Blood vessels¶
| Artery | Veins | |
|---|---|---|
| Lumen | volume | high volume |
| Intima | endothelim + Connective tissue | valves + endothelium + connective |
| Media | Smooth muscle (thickest of all regions | Smooth muscles |
| Adventia | Dense irregular | (thickest region all regions)Dense irregular + smooth musles |
Elastic arteries vs Large Vein¶
| Elastic arteries | Large veins | |
|---|---|---|
| Wall size | thicker | thinner |
| Tunica intima | Endothelium + elastic fibre bundles | |
| Valves(over grown intima) | not present | present |
| Tunica Media | Smooth muscles and elastic fibres | few smooth muscles |
| Tunica Adventia | Densse irregular connective tissue + vasa vasorum, nervi vasorum | connective tissue andSmooth muscle |
Varicose vein
Malfunctioning venus valves leads to blood accumulation
Muscular Arteries vs Medium Veins¶
| Muscular arteries | Medium Arteries | |
|---|---|---|
| Lumen | round shape, volume lumen | not-rounded,large volume lumen |
| intima | endothelium + Connective tissue Onelayer of elastic | |
| fibre-bundle | endorhelim + CT | |
| Media | Thick smooth muscle 4-10 layers + one elastic fibre | |
| bundle | few layer of SM | |
| Adventia | Dense irregular Connective tissue + Nerves and Blood vessels | adventia |
| > Media |
Arterioles vs Venules¶
|----|----|----| |Lumen|rounded ,small volume |non-rounded,large volume| |Intima|Endothelium + loose Connective tissue|Endothelium + loose Connective tissue| |Media|1- 2 layes of SM = MOST IMPORTANT IN TPR due to surface area |one layer of smooth muscle| |Adventia|Dense irregular Connective tissue + Nerves | dense irregular connective tissue|