When shopping for medical supplies, understanding the distinctions between different syringe types can help you make the right purchase for your needs. The 3ml syringe with cap has become increasingly popular for both medical and non-medical applications, but how does it compare to standard syringes? What Are Syringes? Syringes are pumps consisting of a snugly fit piston (plunger) in a calibrated glass or plastic cylinder (barrel). They have a hypodermic needle, nozzle, or t