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Definition
located in vertebral foramen.
beings at foramen magnum and ends at conus medullaris
conducts sensory impulses to the brain and motor impulses from the brain to body |
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largest part of brain in mammals
frontal, parietal, occipital, and temporal lobes |
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between frontal bone and central sulcus and above eye orbits
motor function and mood, foresight, motivation, and social judgement |
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between parietal bone and central sulcus
integration of sensory info except for vision, hearing, and smell |
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between occipital bone and parieto-occipital sulcus
visual signals |
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between temporal bone and lateral sulcus
memory, vision, learning, hearing, and emotional behaviour |
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Definition
| thick folds in surface of cerebrum |
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Definition
| shallow grooves in surface of the cerebrum |
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| deep groove separating the cerebrum into right and left halves |
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second largest part of the brain
regulation of posture and balance, fine motor control of muscle, and repetitive movements |
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Definition
gland directly attached to the hypothalamus.
divided into anterior and posterior |
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Definition
| hormones that regulate endocrine glands |
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| store and release hormones produced by hypothalamus |
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| integrates all sensory info and channels it to the proper place |
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| coordinates activities of nervous and endocrine system and between autonomic and voluntary activities |
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Definition
| structure that processes olfactory info and contains centers for reflex movements involving eating |
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regulates day/night cycle
secretes melatonin, which affects sleepiness |
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Definition
| physically joins two cerebral hemispheres |
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Definition
"mesencephalon"
above the pons and is smallest part of brain stem.
oculomotor, trochlear, and trigeminal nerves originiate here |
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Term
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Definition
just above medulla on brain stem
controls respiration and helps regulate sleep
origin for trigeminal, abducens, facial, and vestibulocochlear nerves |
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Definition
base of brain stem
nerve center for heart rate, blood vessel diameter, respiration, swallowing, vomiting, coughing, sneezing, and hiccoughing. |
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Definition
| structure located at bottom center of brain where optic nerves cross |
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Definition
just below frontal lobes,
function in smell |
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Term
| arachnoid layer of meninges |
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Definition
| vascular layer of connective tissue which functions to protect brain and spinal cord |
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Definition
| space between arachnoid and pia mater containing cerebrospinal fluid |
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Definition
| transparent layer of connective tissue on surface of brain and spinal cord. has blood vessels for spinal cord |
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| white matter of spinal cord |
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Definition
surrounds gray matter
myelinated and unmyelinated axons
anterior, lateral, and posterior columns |
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Term
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Definition
shaped like a butterfly
has neuroglia cells, dendrites, and unmyelinated axons
anterior, lateral, and posterior horns |
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| dorsal root of spinal nerve |
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Definition
| contains axons of autonomic sensory neurons |
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Term
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Definition
| contains cell bodies of somatic and autonomic sensory neurons |
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| ventral root of spinal nerve |
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Definition
| contains cell bodies of somatic motor neurons that innervate skeletal muscles |
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Term
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Definition
| nerve tracts that connect the spinal cord with various regions of the body |
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Definition
| must superficial layer of connective tissue surrounding the brain and spinal cord |
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Definition
nerve that functions in sense of smell
goes from olfactory epithelium in nose to olfactory lobe |
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Definition
nerve involved in vision
originates in retina and goes to optic chiasma |
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Definition
nerve that originates int eh brain and goes to the eye
motor function: eye movement, diameter of pupil, focusing lens, raising eye lid
sensory: provide info on position of eye |
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Term
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Definition
mixed nerve which originates in brain and goes to eye
motor function: lateral and inferior movement of eye
sensory: provide info on position of eye |
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Definition
three divisions: face, jaws, mouth, tongue and scalp. terminates in the pons.
sensory: touch receptors on the face
motor: chewing |
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Definition
originates in the pons and innervates the lateral rectus eye muscles
motor:lateral movement of eye
sensory:info on position of eye |
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Definition
mixed with motor neurons, originates in the pons. innervates muscles of face, scalp, neck and salivary glands.
sensory: reception of taste stimuli for anterior 2/3 of tongue and position of face and scalp muscles |
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Definition
originates in inner ear and terminates in thalamus.
hearing and equilibrium
motor: response by the head and neck to changes in eq. |
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Definition
originates in medulla and goes to pharyngeal region
sensory: taste, touch by the tongue, gag reflex, and regulation of blood pressure and respiration
motor: control of pharyngeal muscles in swallowing speech, salivation, and gag reflex |
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Term
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Definition
motor fibers originate in medulla and run to muscles in pharyngeal region, digestive, respiratory, and heart systems.
motor: smooth muscle of respiratory and digestive tracts. swallowing, coughing, and speech
sensory: hunger, fullness, respiratory feeling, and external ear canal |
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Term
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Definition
originiates int eh medulla and upper cervical portion of spinal cord
motor: voluntary swallowing and movements of muscles of the head, neck, and shoulders
sensory: provide position of muscles |
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Definition
originates in upper cervical portion of spinal cord and terminates in muscles of tongue
movement: food manipulation, swallowing and speech
sensory: aforementioned activites |
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Definition
| responds to internal or external stimulus |
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Definition
| passes afferent impulse along CNS |
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Term
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| passes impulse from integrating center to effector organ |
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