Ab- = not + -normal.
-ectasis is the medical terminology combining form meaning abnormal widening.
-osis
Yes, the medical terminology combining form -sclerosis means abnormal hardening.
-ectasia is the medical terminology combining form meaning abnormal enlargement of a diameter.
That would be 'itis'. As in sinusitis.-osis
Malacia (or suffix: -malacia) means any abnormal softening of tissue.
lack of or deficiency. An abnormal reduction
-megaly means abnormal enlargement
Bleeding, or abnormal excessive fluid discharge.
Hetero- is the medical terminology combining form meaning unlike or different. For instance, heterosexual refers to someone sexually attracted to the opposite sex. Heterochromia means different colors.
The medical terminology combining form dys- means abnormal or bad.
-plasia is the medical terminology combining form meaning formation. So neoplasia means new formation, and dysplasia means abnormal formation.