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.
Jasper Facts, Information and Description. Jasper is one of the birth stones listed for the Sun Sign of Virgo. It is also the Mystical birthstone for the month of October. See the birthstone tables for additional references to this stone.Jasper is an opaque and fine grained variety of Chalcedony.asper is one of the birth stones listed for the Sun Sign of Virgo. It is also the Mystical birthstone for the month of October. See the birthstone tables for additional references to this stone.