Vertebral
Any of the bones or segments composing the spinal column, consisting typically of a cylindrical body and an arch with various processes, and forming a foramen, or opening, through which the spinal cord passes. Origin of vertebra. … You see, the spine is a row of vertebrae that was designed to be horizontal.
Medical Definition of extramedullary
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situated or occurring outside the spinal cord or the medulla oblongata
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located or taking place outside the bone marrow extramedullary hematopoiesis
Intramedullary
Medical Definition of intramedullary. : situated or occurring within a medulla an intramedullary tumor of the spinal cord; especially : involving use of the marrow space of a bone for support intramedullary pinning of a fracture of the thigh.
- Vertebral