BRAINCAKEComparison of Neurones
The somatic nervous system has heavily myelinated neurones connecting the CNS to receptor and effector organs.
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Key terms in this lesson
- neurotransmitter
- A chemical released by a presynaptic neurone that diffuses across a synapse and binds to receptors on the postsynaptic cell, altering its membrane potential.
- effector
- A muscle or gland that brings about a response to a nerve impulse or hormone.
More in Neuronal Communication
- Summation
- Structural Organisation of the Nervous System
- Functional Organisation of the Nervous System
- The Autonomic Nervous System
- Receptors in the Eye - Rod Cells
- Receptors in the Eye - Cone Cells
- Sino-Atrial Node
- Contraction of the Heart
All 38 lessons in Neuronal Communication · All AQA A-level Biology topics