Brainstem Flash Cards

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Title: Brainstem
Description: Part, Region and Functions
Number of Cards: 24
Save Count: 2
Author: jojo11
Created: 2001-11-02
Tags: medicine
Private No

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    • Question
    • Answer
    • Side 3
    • MIDBRAIN - Red Nucleus
    • Involuntary control of muscle tone and posture
    • MEDULLA - Nucleus gracilis
    • Relay somatic sensory information from the lower body to the ventral posterior nuclei of the thalamus
    • MIDBRAIN - Reticular Formation
    • THE HEADQUARTERS - Automatic processing of incoming sensations and outgoing motor commands; can initiate involuntary motor responses to stimuli, maintenance of consciousness
    • MEDULLA - Cardiac Reflex Centre
    • Regulate heart rate and force of contraction
    • CEREBELLUM - Middle Peduncle
    • Contain transverse fibers and carry communications between the cerebellum and pons
    • MEDULLA - Ascending and Descending Tracts
    • Link the brain with the spinal cord
    • CEREBELLUM - Superior Peduncle
    • Link the cerebellum with the midbrain, the diencephalons and cerebrum
    • MIDBRAIN - Substantia Nigra
    • Regulates activity in the cerebral nucleus
    • MEDULLA - Olivary nucleus
    • Relay information from the red nucleus, other midbrain centres, and the cerebral cortex to the vermis of the cerebellum
    • MEDULLA - Respiratory rhythmicity Reflex Centre
    • Sets the pace of respiratory movements
    • MEDULLA - Vasomotor Reflex Centre
    • Regulates distribution of blood flow
    • MIDBRAIN - Other nuclei
    • CN III and CN IV nuclei
    • CEREBELLUM - Inferior Peduncle
    • Link the cerebellum with the medulla oblongata and spinal cord
    • MIDBRAIN - Cerebral Peduncles
    • Connect primary motor cortex with motor neurons in the brain stem and spinal cord; carry ascending sensory information to the thalamus
    • MEDULLA - Other nuclei/centres
    • Sensory and motor nuclei of CN VIII, IX, X, XI, XII

      Nuclei relaying ascending sensory information from the spinal cord to higher centres
    • PONS - Transverse Fibres
    • Interconnect cerebellar hemispheres; interconnect pontine nuclei with the cerebellar hemispheres on the opposite side
    • PONS - Respiratory Centres
    • Modify output of respiratory centres in the medulla

      Pneumotaxic (turns off inspiration)

      Apneustic (stimulates inspiration)
    • CEREBELLUM - Arbor vitae
    • Connects cerebellar cortex and nuclei with cerebellar peduncles
    • PONS - Other nuclei/centres
    • Nuclei associated with CN V, VI, VII, and VIII and the cerebellum
    • MEDULLA - Nucleus cuneatus
    • Relay somatic sensory information from the upper body to the ventral posterior nuclei of the thalamus
    • MIDBRAIN - Superior Colliculus
    • Integrates visual information with other sensory inputs; initiates involuntary motor responses
    • CEREBELLUM - Cerebellar Cortex and nuclei
    • Subconscious coordination and control of ongoing movements of body parts
    • PONS - Ascending and Descending Tracts
    • Interconnect other portions of the CNS
    • MIDBRAIN - Inferior Colliculus
    • Relays auditory information to medial geniculate nucleus