BS anatomical structures Flashcards
Anterolateral system
Skin to thalamus.
Anterior=crude sensations
lateral=pain, temperature
Dorsal columns
White matter in spinal cord
Ascending pathway–>fine touch and proprioception
Dorsal column nuceli
Brain stem
Fine touch
Dorsal horn of the spinal cord
Fine touch, proprioception, vibration
Encephalin
Pentapeptide involved in nociception
Internal arcuate fibers
Cross medulla. Fine touch and proprioception
Internal capsule
Inferomedial portions of cerebral hemispheres. Lots of traffic.
Lissauer’s tract
Spinal cord
Medial lemniscus
Vibratory, touch-pressure
Periaqueductal gray
Descending pain modulation
Raphé nuclei
Brain stem–> releases seratonin
Reticular activating system
Regulating wakefulness and sleep wake transition
Rexed’s Lamina
Ten layers of grey matter
Ventral posterior (VP) nucleus of the thalamus
Somoato-sensory
Ventral white commissure
Pain and temp