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9 Cards in this Set

  • Front
  • Back
What are the three major types of blood vessels
Arteries
Veins
Capillaries
Lumen
The central blood containing space of all blood vessels
Three layers that surround the lumen
tunica intima
tunica media
tunica externa
Three groups of Arteries
Elastic
Muscular
Arterioles
Capillaries
the smallest blood vessel
thin walls consisting of tunica media
1mm in length
lumen diamter is 8-10um
most tissues except tendons and ligaments have a rich capillary supply
Three types of capillaries
continuous capillaries
fenestrated capillaries
sinusoids
Tunica intima
the innermost layer that contacts the blood in the lumen
thin walled
contains simple squamous epithelium
Tunica media
middle layer that contains smooth muscle that controls the vasomotor nerve fibers of the ANS
Tunica externa
outer layer composed of collagen fibers that anchor the blood vessels