NERVOUS SYSTEM Flashcards
3 main regions of the brain
cerebellum, cerebrum, brain stem
2 division of Nervous system
Central NS, Peripheral NS
3 types of nerves in PNS
Cranial nerves
Spinal nerves
Peripheral nerves
2 divisions of CNS
Brain, spinal cord
GROUP OF NERVE CELL BODIES: CNS
NUCLEUS/NUCLEI
GROUP OF NERVE CELL BODIES: PNS
GANGLION/GANGLIA
GROUP OF NERVES: CNS
TRACT/PATHWAY
GROUP OF NERVES: PNS
NERVES
MYELINATION: CNS
OLIGODENDROCYTES
MYELINATION: PNS
SCHWANN CELLS
FOREBRAIN –> PROSENCEPHALON –> TELENCEPHALON –> ______
CEREBRUM, BASAL GANGLIA, LIMBIC LOBE
FOREBRAIN –> PROSENCEPHALON –> DIENCEPHALON –> _________
THALAMUS, HYPOTHALAMUS, SUBTHALAUM, EPITHALAMUS
MIDBRAIN –> MESENCEPHALON –> MESENCEPHALON –> _______
MIDBRAIN
HINDBRAIN –> RHOMBENCEPHALON –> METENCEPHALON –> _______
PONS, CEREBELLUM
HINDRBRAIN –> THOMBENCEPHALON –> MYENCEPHALON –> ________
MEDULLA OBLONGATA
FUNCTION OF FRONTAL LOBE
PERSONALITY, JUDGEMENT,
INTELLIGENCE, MOTOR PLANNING
FUNCTION OF PARIETAL LOBE
SENSORY INTEGRATION
FUNCTION OF OCCIPITAL LOBE
INTEGRATION OF VISUAL STIMULI
FUNCTION OF TEMPORAL LOBE
HEARING, TASTE, MEMORY
FUNCTION OF MIDBRAIN
- Coordinates movement of head, eyes, & trunk in response to visual & hearing stimuli
- Contribute to control of movement
FUNCTION OF PONS
- Relays nerve impulses from motor areas of cerebrum to cerebellum
- Control of breathing
FUNCTION OF MEDULLA OBLONGATA
- Control of heart beat and blood pressure
- Control of breathing
- Vomiting, swallowing, sneezing, coughing, & hiccups
2 PARTS OF ANTERIOR LOBE OF THE CEREBELLUM:
- SPINOCEREBELLUM
- PALEOCEREBELLUM
FUNCTION OF THE ANTERIOR LOBE OF THE CEREBELLUM
TRUNK CONTROL
2 PARTS OF POSTERIOR LOBE OF CEREBELLUM
- CEREBROCEREBELLUM
- NEOCEREBELLUM
FUNCTION OF THE POSTERIOR LOBE OF THE CEREBELLUM
COORDINATION
2 PARTS OF THE FLOCCULONODULAR LOBE
- VESTIBULOCEREBELLUM
- ARCHICEREBELLUM
FUNCTION OF THE FLOCCULONDULAR LOBE OF CEREBELLUM
BALANCE & EQUILIBRIUM
FUNCTION OF DORSAL/ POSTERIOR HORN
RECEIVES SENSORY INPUT
FUNCTION OF VENTRAL/ ANTERIOR HORN
SENDS MOTOR IMPULSES
FUNCTION OF LATERAL HORN
SYMPATHETIC NS
FUNCTION OF DORSAL COLUMNS
SENSORY INPUT ABOUT PROPRIOCEPTION
FUNCTION OF ANTERIOR COLUMNS
SENSORY INPUT ABOUT TACTILE SENSATIONS
FUNCTION OF LATERAL COLUMNS
SENSORY INPUT ABOUT TACTILE SENSATIONS
Clear, color less liquid composed primarily of water, small amounts of O2, glucose and other needed chemicals from blood ton neurons & neuroglia
CEREBROSPINAL FLUID (CSF)
TOTAL VOLUME OF CFS
80 ML - 150 ML OR 3-5 OZ
3 FUNCTION OF CFS
- MECHANICAL PROTECTION
- CHEMICAL PROTECTION
- CIRCULATION
CRANIAL NERVE: I
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- OLFACTORY NERVE
- SENSORY
- SMELL
CRANIAL NERVE: II
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- OPTIC NERVE
- SENSORY
- VISION
CRANIAL NERVE: III
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- OCULOMOTOR NERVE
- MOTOR
- Extraocular Eye Muscles – Medial * Rectus, Inferior Rectus,
- Superior Oblique, Inferior Oblique
- Opening of Eyelids - Levator Palpebrae Superioris
CRANIAL NERVE: IV
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- TROCHLEAR NERVE
- MOTOR
- EXTRAOCULAR EYE MUSCLES - SUPERIOR OBLIQUE
CRANIAL NERVE: V
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- TRIGEMINAL NERVE
- MIXED
- SENSATION OF FACE; MUSCLES OF MASTICATION
CRANIAL NERVE: VI
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- ABDUCENS NERVE
- MOTOR
- EXTRAOCULAR MUSCLE - LATERAL RECTUS
CRANIAL NERVE: VII
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- FACIAL NERVE
- MIXED/BOTH
- MUSCLE OF FACIAL EXPRESSION
- TASTE SENSATION - ANTERIOR 2/3RD OF THE TONGUE
CRANIAL NERVE: VIII
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- VESTIBULOCOCHLEAR NERVE
- SENSORY
- HEARING & EQUILIBRIUM
CRANIAL NERVE: IX
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- GLOSSOPHARYNGEAL NERVE
- MIXED/BOTH
- TASTE SENSATION FROM POSTERIOR 1/3 OF TONGUE, SWALLOWING
CRANIAL NERVE: X
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- VAGUS
- MIXED/BOTH
- TASTE SENSATION FROM THE EPIGLOTTIS (PHARYNX), SWALLOWING, VOCALIZATION, COUGHING, SMOOTH MUSCLES OF THE GI TRACT, SLOWS DOWN HEART RATE
CRANIAL NERVE: XI
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- ACCESSORY
- MOTOR
- TRAPEZIUS AND STERNOCLEIDOMASTOID MUSCLES
CRANIAL NERVE: XII
* NAME
* SENSORY, MOTOR, OR MIXED?
* FUNCTION
- HYPOGLOSSAL
- MOTOR
- MUSCLES OF THE TONGUE