Arcuate nucleus (medulla)
Arcuate Nucleus (Medulla)
The Arcuate Nucleus (Medulla) (pronunciation: ar-kyoo-it noo-klee-uhs (meh-duh-luh)) is a component of the Medulla Oblongata in the Brainstem. It plays a crucial role in the regulation of various physiological functions.
Etymology
The term "Arcuate" is derived from the Latin word 'arcuatus' which means 'bowed' or 'arched'. The term "Nucleus" is derived from the Latin word 'nucleus' meaning 'kernel' or 'core'. The term "Medulla" is derived from the Latin word 'medulla' which means 'marrow' or 'inner part'.
Function
The Arcuate Nucleus (Medulla) is involved in several physiological functions including Respiration, cardiovascular control, and gastrointestinal regulation. It is also involved in the regulation of blood pressure and heart rate.
Related Terms
- Medulla Oblongata: The lower half of the brainstem that contains the Arcuate Nucleus.
- Brainstem: The posterior part of the brain, continuous with the spinal cord.
- Respiration: The process of inhaling and exhaling air.
- Cardiovascular System: The system that circulates blood and lymph through the body.
- Gastrointestinal System: The system that processes food for energy and rids the body of waste.
- Blood Pressure: The pressure of the blood in the circulatory system.
- Heart Rate: The speed of the heartbeat measured by the number of contractions of the heart per minute.
External links
- Medical encyclopedia article on Arcuate nucleus (medulla)
- Wikipedia's article - Arcuate nucleus (medulla)
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