Ch. 13 Nervous Flashcards
Embryonic CNS is also known as…
Neural Tube
Top of neural tube
Anterior neuropore
Bottom of neural tube
Posterior neuropore
Posterior neural pore doesn’t close
Spina bifida
Anterior neuropore doesn’t close
Anencephali
Spina Bifida that has little to no deficit
Spina Bifida Occulta
Spina bifida with protruding CS sack
Meningocele
Spina Bifida with some cord outside body
Meningomyelocele
Spina Bifida with undeveloped cord (BAD)
Myelocele
Water on the Brain
Hydrocephalus (Blockage causing back up in ventricles)
Increased cranial pressure leads to…
Headaches
Diffused pain is what kind of headache?
Common
Alergies, inflamation, Muscle tension etc.
Headache triggers
Focused headache behind eyes
Cluster headaches
Headache more common in men 30-60 minutes
Cluster
Headache more common in women hrs-days
Migraine
CNS infection in the meninges (fever)
Meningitis
CNS infection in the brain tissue (No fever)
Encephalitis
Pocket of bacteria in brain
Abscess
Recurrent Seisures
Epilepsy
Constant Seisure
Status Elepticus
Fever induced seizure
Febrile
Loss of awareness seizure seen in children
Petit mal
Loss of conciousness seaizure
Grand mal
Direct loss of function degeneration
Neuronal
Neronal degeneration can lead to what?
Seizures
What cells support/protect neurons
Neuroglia
Repeated micro contractions of muscle
Tremors
tremors at rest
Essential
Tremors while moving
Non-essential
Neurofibrillary tangles, amyloid plaques, fibrosis in the thalmus cause
Alsheimers
90% of degenerative disease is..
Demyelenating
Damage to motor nerves (autoimmune)
Multiple Sclerosis
Idiopathic upper or lower limb issues
Amytrophic Lateral Sclerosis (Lou Gehrigs)
Damage to nuclei (idopathic)
Parkinsons
Atrophy of basil nuclei (autosomal dominant)
Huntingtons
Repeated jerky movments associated with Huntingtons
Chorea
Impact on same side as damage
Coupe
Impact on opposite side as damage
Counter-coupe
Bruise or bleed is aka
Contusion
Pocket of blood
hematoma
Physical Trauma to the brain
Concussion
Damage to cerebral cortex @ or near birth
Cerebral Palsy
Causes of cerebral palsy
Trauma, infection, chems
Trauma to CNS <5yrs
shaken baby syndrome
Neuroglial Tissue Tumor (malignant/metastatic)
Glioma
Most common brain cancer
Gliblastoma (any neuroglial cell)
Nervous tissue becomes cancer
Malignant neuroma
Subjective interpretation of problem
Pain
Skind pain
Cutaneous
Deeper, internal focused acute pain
Somatic
Deep diffused pain
Visceral
Pain from damaged nerves
Neuropathic
Incorrect location pain
Referred pain
Retina nerve pain
Retinopathy
Unequal pupil size (alingment)
Anisocoria
Cross eyed
Strabismus
Double vision
Diplopia
Involuntary eye movement
Nystagmus
Near sightedness
Myopia
Far sightedness
Hyperopia
Age related vision changes
Presbyopia
Irregular curve causing blurred vision
Astigmatism
Scare on lens
Cataract
Infection of sebaceous gland of outer eye
Stye
Inflammation of the conjunctiva
Conjunctivitis
Increased ocular pressure
Glaucoma
Dead tissue due to low blood flow (blind spots)
Diabetic Retinopathy
Macular cells die (central blind spot)
Macular degeneration
Inflammation of outer ear (swimmers ear)
Otitis externa
Fluid filled scar around ear
Keloid
Inflammation of the middle ear
Otitis media
Fibrosis of ear oscicles
Otosclerosis
Inflammation of the inner ear
Otitis interna
Dysfunction of vestibular system causing dizziness
Vertigo
Ringing in the ears
tinnitus
Hearing loss due to inner ear damage (tone def)
Sensory
Cranial nerve damage hearing loss
Neural hearing loss