Red nucleus
Red nucleus
Red nucleus (Pronunciation: red 'n(y)o͞oklēəs) is a structure located in the rostral midbrain that plays a role in motor coordination.
Etymology
The term "red nucleus" is derived from the Latin nucleus ruber, which translates to "red kernel". This name was given due to the reddish hue of the structure, which is caused by its high vascularity and iron content.
Function
The red nucleus is primarily involved in motor coordination. It receives information from the cerebral cortex and cerebellum, and sends signals to the spinal cord to initiate and control voluntary movements. The red nucleus is particularly important for limb flexion and is involved in the control of fine movements.
Clinical significance
Damage to the red nucleus can result in a variety of motor deficits, including ataxia (lack of muscle control) and tremor. In addition, the red nucleus has been implicated in several neurological disorders, such as Parkinson's disease and stroke.
Related terms
External links
- Medical encyclopedia article on Red nucleus
- Wikipedia's article - Red nucleus
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