Solitary nucleus
Solitary nucleus
Solitary nucleus (pronounced: so-lit-er-ee noo-klee-us) is a structure located in the brainstem that plays a crucial role in autonomic functions. It is also known as the nucleus of the solitary tract, nucleus solitarius, or nucleus tractus solitarii.
Etymology
The term "solitary nucleus" is derived from the Latin words "solus" meaning "alone" and "nucleus" meaning "kernel". This is due to the solitary nucleus being a distinct structure within the brainstem.
Function
The solitary nucleus is involved in a variety of autonomic functions. It receives sensory information from internal organs and taste receptors, and sends signals to other parts of the brain to regulate functions such as heart rate, blood pressure, and digestion.
Anatomy
The solitary nucleus is located in the medulla oblongata, a part of the brainstem. It is a long, thin structure that extends from the top of the medulla to the lower part of the pons. The solitary nucleus is divided into a rostral (front) and caudal (back) part, each with different functions and connections.
Related Terms
See Also
External links
- Medical encyclopedia article on Solitary nucleus
- Wikipedia's article - Solitary nucleus
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