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How we change what others think, feel, believe and do
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How we change what others think, feel, believe and do |
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Hindbrain
Explanations > Brain > Parts > Hindbrain Metencephalon | Myelencephalon | See also
The hindbrain, or rhombencephalon surrounds the fourth ventricle. MetencephalonThe metencephalon is made up of the cerebellum and the pons. CerebellumThe cerebellum ('little brain') has two hemispheres and resembles a small cerebrum. It is connected to the pons by bundles of axons called the cerebellar peduncles ('little feet'). Damage to the cerebellum affects standing, walking and coordinated movements. PonsThe pons is a large bulge on the side of the brain stem. It includes a section of the reticular formation. It is involved in sleep and arousal. The locus coeruleus is a nucleus in the dorsal pons made up of noradrenergic neurons. Axons from these cells project to many areas including the hypothalamus, thalamus, basal ganglia, amygdala, neocortex and spinal cord. MyelencephalonMedullaThe medulla oblongata ('oblong marrow') is involved in vital functions such as cardiovascular regulation and respiration. It includes a section of the reticular formation. Area postremaThe area postrema is an area within the medulla that controls vomiting. The blood-brain barrier is weaker in this area of the brain. In this way toxins in the blood can be monitored and the vomit reaction triggered as needed. See also |
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