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PNS Peripheral Nervous System

iincludes all of the nerves that extend off the brain and spinal cord. Includes afferent and efferent divisions.

ANS

Automatic Nervous system involuntary functions

Layers of meninges

Dura mater, arachnoid mater, Pia mater.

Dura Mater

Outer brain covering

Arachnoid Mater

Middle

Pia Mater

Outermost

Spinal Cord

Foramen magnum of the occipital bone and continues to the 2nd lumbar vertebrae.

How many pairs of spinal nerves

31

Hypothalamus

forms floor on third floor. automatic nervous control, cardivascular, tempuature control, appetite control emotional state and sleep.

Brainstem

made up of the midbrain, pons and the medula oblengata.

Cerebrum

83% of brian mass. responsible for higher mental thinking and distrubutions of impulses.

Cerebellum

Below and posterior to cerebrum. Coordinates muscular movement, posture, balance, running, and walking.

Fissure

Deep grooves

Sulci

Shallow grooves

Diencephalons

Area between cerebrum and midbrian.

Lobes

Frontal, Pariental, Occipital, Temporal.

Frontal LObe

voluntary motor control, learing, planning, speech

Pariental Lobe

Sensory, distance, size, shape.

Occipital

Vision

Temporal

auditory and olfactory

Pons

Respiratory

Medulla Oblongata

rate and depth of repiration

Midbrian

Upper part of brainstem controls postural reflexes and walking.

Thalamus

gray matter, relay station for sensory incoming and motor outgoing impulses.

Taxia

order or arrange

narco

not mentally alert

Esthesia

without feeling

phasia

formation

plegia

paralysis

Pyscho

mind

Algesia

pain

Parkinsons

cause- unknown. S&S- stiffness, tremors, muscle movement. Treat-medication. "Shaking Palsy"

TIA

cause- decrease in blood to an area of blood. S&S slurred speech, numbness, vision disturbances.

Alzheimers

Cause- unknown. S&S- loss of memory. Treat- helps control, no cure.

Seizure

Cause- drugs, stress. S&S lapse of consciousness. Treat- Medication

Hematoma

N/A

Down's

Cause- presence of extra chromosome. S&S- short statyre, stubby fingers, large tongue, retardation. Treat- no cure

CVA

Cause- loss of oxygen Treat- helps recover from functional losses.

Quadriplegia

All 4 limps paralysised

Paraplegia

Partially paralysised

Anethesia

drug to put someone to sleep

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