Bird, vessels (LM, High)

Structure List ARTERY Tunica intima Tunica media Tunica adventitia VEIN Tunica intima Tunica media Tunica adventitia

AVIAN ARTERIES AND VEINS : HISTOLOGY. Compare and contrast with the mammalian features. In the arteries find: 1.tunica intima. 2.tunica media. 3.tunica adventitia Which contains the most smooth muscle? Determine the relative ratio of wall thickness to the luminal diameter. Most of the named arteries of gross anatomy are muscular arteries. These are the major distributing type. In the vein, look for: 1. thin tunica intima 2.tunica media 3.tunica adventitia (forming bulk of wall)