bullous

As an adjective bullous

is of, pertaining to or characterized by bullae.

As a noun blister is

a small bubble between the layers of the skin that contains watery or bloody fluid and is caused by friction and pressure, burning, freezing, chemical irritation, disease or infection.

As a verb blister is

to cause blisters to form.

As a noun bolus

is a round mass of something, especially of chewed food in the mouth or alimentary canal.

As an adjective bullous is

of, pertaining to or characterized by bullae.

As adjectives the difference between bullous and bulbous

is that bullous is of, pertaining to or characterized by bullae while bulbous is having the shape of or resembling a bulb, bloated.

As a noun bulla

is (medicine) a blister, vesicle, or other thin-walled cavity or lesion or bulla can be a rich jamaican cake made with molasses and spiced with ginger and nutmeg.

As an adjective bullous is

of, pertaining to or characterized by bullae.