What does the mammillothalamic tract do?

What does the mammillothalamic tract do?

Function. The mammillary bodies directly or indirectly connect to the amygdala, hippocampus, and thalami as major structures in the limbic system. The mammillothalamic tract carries signals from the mammillary bodies via the anterior thalamus to support spatial memory.

What happens if the mammillary body is damaged?

Damage to the mammillary bodies due to thiamine deficiency is implied in pathogenesis of Wernicke–Korsakoff syndrome. Symptoms include impaired memory, also called anterograde amnesia, suggesting that the mammillary bodies may be important for memory.

What are the mammillary bodies connected to?

The mammillary bodies are directly connected to three other brain regions: the hippocampus via the fornix, thalamus (primarily the anterior thalamic nuclei) via the mammillothalamic tract, and the tegmental nuclei of the midbrain via the mammillary peduncle and mammillotegmental tract.

Are mammillary bodies part of the limbic system?

The mammillary bodies are a pair of small round bodies, located on the undersurface of the brain that, as part of the diencephalon, form part of the limbic system. They are located at the ends of the anterior arches of the fornix.

What is the mammillary process?

The mammillary processes provide a point of attachment for the intertransversarii muscles and multifidus. The curvature of articular facets is thought to assist in the stabilization and weight-bearing capacity of the lumbar vertebrae.[4]

What causes atrophy of mammillary bodies?

The most common cause of atrophy of mammillary bodies (MBs) is thiamine deficiency, which is very common in patients with alcoholic liver disease.

What is a Mammillary process?

Where is the mammillary process?

lumbar vertebrae
The mamillary processes are located between transverse and cranial articular process on thoracic and lumbar vertebrae.