ABSTRACT
Treatment Prexes are tags at the beginning of words that modify the word. Many medical terms contain prexes and although it is not always possible to judge what particular prex should be used, they are useful to learn as they do have specic meanings. Some relate to parts of the body such as these:
adeno-gland adip-fat angi-vessel brachi-arm cost-rib hepat-liver ment-chin my-muscle nephr-kidney ot-ear pleur-rib rachi-spine sarco-esh/muscle stoma-mouth
Some relate to position on the body:
ante-before, forward, in front of anti-against
endo-inside, within epi-on, outer
inter-between, among intra-within, inside
peri-near, surrounding post-aer
pre-before sub-under, below, beneath
trans-across, over, through
Other prexes found in medicine are more general and are used in other disciplines and in everyday English. ese prexes relate to the presence and absence of something and strength and similarity, and they can also have positive or negative connotations.
