medulla oblongata
What medulla oblongata means in Biology A-Level, as defined for AQA, OCR.
Definitions of medulla oblongata
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Reference: OCR
The region at the base of the brain that controls involuntary homeostatic processes such as heart rate, breathing rate and blood pressure.
The location of the cardiovascular centre, which receives impulses and sends more impulses along sympathetic neurones to the SAN.
Topics that use medulla oblongata
- Control of heart rate (A-level only) (AQA A-Level)
- Plant and animal responses (OCR A-Level)
Related terms
- Adrenaline and fight-or-flight
- Autonomic control of heart rate
- Autonomic nervous system
- Auxin
- Auxin (IAA)
- Auxins
- bundle of His
- Cerebrum
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