Term
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Definition
made up of discs
purpose of Stability and Movement |
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Term
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Definition
filled with FAT
for cushion |
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Term
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Definition
outer meniges
"Tough Mother"
dense irregular CT tube |
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Term
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Definition
filled with Interstitial Fluid
also know as Extracellular fluid |
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Term
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Definition
| spider web of COLLAGEN fibers |
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Term
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Definition
| CSF: cerebral spinal fluid |
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Term
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Definition
inner meniges
"Soft Mother"
right on the cord
thin layer covers BV |
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Term
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Definition
Dura Mater
Arachnoid
Pia Mater |
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Term
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Definition
Falx Cerebri
Tentorium Cerebelli
Falx Cerebelli |
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Term
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Definition
| seperates -- fold of the dura mater going down deep into the fissure (crevice) of the two cerebral hemispheres |
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Term
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Definition
| Seperates the cerebrum from the cerebelli |
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Term
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Definition
| Seperates the two cerebellum hemispheres |
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Term
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Definition
highway for sensory and motor information
SEnsory tracts AScend (AS SE)
MOtor tracts DEscend (MO DE)
>> ASSE MODE |
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Term
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Definition
| indicates POSITION and DIRECTION of signal |
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Term
| Connective Tissue Coverings |
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Definition
Endoneurium (innermost)
Perineurium
Epinerium (outermost) |
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Term
Endoneurium
(CT Covering) |
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Definition
innermost covering -
wrapping around each nerve fibers |
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Term
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Definition
| Surrounds group of nerve fibers forming a fascicle |
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Term
|
Definition
outermost-
Covering of entire nerve
-- dura mater blends into it at intervertebral foramen |
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Term
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Definition
-pyramidal tract (corticospinal)> information directly from brain
-extrapyramidal tract > indirect; makes "stops" on the way to the brain |
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Term
| Location of SENORY TRACTS |
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Definition
-spinothalamic
-spinocerebellar
-posterior column |
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Term
| Spinothalamic tract function |
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Definition
| pain, temperature, deep pressure & crude touch |
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Term
| Posterior columns function |
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Definition
| proprioception, discriminative touch, two-point discrimination, pressure and vibration |
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Term
| Direct pathways (corticospinal & corticobulbar) Functions |
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Definition
| – precise, voluntary movements |
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Term
| Indirect pathways (rubrospinal, vestibulospinal) Functions |
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Definition
| programming automatic movements, posture & muscle tone, equilibrium & coordination of visual reflexes |
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Term
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Definition
| Relay station for sensory information on way to cortex |
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Term
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Definition
-Controls and integrates ACTIVITIES OF THE ANS which regulates smooth, cardiac muscle and glands
-Synthesizes regulatory HORMONES that control THE ANTERIOR PITUITARY
-Contains CELL BODIES OF AXONS that end in posterior pituitary where they secrete hormones
-Regulates rage, aggression, pain, pleasure & arousal EMOTIONS
-FEEDING, THIRST & SATIETY centers
-Controls body TEMPERATURE
-Regulates daily patterns of SLEEP |
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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
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Definition
Function
– correct voluntary muscle contraction and posture based on sensory data from body
about actual movements
– sense of equilibrium |
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Term
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Definition
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Term
| mechanical protection brain - CSF |
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Definition
cerebral spinal fluid -
floats brain & softens impact with bony walls |
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Term
| chemical protection of brain - CSF |
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Definition
optimal ionic concentrations for action potentials
-circulation |
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Term
| 4 Important SOMATIC SPINAL REFLEXES |
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Definition
stretch
tendon
flexor(withdrawal)
crossed extensor reflexes |
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Term
| somatic reflexes result in ... |
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Definition
| ...skeletal muscle contraction |
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Term
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Definition
| capillaries covered by ependymal cells |
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Term
| Choroid plexus Ventricles |
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Definition
4 ventricles:
2 lateral ventricles, one within each cerebral hemisphere
roof of 3rd ventricle
fourth ventricle |
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Term
| 5 cranial nerves arise from medulla |
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Definition
| 8 thru 12 - in the medulla oblongata |
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Term
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Definition
| Skin on face supplied by Cranial Nerve V |
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Term
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Definition
| ability to know where body parts are |
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Term
| Blood-brain barrier (BBB) |
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Definition
– protects cells from some toxins and pathogens
• proteins & antibiotics can not pass but alcohol & anesthetics do |
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