Muscular arteries are arteries with smaller lumen containing more smooth muscle and are capable of vasoconstriction and vasodilation. They branch from the elastic arteries and distribute blood to the various regions of the body.
â¢ JASPER (noun). The noun JASPER has 1 sense: 1. an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone. Familiarity information: JASPER used as a noun is very rare. JASPER (noun). The noun JASPER has 1 sense: 1. an opaque form of quartz; red or yellow or brown or dark green in color; used for ornamentation or as a gemstone. Familiarity information: JASPER used as a noun is very rare.
1 Agate Jasper-Opaque multicolored Jasper, or Jasper with banding; may also refer to a single stone with a combination of both Agate and Jasper. 2  Biggs Jasper-Jasper from Biggs Junction, Oregon, with varying light and dark color brown bands and pretty formations.