What it means
In body words, phren/o means the diaphragm. The phrenic nerve, which comes from the neck, makes the diaphragm contract; injury to it can weaken breathing. In mental health words, the same root means the mind, as in schizophrenia ("split mind", an old name).
At a glance
| Also written | phreno- |
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Related terms
respiratory system
The organs that bring air into the body and move oxygen into the blood and carbon dioxide out of it.
breathing
Moving air in and out of the lungs.