Histologic preparation stained with orcein demonstrates from 40 to 60 fenestrated elastic membranes within the middle coat of vessel. Name this vessel:

Answer options

1. Mixed type artery
2. Muscular vein
3. Nonmuscular vein
4. Elastic artery
5. Muscular artery

Explanation

Elastic arteries are those adapted to receive blood at moderate to high pressure near the outflow tracts of the heart.Their walls consist of:tunica intimatunica mediathe thickest layer at least fifty sheets of interconnected elastin fibers arranged in aconcentric, coiled manner between each sheet is a layer of smoothmuscle cellsspiral around the wall of the vessel, each cell connected to other smooth musclecells via gap junctions secrete elastin and collagen fibers (types I, III, and IV- tunica adventitia