Term
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Definition
Primary muscle for respiration
Vertebral column, ribs, and sternum are the bony attachments.
Separates Thorax and abdomen
Phrenic nerve C3,4,5. Keeps us alive. |
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Term
| What innervates all intercostal muscles? |
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Definition
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Term
| What structures communicate between the thorax and abdomen? |
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Definition
| The aortic hiatus and esophageal hiatus. |
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Term
| What is the normal way to breath? |
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Definition
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Term
| What is Dr. Anderson's favorite muscle? |
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Definition
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Term
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Definition
Origin: Iliac Crest, and iliolumbar ligament
Insertions: Last rib and transverse processes of lumbar vertebrae.
Innervation: 12th thoracic and lumbar nerves.
Action: Alone, lateral flexion of vertebral column; Together, depression of thoracic rib cage. Flexes ribs for forced expiration. |
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Term
| Explain the lobes of the lungs. |
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Definition
Right lung: 3 lobes separated by a horizontal fissure as well as an oblique fissure. Superior, middle, and inferior lobe.
Left lung has two lobes separated by an oblique fissure. |
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Term
| What happens to the left primary bronchi? |
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Definition
| divides into 2 lobar bronchi matching up to the two lobes of the left lung. |
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Term
| What happens to the right primary bronchi? |
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Definition
| Divide into 3 lobar bronchi for the three lobes of the right lung. |
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Term
| Explain how the trachea is accommodating |
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Definition
| It contains cartilaginous rings with gaps in the posterior part to allow movement during swallowing. This is the part where the esophagus is located. |
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Term
1. Where is the visceral pleura?
2. Where is the parietal pleura?
3. What is between the two? |
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Definition
1. visceral pleura is on the lungs
2. Parietal pleura is on the walls of the lungs.
3. The pleural cavity. |
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Term
1. Explain the anterior border of the lungs
2. Posterior border of lungs?
3. Costal surface of lungs? |
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Definition
1. it is a sharp turn from the costal surface to what is down the middle.
2. Next to the vertebral column
3. Large convex surface lying against the ribs. |
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Term
| What is the Hilus of the lungs? |
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Definition
| It contains blood, lymph and nerves |
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Term
| What type of nerves supply the lungs? |
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Definition
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Term
| Explain pulmonary circulation |
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Definition
Each Lung has a large pulmonary artery supplying blood to it, and and two pulmonary veins draining blood from it.
Right and left pulmonary arteries come from pulmonary trunk near the sternal anel and carry poorly oxygenated blood to the lungs for oxygenation.
within the lung, each artery descends posterolateral to te man bronchus and divides into lobar and segmental arteries.
Pulmonary veins, two on each side, carry welloxygenated blood from the lungs to the left atrium of the heart. |
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Term
| What do the bronchial arteries do? |
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Definition
| Supply blood for nutrition of the lung structures. |
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Term
| What is the Azygus venus system? |
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Definition
| A venus system with no valves that gahers up bigger and bigger and then goes to the superior vena cava. |
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