Inner Ear
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Passageways in temporal bone = bony labyrinth (perilymph fluid)
-Endolymph-filled tubes floating in perilymph inside the bony labyrinth =
membranous labyrinth
Somatic pain
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arises from skin, muscles & joints
,Sound
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is any audible vibration of molecules
-Vibrating object pushes air molecules into zones of compression
separated by zones of rarefaction
-Molecules collide with eardrum & make it vibrate.
Antagonistic effects
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oppose each other
-exerted through dual innervation of same effector cells (heart slowed
down or sped up)
exerted because each division innervates different cells
(pupillary dilator muscle & constrictor pupillae change pupil size)
Neuronal divergence
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predominates
-each preganglionic cell branches & synapses on multiple post ganglionic
cells
-there are ~17 postganglionic neurons for every preganglionic neuron in the
SNS
-produces widespead effects on multiple organs
,Most of cerebrum is ___ matter
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white
Parasympathetic Cranial nerves
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Oculomotor (III)- narrows pupil, focuses lens
Facial nerve (VII)- tear, nasal & salivary glands
Glossopharyngeal (IX)- parotid salivary gland
Vagus nerve (X)- all major viscera as far as proximal half of colon; cardiac,
pulmonary & esophageal plexus
Brain waves
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states of consciousness that can be correlated w/ EEG (4 types: alpha,
beta, theta, delta)
Ventricles
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, Internal chambers within the CNS
-lined with ependymal cells & containing choroid plexus of capillaries that
produce CSF
___ is perception of intensity of sound energy
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Loudness
-how much the air molecules are compressed in decibels
Photoreceptors cells
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are next layer
-- derived from stem cells that produced ependymal cells
Outer Ear
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Fleshy auricle (pinna) directing air vibrations down auditory canal (external
auditory meatus)
-cartilagenous & bony, S-shaped tunnel ending at eardrum
Give this one a try later!
Passageways in temporal bone = bony labyrinth (perilymph fluid)
-Endolymph-filled tubes floating in perilymph inside the bony labyrinth =
membranous labyrinth
Somatic pain
Give this one a try later!
arises from skin, muscles & joints
,Sound
Give this one a try later!
is any audible vibration of molecules
-Vibrating object pushes air molecules into zones of compression
separated by zones of rarefaction
-Molecules collide with eardrum & make it vibrate.
Antagonistic effects
Give this one a try later!
oppose each other
-exerted through dual innervation of same effector cells (heart slowed
down or sped up)
exerted because each division innervates different cells
(pupillary dilator muscle & constrictor pupillae change pupil size)
Neuronal divergence
Give this one a try later!
predominates
-each preganglionic cell branches & synapses on multiple post ganglionic
cells
-there are ~17 postganglionic neurons for every preganglionic neuron in the
SNS
-produces widespead effects on multiple organs
,Most of cerebrum is ___ matter
Give this one a try later!
white
Parasympathetic Cranial nerves
Give this one a try later!
Oculomotor (III)- narrows pupil, focuses lens
Facial nerve (VII)- tear, nasal & salivary glands
Glossopharyngeal (IX)- parotid salivary gland
Vagus nerve (X)- all major viscera as far as proximal half of colon; cardiac,
pulmonary & esophageal plexus
Brain waves
Give this one a try later!
states of consciousness that can be correlated w/ EEG (4 types: alpha,
beta, theta, delta)
Ventricles
Give this one a try later!
, Internal chambers within the CNS
-lined with ependymal cells & containing choroid plexus of capillaries that
produce CSF
___ is perception of intensity of sound energy
Give this one a try later!
Loudness
-how much the air molecules are compressed in decibels
Photoreceptors cells
Give this one a try later!
are next layer
-- derived from stem cells that produced ependymal cells
Outer Ear
Give this one a try later!
Fleshy auricle (pinna) directing air vibrations down auditory canal (external
auditory meatus)
-cartilagenous & bony, S-shaped tunnel ending at eardrum
