Term
| cerebrospinal fluid functions |
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Definition
cushion neural structures
support brain
transport nutrients, chem messengers, and waste products |
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Term
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Definition
| control visceral functions |
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Term
medulla oblongata
3 group nuclei |
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Definition
1. autonomic nuclei-> cardiovascular and resp center
2. sensory and motor nuclei of cranial nerves
3. relay station along sensory and motor pathway |
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Term
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Definition
1. sensory and motor nuclei
2. respiration nuclei
3. process and relay info to and from cerebellum nuclei
4. ascending, descending, and transverse tracts |
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Term
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Definition
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Term
midbrain
cerebral peduncles |
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Definition
| nerve fiber bundles w/descending fibers 2 &from cerebellum |
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Term
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Definition
sensory info and motor commands
made of thalamus, epithalamus, and hypothalamus |
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Term
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Definition
functional group dat
est emotion
link conscious intellectual functions w/auto functions
memory storage and retrieval |
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Term
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Definition
process somatic sensory and motor info
mostly white matter |
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Term
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Definition
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Term
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Definition
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Term
| 5 groups of thalamic nuclei |
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Definition
1. anterior
2. posterior
3. medial
4. ventral
5. lateral |
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Term
diencephalon
anterior group |
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Definition
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Term
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Definition
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Term
diencephalon
ventral group |
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Definition
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Term
diencephalon
posterior group |
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Definition
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Term
diencephalon
lateral group |
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Definition
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Term
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Definition
process sensory info
control reflex eating movements |
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Term
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Definition
| connect hypothalamus 2 pituitary gland |
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Term
| 8 functions of hypothalamus |
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Definition
1. subconscious control skeletal muscle
2. control auto functions
3. coordinate activities of nervous and endocrine system
4. secrete hormone
5. emotion and behavior
6. coordinate voluntary and auto functions
7. reg body temp
8. control circadian rhythm |
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Term
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Definition
sympathetic
parasympathetic |
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Term
| ganglionic neurons location |
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Definition
sympathetic chain ganglia
collateral
adrenal medullae |
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Term
| sympathetic chain ganglia |
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Definition
| both sides of vertebral column |
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Term
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Definition
| mo'a common and excitatory |
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Term
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Definition
| occur on ganglion cells-> cause excitation |
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Term
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Definition
| reach organs and tissues thru body |
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Term
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Definition
| can b modified, facilitated, or inhibited by higher centers |
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Term
action potential generation
4 steps |
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Definition
1. threshold depolarization
2. Na+ channel activation
3. Na+ channel inactivation and K+ channel activation
4. return 2 normal permeability |
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Term
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Definition
| cells not in direct contact |
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Term
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Definition
| graded potentials dat dev in postynaptic cell in response 2 neurotranmitters |
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Term
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Definition
superficial
get myelinated and unmyelinated axons |
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Term
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Definition
| get neuron cell body, neuroglia, unmyelinated axons |
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Term
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Definition
surrounded by 3 connective tissue layers
support structures& get blood vessels |
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Term
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Definition
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Term
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Definition
wiring of single reflex
begin @ receptor
end @ effector
oppose original stimulus |
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Term
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Definition
1. stimulus arrival, activation of receptor
2. sensory neuron activation
3. info processing by postsynaptic cell
4. activation of motor neuron
5. response of peripheral effector |
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Term
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Definition
| maintain tone and contract muscle |
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Term
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Definition
stretch reflex
maintain posture
stretched muscle respond by contracting
maintain balance |
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Term
| autoregulation (intrinsic) |
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Definition
| automatic response in cell,tissue, or organ 2 env change |
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Term
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Definition
resonse increase change of stimulus
body move away from homeostasis
normal range lost
speed up process |
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Term
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Definition
| solution of large organic molecules |
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Term
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Definition
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Term
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Definition
| chain of C & H w/carboxyl group @ 1 end |
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Term
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Definition
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Term
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Definition
Shape
Cellularity
Regeneration
Avascularity
Polarity |
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Term
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Definition
1. protection
2. permeability
3. sensation
4. secretion |
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Term
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Definition
structure
transport fluid
protect organs
store E
defend |
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Term
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Definition
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Term
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Definition
| 4 layers of keratinocytes |
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Term
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Definition
protection
excretion
maintain body temp
produce melanin
produce keratin
vitamin D synthesis
store lipids
sensory detection |
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Term
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Definition
areolar tissue
get small lymphatics, capillaries, sensory neurons
dermal papillae projections |
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Term
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Definition
make cerumen (earwax)
protect eardrum |
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Term
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Definition
1. support
2. store minerals and lipids
3. blood cell production
4. protection
5. leverage |
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