Nervous System The nervous system coordinates and controls the body by receiving information through sensory receptors, analyzing the information, and ordering the body to respond.
Nervous System Suffixes The following are two suffixes mentioned in Chapter 12: -esthesia -plegia
-Esthesia Definition: capacity for sensation or feeling. Common words: Anesthesia Hyperesthesia Paresthesia
Anesthesia One of the more recognizable words with the suffix –esthesia. Meaning lack of sensation or having sensation blocked or temporarily taken away. Often given to medical patients to block pain during procedures.
-Plegia Definition: paralysis or cessation of motion. Common words: Hemiplegia Paraplegia Quadriplegia
Quadraplegia One of the more common words with the –plegia suffix. Meaning the paralysis of four. In the case of humans, it means the paralysis of four limbs. Often caused by an injury or illness to the cervical area of the spinal cord.