Systems 1b Practical Anatomy- Cardiovascular Anatomy Lectures
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Systems 1b Practical Anatomy- Cardiovascular Anatomy Lectures - Marcador
Systems 1b Practical Anatomy- Cardiovascular Anatomy Lectures - Detalles
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17 preguntas
| 🇬🇧 | 🇬🇧 |
| What are the three types of capillaries | Continuous, fenestrated, discontinuous |
| Continuous capillaries | -normally in muscles -complete basal lamina -continuous epithelial lining |
| Fenestrated capillaries | -gaps between cytoplasm of the cell, in glands ect -complete basal lamina -fenostrated (gaps) endothelial lining |
| Discontinuous capillaries | -allows free passage of fluid and cells through them and found in liver ect -incomplete basal lamina -fenestrated endothelial lining |
| Sinusiods | -large diameter discontinuous capillaries and found where large amounts of exchange occur -T. intima contains phagocytic cells -in the liver, some endocrine glands |
| Capillary beds and arteriovenous shunts | Bypass capillary beds (eg in skin for thermoregulation) |
| Superficial veins | Thick walled and no support from surrounding tissue |
| Deep veins | Thin walled and surrounding support from deep fascia and muscles |
| Lymph capillaries | -lined by thin endothelium and absent/rudimentary basal lamina -capillaries are closed at one end -anchoring filaments (fine collagenous filaments link endothelium to surrounding tissue keeping lumen open) -do differentiate from blood capillaries look for RBC |
| What is the vasa vasorum | Vessels of the vessels- supply blood to blood vessels |
| What is the mediastinum cavity | Area in the chest between the two lungs and contsins the heart, part of the trachea, eosaphagus and the great vessels |
| What does the pulmonary trunk split into? | The right and left pulmonary arteries |
| What is situs inversus? | Dextrocardia (major orgns are mirrored and heart may point to the right) is a congenital condition |
| What type of epithelium is the epi and endocardium | Simple squamous epithelium |
| What type of valves are the aortic and pulmonary? | Semilunar valves |
| What is the serous pericardium | Epithelium that secrets pericardial fluid which acts as a lubricant (viseral and periatal pericardium) |