Medical Terminology

Definition of Example
Example
Meaning
Root
any disease of the endocrine glands
endocrinopathy
endocrine glands or system 
endocrin/o
condition caused by any disorder of pituitary function
pituitarism
pituitary gland, hypophysis

pituitar/i
pertaining to the pituitary gland 
hypophysial
Pituitary gland , hypophysis
hypophysi/o
destroying the thyroid gland
thyrolytic
thyroid gland
thyr/o, thyroid/o
overactivity of a parathyroid gland
hyperparathyroidism
parathyroid gland 
parathyr/o , parathyroid/o
activated(erg) by or related to epinephrine (adrenaline) 
adrenergic
adrenal gland . epinephrine
adren/o , adrenal/o 
acting on the adrenal cortex
adrenocorticotropic
adrenal cortex
adrenocortic/o
pertaining to islet cells
insular
pancreatic islets
insul/o

Here you can see some word analysis : b

hyperthyroidism-------> hyper- : prefix   / thyroid : root   / -ism : suffix

tachycardiac------> tachy : prefix= faster   / card : root   / -iac : suffix of condition

exophthalmos-----> ex-( outside ) : prefix  / ophthalmos ( eyeball )  : root