medical terminology

1. A I S H A J A M A L
THE NERVOUS SYSTEM

2. KEY POINTS
• To control the body’s activities by relaying
messages
• Main divisions of the nervous system
• central nervous system: brain and spinal cord
• peripheral nervous system: nerves

3. FUNCTIONS OF NERVOUS SYSTEM
- Nervous system uses its millions of
sensory receptors to monitor changes occurring both
inside and outside of the body. Stimuli and gathered
information is: Sensory Input.
- the nervous system processes and
interprets the sensory input to make decisions, a process
called – integration
- Nervous system sends messages to the
muscles, glands and organs to respond correctly.

4. GENERAL KNOWLEDGE CONTINUED…
Combining forms
• Alges/o- excessive
sensitivity to pain
• angi/o- pain
• Caus/o- burning
• Cephal/o- head
• Cerebell/o- cerebellum
• Comat/o- deep sleep
• cry/o- cold
• Crani/o- skull
• Dur/o- dura mater
• Encephal/o- brain
• gli/o- glue, parts of
nervous system that
connect
• Hydr/o- water

5. CONTINUED….
prefixes
Dys- painful
Epi- above
Hemi-half
Hyper-above;excessive
hypo- below
Intra- within
Micro- small
Para- abnormal;near
• Polio-gray matter
• Poly- many
• Quadri- four
• Sub- under; below

6. GENERAL KNOWLEDGE
suffixes
• -scleroisis: hardening
• -kinetic: pertaining to
movement
• -lepy: seizure
• -itis: inflammation
• -esthesia: nervous
sensation
• -algia: pain
• -tomy: process of cutting
• -plegia: paralysis
• -paresis: slight paralysis
(weakness)
• -oma: tumor/mass