Lingula of cerebellum

Lingula of cerebellum

The lingula of cerebellum is a small, tongue-shaped structure located in the cerebellum, which is part of the hindbrain. It is one of the lobules of the vermis, the narrow, worm-like structure between the two hemispheres of the cerebellum. The lingula is situated at the anterior part of the superior vermis and is closely associated with the superior medullary velum.

Anatomy

The lingula is the most rostral lobule of the superior vermis. It lies anterior to the central lobule and is separated from it by the precentral fissure. The lingula is composed of a thin layer of gray matter and is continuous with the superior medullary velum, a thin lamina of white matter that forms part of the roof of the fourth ventricle.

Function

The lingula, like other parts of the cerebellum, is involved in the coordination of voluntary movements. It plays a role in the fine-tuning of motor activities and helps maintain balance and posture. The specific functions of the lingula are not as well understood as those of other cerebellar structures, but it is believed to contribute to the overall integrative functions of the cerebellum.

Clinical Significance

Lesions or damage to the lingula can result in cerebellar ataxia, a condition characterized by a lack of coordination of muscle movements. This can lead to symptoms such as unsteady gait, difficulty with fine motor tasks, and problems with balance. The lingula may also be involved in certain cerebellar disorders, although its specific role in these conditions is not fully elucidated.

See Also

• Cerebellum
• Vermis
• Superior medullary velum
• Cerebellar ataxia
• Hindbrain