Definition of proximal
Origin of proximal
First Known Use: 1727
Medical Definition of proximal
1a: situated next to or near the point of attachment or origin or a central point <the proximal was…better than the peripheral stump for a graft—Annual Review of Medicine>; especially : located toward the center of the body <the proximal end of a bone>—compare distal 1ab: of, relating to, or being the mesial and distal surfaces of a tooth
2: sensory rather than physical or social <proximal stimuli>—compare distal 2
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