What does "No isthmus" 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.
"No isthmus" in a medical context refers to the absence of a narrow connection between two larger parts of an organ or structure in the body. The term "isthmus" is used in anatomy to describe such connections. For example, the thyroid gland in the neck has an isthmus that connects its two lobes. So, if a medical report says "no isthmus", it means that this connecting piece is not present.
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