What does "C4-5" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
"C4-5" refers to the area between the fourth and fifth cervical vertebrae in the spine. This area is located in the neck region. When a document mentions "C4-5", it's talking about the space and anything that's happening between these two specific bones in the neck.
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