csf - cerebrospinal fluid acronym, concept on blackboard

csf cerebrospinal fluid acronym concept blackboard abbreviation arachnoid black blood board body bony brain canal cerebral chalkboard choroid connection cord definition disease duct education flow granulation hand health hippocrates immunological infection intracranial learn lumbar mechanical medical medicine meninges perilymphatic phrase plexus pressure protection secreted spinal subarachnoid system teaching term ventricles word