Pain -

Nociceptors (pain receptors) detect harmful stimuli like heat or injury [5, 39].

Pain, Purpose, Pacing, and Positivity [18].

Clinicians use several acronyms to structure pain assessments and treatment plans:

A palliative care concept recognizing that pain has four interacting components: physical, psychological, social, and spiritual [40]. Common Frameworks for Management

Nerve fibers relay these signals to the spinal cord and then to the brain's thalamus [5, 39].