USMLE Road Map Gross Anatomyi

 

Total bones: 206 - external surface: periosteum ~outer compact/dense bone ~inner spongy bone with spaces ~cavity of ma marrow rrow Causes of fracture Causes fracture 1. TRAUMA 2. ATROPHY  - disuse  - osteoporosis

 

ONLY AFFECTS SKELETAL MUSCLE

SPARES MUSCLES INNERVATED BY CRANIAL NERVES

 

Cell body  Ax  A xon (1 (1): ): carr rry y nerv rve e impuls lse es away fr fro om CB Dendrites (many) : carry info to CB

between the axon of a preganglionic neuron and dendrite or CB of a postganglionic postgan glionic neuron