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MSU ANTR 350 - Structure of Blood Vessels
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ANTR 350 1st Edition Lecture 28Outline of Last Lecture I. Cardiac tamponadeII. Surfaces of heartIII. Valves Outline of Current Lecture II. Structure of blood vesselsIII. Classification of blood vesselsCurrent Lecture-structure of blood vessels-Flexible, hollow, branching tube-Hollow central canal is called the lumen-lumen is surrounded by 3 concentric layers of tissue called tunics-tunica adventitia: outermost layer-tunic media: middle layer-layer of smooth muscle tissue which is innervated by autonomic nervous system-tunica interna: innermost layer-classification of blood vessels-arteries: carry blood away from heart-3 types-elastic-largest-capable of withstanding large pressure changesThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.-muscular-high percentage of smooth muscle-medium sized-represent most of the named arteries in body-arterioles-small-control the amount of blood flowing into capillary beds-veins: carry blood towards the heart-carry high volume of blood at slow speed-2 kinds-veins-small, medium and large-venules-comparable to arterioles-capillaries: smallest blood vessels-found throughout body and in most organs-very thin walled-some have gaps in their walls-do not have tunica externa or tunica


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MSU ANTR 350 - Structure of Blood Vessels

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