Carotid Angiography Carotid angiography (an-jee-OG-ra-fee) is a special type of x ray. This test may be used if the ultrasound results are unclear or don't give your doctor enough information. For this test, your doctor will inject a substance (called contrast dye) into a vein, most often in your leg.
Dawn is defined as the first light of a new day or the beginning of something. An example of dawn is around 6am in September in California. An example of dawn is the beginning of the Computer Age. The definition of dawn is to begin to be understood, daylight or to appear.
Sunset is that time of the day when the sun goes down. Twilight is that time of the day where the sun goes up, it's also referred to as sunrise. Dusk is that time of the day in the evening when it starts getting darker but it's not sunset yet. and twilight is for gay guys. Also, for girls who read dumb books.