ampulla

As nouns the difference between bulb and ampulla

is that bulb is any solid object rounded at one end and tapering on the other, possibly attached to a larger object at the tapered end while ampulla is a roman two-handled vessel.

As a verb bulb

is to take the shape of a bulb; to swell.

In anatomy terms the difference between ampulla and sinus

is that ampulla is the dilated end of a duct while sinus is a pouch or cavity in any organ or tissue, especially the paranasal sinus.

As nouns the difference between ampulla and sinus

is that ampulla is a Roman two-handled vessel while sinus is a pouch or cavity in any organ or tissue, especially the paranasal sinus.

As a noun ampulla

is a roman two-handled vessel.

As an adjective ampullar is

resembling an ampulla.

As nouns the difference between ampulla and chrismatory

is that ampulla is a roman two-handled vessel while chrismatory is part of a church set aside for the rite of confirmation.