the spinal cord. It is involved in the control of voluntary movements and coordination.