Poliomyelitis
- Poliovirus
- Picornavirus
- Fecal-Oral Transmission
- Destruction of Anterior Horn
- Flaccid Paralysis
- Hyporeflexia
- Fasciculations
- Elevated CSF Lymphocytes and Proteins
- Normal CSF Glucose
- Viral Culture or PCR
- Supportive Care
- Vaccination
Type I Spinal Muscular Atrophy
- Lower Motor Neuron Disease
- SMN1 Mutation
- Degeneration of Anterior Horn Cells
- Autosomal Recessive
- Symmetric Flaccid Paralysis
- Hypotonia
- Bulbar Palsy
- Extraocular Muscle Sparing
- Respiratory Failure
- Genetic Testing
- Supportive Therapy
- Nusinersen
Amyotrophic Lateral Sclerosis (ALS)
- Progressive Muscle Weakness
- Systemic Muscle Wasting
- Fasciculations
- Spasticity
- Fatigue
- Riluzole (Rilutek)
- Moderate Exercise
- No Cognitive Decline
- Respiratory Support
- Palliative Care
Posterior Column (Dorsal Column)
- Ascending Pathway (Sensory)
- Proprioception
- Fine Touch
- Pressure
- Vibration Sensation
- Dorsal Root
- Fasciculus Cuneatus
- Arms
- Fasciculus Gracilis
- Lower Limbs
- Vitamin B12 Deficiency
- Tabes Dorsalis
Syphilis
- Treponema pallidum
- Spirochete with characteristic motility
- Painless chancre
- Condylomata lata
- Generalized lymphadenopathy
- Rash on palms and soles
- Aortitis
- Gummas
- Neurosyphilis
- Argyll Robertson pupils
- Vasa vasorum
- Tabes dorsalis
- Penicillin
- Jarisch-Herxheimer reaction
Vitamin B12 (Cobalamin) Mechanism and Deficiency
- Cobalamin
- Large reserve pool in the liver
- Homocysteine to methionine
- Methylmalonyl CoA to succinyl CoA
- Macrocytic Megaloblastic Anemia
- Hypersegmented Neutrophils
- Neurologic defects
- Posterior column
- Lateral corticospinal tract
- Spinocerebellar tract