Chapter 5 Flashcards
What are the 5 sections of the spinal cord?
Cervical, thoracic, lumbar, sacral, coccygeal
Spinal nerves emerge from the _____
Spinal cord
Bony outgrowth associated with the degeneration of cartilage at joints
Osteophyte
Where is the upper esophageal sphincter located?
C5, C6
Body parts under voluntary control
Somatic
Body parts, such as organs, under involuntary control
Visceral
The spinal cord contains _____ and _____ information
Motor (efferent), sensory (afferent)
Motor info to skeletal muscles
GSE (general somatic efferent)
Motor info to smooth muscle, heart, and glands
GVE (general visceral efferent)
Sensory info from skin
GSA (general somatic afferent)
Sensory information from lungs and digestive tract
GVA (general visceral afferent)
Sensory information is entering from the _____ side of the spinal cord
Dorsal
Motor information is entering from the ____ side of the spinal cord
Ventral
Neuron cell bodies make up the ___ matter
Gray
Myelinated axons make up the ____ matter
White
What does DAVE stand for?
Dorsal Afferent, Ventral Efferent
Motor = ______
Efferent
Sensory = ______
Afferent
What are the 2 direct motor tracts of the spinal cord?
Lateral corticospinal tract, anterior corticospinal tract
Controls movement of the contralateral side of the body; Ex: lifting your left arm is controlled by the right side of the brain
Lateral corticospinal tract