1 : any of various composite plants (genus Chrysanthemum) including weeds, ornamentals grown for their brightly colored often double flower heads, and others important as sources of medicinals and insecticides. 2 : a flower head of an ornamental chrysanthemum.
Elastin is a highly elastic protein in connective tissue and allows many tissues in the body to resume their shape after stretching or contracting. Elastin helps skin to return to its original position when it is poked or pinched.
DRUG DESCRIPTION. Astelin (azelastine hydrochloride) Nasal Spray, 137 micrograms (mcg), is an antihistamine formulated as a metered-spray solution for intranasal administration.Azelastine hydrochloride occurs as a white, almost odorless, crystalline powder with a bitter taste.stelin Nasal Spray contains 0.1% azelastine hydrochloride in an aqueous solution at pH 6.8 Â± 0.3. It also contains benzalkonium chloride (125 mcg/mL), edetate disodium, hypromellose, citric acid, dibasic sodium phosphate, sodium chloride, and purified water.