How Body Feels Pain Flashcards
Any event that causes degree of damage to tissues brings about release of large amounts of _
Chemicals
Chemicals such as (2)
Serotonin
Histamine
chemicals such as serotonin and histamine produce reactions within tissue such as _ and _
Swelling
Redness
Histamine and serotonin also detected by _
Free nerve endings
Free nerve endings found in superficial layers of skin, as well as _
Internal organs
Free nerve endings known as _ because they react to noxious substances
Nociceptors
In response to chemical changes in tissue, sensory cells send nerve impulses to _
Relay stations in spinal cord
From spinal cord, nerve impulses sent through further relays in _
Lower part of brain
Lower part of brain in the _ and _
Brainstem
Thalamus
Brain stem, thalamus, and so on to _
Higher levels of brain
Info analyzed and perceived as pain in _
Higher part of brain
_ found especially in fingertips and lips
Meissner’s corpuscles
_ signals heavy, prolonged pressure
Ruffini’s corpuscles
_ located deepest in skin
Ruffini’s corpuscles
