HSC 214 LAB NEURONS, BRAIN, & SPINAL CORD OBJECTIVES QUESTIONS WITH CORRECT ANSWERS

a longitudinal fissure at the ventral, midline of the spinal cord


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anterior median fissure




- description: series of small nerves branching from the anterior aspect of the spinal
cord

,- relationship: several rootlets unite to form the ventral root of a spinal nerve;
conducts efferent (motor) impulses


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ventral (anterior) rootlets




- description: cone shaped, inferior end of the spinal cord
- relationship: at the level of the L2 vertebrae


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conus medullaris




- description: crescent-shaped, sagittally orientated fold of dura mater between the
cerebral hemispheres
- relationship: projects into the longitudinal fissure separating the right and left
cerebral hemispheres


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falx cerebri




- description: large brain mass lying posterior to the pons and medulla and inferior to
the cerebrum
- relationship: coordinates complex movements


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, cerebellum




- description: paired spaces within the cerebral hemispheres
- relationship: space directly inferior to the corpus callosum; largest cavities of the
ventricular system


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lateral ventricles




- description: inferior, vertical, stalk-like portion of the brain connecting to the spinal
cord
- relationship: conveys information between the brain and spinal cord


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brainstem




- description: slit-like, midline cavity between the right and left halves of the
diencephalon
- relationship: continuous with the cerebral aqueduct below


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third ventricle