1 In dogs, cetirizine is used primarily to treat allergic symptoms and itchy skin e.g from allergic dermatitis and atopy in dogs.  In cats, cetirizine is used to treat non-responsive chronic inflammation of the nose and sinuses (rhinosinusitis). It is also used to treat pruritus (itching) in cats.
Mother of pearl, also called nacre, is an iridescent layer of material that forms the shell lining of many mollusks. Pearl oysters and abalone are both sources of this substance, which is widely used as an inlay in jewelry, furniture, and musical instruments.
pearl. 1  To set or adorn with pearls, or with mother-of-pearl. Used also figuratively. 2  To cause to resemble pearls; to make into small round grains; as, to pearl barley. 3  To resemble pearl or pearls. 4  To give or hunt for pearls; as, to go pearling. ( 5 surfing) to dig the nose of one's surfboard into the water, often on takeoff.