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LOM CH 10
Nervous System
24
Medical
Undergraduate 1
08/03/2012

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Term
AUTONOMIC NERVOUS SYSTEM
Definition
NERVES THAT CONTROL INVOLUNTARY BODY FUNCTIONS OF MUSCLES, GLANDS, AND INTERNAL ORGANS.
Term
BRAINSTEM
Definition
LOWER PORTION OF THE BRAIN THAT CONNECTS THE CEREBRUM WITH THE SPINAL CORD; INCLUDES THE PONS AND MEDULLA OBLONGATA.
Term
CAUDA EQUINA
Definition
COLLECTION OF SPINAL NERVES BELOW THE END OF THE SPINAL CORD.
Term
CENTRAL NERVOUS SYSTEM
Definition
BRAIN AND THE SPINAL CORD
Term
CEREBELLUM
Definition
POSTERIOR PART OF THE BRAIN THAT COORDINATES MUSCLE MOVEMENTS AND MAINTAINS BALANCE
Term
CEREBRAL CORTEX
Definition
OUTER REGION OF THE CEREBRUM, CONTAINING SHEETS OF NERVE CELLS; GRAY MATTER OF THE BRAIN.
Term

CEREBOSPINAL FLUID

(CSF)

Definition
CIRCULATES THROUGHOUT THE BRAIN AND SPINAL CORD.
Term
CEREBRUM
Definition
LARGEST PART OF THE BRAIN; RESPONSIBLE FOR VOLUNTARY MUSCULAR ACTIVITY, VISION, SPEECH, TASTE, HEARING, THOUGHT, AND MEMORY.
Term
CRANIAL NERVES
Definition
TWELVE PAIRS OF NERVES THAT CARRY MESSAGES TO AND FROM THE BRAIN WITH REGARD TO THE HEAD AND NECK (EXCEPT THE VAGUS NERVE). 
Term
GANGION
Definition
COLLECTION OF NERVE CELL BODIES IN THE PERIPHERAL NERVOUS  SYSTEM.
Term
HYPOTHALAMUS
Definition
PORTION OF THE BRAIN BENEATH THE TALAMUS; CONTROLS SLEEP, APPETITE, BODY TEMPERATURE, AND SECRETIONS FROM THE PITUITARY GLAND.
Term
MEDULLA OBLONGATA
Definition
PART OF THE BRAIN JUST ABOVE THE SPINAL CORD; CONTROLS BREATHING, HEARTBEAT, AND THE SIZE OF BLOOD VESSELS; NERVE FIBERS CROSS OVER HERE.
Term
MENINGES
Definition
THREE PROTECTIVE MEMBRANES THAT SURROUND THE BRAIN AND SPINAL CORD.
Term
MYELIN SHEATH
Definition
COVERING OF WHITE FATTY TISSUE THAT SURROUNDS AND INSULATES THE AXON OF A NERVE CELL. iT SPEEDS IMPULSE CONDUCTION ALONG AXONS.
Term
NERVE
Definition
MACROSCOPIC CORD-LIKE COLLECTIONS OF FIBERS (AXONS AND DENDRITES) THAT CARRY ELECTRICAL IMPULSES.
Term
NEURON
Definition
NERVE CELL THAT CARRIES IMPULSES THROUGHOUT THE BODY.
Term
PERIPHERAL NERVOUS SYSTEM
Definition
NERVES OUTSIDE THE BRAIN AND SPINAL CORD; CRANIAL, SPINAL, AND AUTONOMIC NERVES.
Term
PIA MATER
Definition
THIN, DELICATE INNER MEMBRANE OF THE MENINGES.
Term
PONS
Definition
PART OF THE BRAIN ANTERIOR TO THE CEREBELLUM AND BETWEEN THE MEDULLA AND THE REST OF THE MIDBRAIN.  LATIN, IT MEANS BRIDGE.  IT'S A BRIDGE CONNECTING VARIOUS PARTS OF THE BRAIN.
Term
SCIATIC NERVE
Definition
NERVE EXTENDING FROM THE BASE OF THE SPIE DOWN THE THIGH, LOWER LEG, AND FOOT.  IT'S PAIN OR IMFLAMMATION ALONG THE COURSE OF THE NERVE.
Term
SENSORY NERVE
Definition
CARRIES MESSAGES TOWARD THE BRAIN AND SPINAL CORD FROM A RECEPTOR; AFFERENT NERVE
Term
SPINAL NERVES
Definition
THIRTY-ONE PAIRS OF NERVES ARISING FROM THE SPINAL CORD.
Term
THALAMUS
Definition
MAIN RELAY CENTER OF THE BRAIN.  IT CONDUCTS IMPULSES BETWEEN THE SPINAL CORD AND THE CEREBRUM; INCOMING SENSORY MESSAGES ARE RELAYED THROUGH THE THALAMUS TO APPROPRIATE CENTERS IN THE CEREBRUM.  IT MEANS ROOM.  THE ROMANS, WHO NAMED THIS STRUCTURE, THOUGHT THIS PART OF THE BRAIN WAS HOLLOW, LIKE A LITTLE ROOM.
Term
VAGUS NERVE
Definition
TENTH CRANIAL NERVE (CRANIAL NERVE X); ITS BRANCHES REACH TO THE LARYNX, TRACHEA, BRONCHI, LUNGS, AORTA, ESOPHAGUS, AND STOMACH.  LATIN, MEANS WANDERING.  UNLIKE OTHER NERVES, IT LEAVES THE HEAD AND "WANDERS" INTO THE ABDOMINAL AND THORACIC CAVITIES.
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