Medical Dictionary


adj ex·ter·nal \ek-ˈstərn-əl\

Medical Definition of EXTERNAL

:  capable of being perceived outwardly :  bodily <external signs of a disease>
a :  situated at, on, or near the outside <an external protective covering> <an external muscle> b :  directed toward the outside :  having an outside object <external perception> <eyesight and the other external senses> c :  used by applying to the outside <an external lotion>
a (1) :  situated near or toward the surface of the body; also :  situated away from the mesial plane <the external condyle of the humerus> (2) :  arising or acting from outside :  having an outside origin <external causes> <external stimuli> b :  of, relating to, or consisting of something outside the mind :  having existence independent of the mind <sensations aroused by external phenomena> <external reality>
ex·ter·nal·ly \-əl-ē\ adverb
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