Stoma- is the medical terminology combining form meaning mouth. It can be found in words like stomatitis (inflammation of the mouth) or xerostomia (dry mouth).
or/o
or/o
Prefix: oro- (meaning "mouth") Suffix: -pharynx (meaning "throat") Combining form: or/o- (meaning "mouth") + pharyng/o- (meaning "throat")
The prefix for dry is xero- For example xerostomia means dry mouth
The combining form for "gingivo-" is "gingiv/o-".
The combining form for dermatologist is dermat/o.
The combining form for potassium is kal/i.
The combining form meaning "one who specializes in" is "-ologist".
The combining form is that the prefix osteo- is added.
Combining form for shape
The combining form for imperfect is dysto-.