CH. 6 Pain A&P Review Lecture Slides
Part 1: Matching
A. Pain
___ Signal between periphery, spinal cord, and brain
B.
C.
D.
E.
___ Response at spinal cord level, does not involve brain
___ Sends outgoing signals (endorphins) to modify pain
___ Enhance or inhibit pain signals (ex: acetylcholine)
___ Pain signals up to brain through ascending
spinothalamic tract
___ Pain nerves
Neurotransmitters
Spinal cord
Nociceptors
Simple Reflex arc
F. Brain
Part 2: Fill in the Blank
Brain
Ascending
Brain
Descending
WORD BANK
Afferent
Patellar
Interneurons
Spinal cord
Efferent
Brain
Spinothalamic Corticospinal Nociception
Outgoing
Painful
Acute
Outgoing
A-Delta
Incoming
C-Fibers
Nervous
Dull
Simple reflex Arc
1. ________ neurons send ________ signals to the dorsal horn of the spinal cord.
2. ________ neurons connect one neuron to another.
3. ________ neurons send ________ signals from the anterior (ventral) spinal cord.
4. The _________________ is a protective response that does/does not involve the
brain input. An example is the ________ reflex.
5. The _____ interprets/disguises pain signals.
6. The ____________ tract is the primary _________ tract for pain signals from the
___________ to the _____.
7. The _____________ tract is the __________ tract where ________ signals from the
_____ travel.
8. __________ is the response of the _______ system to _______ stimuli.
9. ________ are small, myelinated fibers that carry initial, _____ signals of pain.
10. _______ are large, unmyelinated fibers that carry signals of ____, persistent pain.