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25 terms

Central Nervous System

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What kind of impulses do descending tracts within the spinal cord carry?
motor
What kind of impulses do ascending tracts within the spinal carry?
sensory
What controls emotional experiences and expression?
limbic system
What are shallow grooves of the brain?
sulci
What is responsible for regulation of the body, such as heart rate, body temperature, and blood pressure?
hypothalamus
What controls coordination of skeletal muscles and equilibrium?
cerebellum
What part of the brain was named after its seahorse-like shape and is responsible for memory?
hippocampus
What kind of nerve root carries sensory information into the spinal cord?
dorsal nerve root
What kind of nerve root carries motor information out of the spinal cord?
ventral nerve root
tract that controls pain, temperature, and crude touch on opposite side
lateral spinothalamic
tract that controls crude touch and pressure
anterior spinothalamic
tract that controls discriminating touch and pressure sensations, including vibration, stereognosis, and two-point discrimination; also conscious kinesthesia
fasciculi gracilis and cuneatus
tract that controls unconscious kinesthesia
anterior and posterior spinocerebellar
tract that controls touch that is related to visual reflexes
spinotectal
tract that controls voluntary movement, contraction of individual or small groups of muscles, particularly those moving hands, fingers, feet, and toes of opposite side
lateral corticospinal
tract that controls voluntary movement, contraction of individual or small groups of muscles, particularly those moving hands, fingers, feet, and toes of same side
anterior corticospinal
tract that controls maintainence of posture during movement
reticulospinal
tract that controls coordination of body movement and posture
rubrospinal
tract that controls head and neck movement during visual reflexes
tectospinal
tract that controls coordination of posture/balance
vestibulospinal
Which layer of the meninges is made of fat and blood vessels?
dura mater
Where is cerebrospinal fluid formed?
choroid plexuses
What are the raised areas of the cerebellum?
gyri
What plays a part in sensation, emotion, arousal, alerting, and reflexes?
thalamus
What regulates the body's biological clock?
pineal body