'Tunica externa ' diaporamas de présentation

Chapter 19.

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Cardiovascular System

Cardiovascular System. Blood Vessels. Anatomy of Blood Vessels. Arteries carry blood from the heart to the tissues. Anatomy of Blood Vessels. Arterioles are small arteries that connect to capillaries. Anatomy of Blood Vessels.

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Blood Vessels

Blood Vessels. Blood Vessels. There are 100,000 miles of blood vessels. With the exception of hyaline cartilage (which is avascular), no cell is more than a few cell diameters away from a blood vessel, so they can get oxygen, nutrients, remove waste. Blood Vessels.

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Cardiovascular System

Cardiovascular System. Vessels and Circulation. Vessels and Circulation. Two groups of blood vessels PULMONARY SYSTEMIC Closed system Begins and ends at the heart Major types of vessels ARTERIES CAPILLARIES VEINS. Size and Direction.

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The Cardiovascular System: Blood Vessels

The Cardiovascular System: Blood Vessels. 19. Blood Vessels. Blood is carried in a closed system of vessels that begins and ends at the heart The three major types of vessels are arteries , capillaries , and veins Arteries carry blood away from the heart

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Comparative Structure of Artery and Vein Vessel Walls

Comparative Structure of Artery and Vein Vessel Walls. Arteries: 1. Tunica Interna a. Endothelium b. Basement membrane c. Internal elastic lamina 2. Tunica Media a. Smooth muscle b. External elastic lamina 3. Tunica Externa a. Connective tissue.

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Announcements

Announcements. Exams- Extra Credit - Lab 5 - Lymphatic System. Lecture Overview. Lymphatic System and Components What is lymph and how does it travel? General Immune Reaction- Inflammation What is one function of the cells carried in lymph? Selected Topics in Immunity. Lymphatic System.

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Structure of Blood Vessels

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Blood Vessels

Blood Vessels. Blood Vessels. Arteries, Veins and Capillaries. Arteries. Carry blood away from the heart Distribute nutrients Under high pressure Structure Tunica Intima : inner layer Tunica Media : thick layer of smooth muscle for blood pressure regulation

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Chapter 13 Blood Vessels & Circulation

Chapter 13 Blood Vessels & Circulation. Blood vessel anatomy. Three layers Tunica Interna : innermost layer Tunica Media : smooth muscle Tunica Externa : connective tissue; stabilization within tissues Vasoconstriction : arterial contraction; diameter decreases

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ORGAN & TISSUE LAYERS

ORGAN & TISSUE LAYERS. MUSCULARIS. LAYERS. SUBMUCOSA. MUCOSA. Tubes that secrete mucous. LUMEN. i e. Urethra Trachea Uterine Tube Digestive Tract. epithelial. c onnective tissue. s mooth muscle. Tunica Externa. LAYERS. Tunica Media. Tunica Interna.

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ORGAN & TISSUE LAYERS

ORGAN & TISSUE LAYERS. MUSCULARIS. LAYERS. SUBMUCOSA. MUCOSA. Tubes that secrete mucous. LUMEN. i e. Urethra Trachea Uterine Tube Digestive Tract. epithelial. c onnective tissue. s mooth muscle. Tunica Externa. LAYERS. Tunica Media. Tunica Interna.

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