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Blood and
Blood Vessels - Coggle Diagram
Blood and
Blood Vessels
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Blood
Structure
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Plasma
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Protein (8%)
fibrinogen, prothrombin,
albumin, immunglobins
Hormones, vit, lipids,
enzymes, gas, electrolytes
Functions
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Transport gas, waste,
hormones
Vessels
General features
Tunica Media
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Varying elastic, reticular fiber
and ground substance
Tunica Adventitia
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Connective tissue, with
collagen (except large veins)
merges with surrounding conn tissue
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Arteries
- smaller lumens
- thicker walls
- more distinct tunics
- Media thickest
Muscular (Medium)
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Media many smooth muscle
less elastic
Some collagen, elastic and ground
Adventitia Prominent EEL
separates media and adventitia
Collagen, fibroblasts, Elastic
fibers and ground substance
Vasa vasorum in larger vessels
Small and Arterioles
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Media smooth muscle:
3-8 layers vs 1-2 layers
Some collagen, elastic and ground
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Capillaries
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-
Sinusoidal tons of filtration
gaps, BM not continuous
Wider Lumen
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Veins
- Larger lumens,
thinner walls
- valves
- thick adventitia
- wall collapse easier
than arteries
Venules and Small
Intima no subendo, no IEL
Media 1-3 layers of smooth
some collagen, elastic fibers
and ground substance
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Medium
Media + 3 layers smooth muscle
some Coll, elastic, and ground subst
Adventitia well developed
EEL, not visible tho
Coll, elastic, ground subst
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Large
Media irregular smooth muscle
some coll, and ground subst
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Lymphatic Vessels
- valves, not much
pressure similar
to veins