Medical Terminology Medical Terminology/Root Words

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plasia word-forming element in biology and medicine denoting "formation, growth, development," from Modern Latin -plasia, from Greek plasis "molding, formation," from plassein "to mold"
atresia absence or abnormal narrowing of an opening or passage in the body.
ligate tie up or otherwise close off (an artery or vessel)
otomy (as in thorocotomy) suffix meaning "to make an incision or cut into": phlebotomy, tracheotomy.
Lenti – as in Lentivirus Lenti means "slow" – HIV is an example
Amyl – as in amyloidosis (Amylo- before a consonant.) A prefix pertaining to starch. From the Greek amylon, meaning starch.
ectasis (bronchiectasis) dilation or expansion
oligo Means just a few or scanty. From the Greek "oligos', few, scanty. Examples of terms starting with oligo- include oligodactyly (few fingers), oligohydramnios (too little amniotic fluid) and oligospermia (too few sperm).
effusion (as in pulmonary effusion) an escape of fluid into a body cavity.
hemi – as in hemiparesis, hemiplegia, and hemithorax From the Greek hemisus meaning half and equivalent to the Latin semi
scaphoid boat-shaped; navicular
apical relating to or denoting an apex.

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