Look at the words in the last frame. Draw a conclusion. extra- is used as a prefix in words that are usually (choose one) _______________ (nouns/adjectives). Recall that mamm/o is one combining form...

Look at the words in the last frame. Draw a conclusion. extra- is used as a prefix in words that are usually (choose one) _______________ (nouns/adjectives).

Recall that mamm/o is one combining form for breast. An x-ray picture of the breast is a mammogram. The process of taking this x-ray is called ____________ / __________ / ____________.