Other topics

Question 1

Thoracic duct receives lymph from

Answer 1

• Cisterna chyli
• Intercostal trunks
• Left jugular trunk
• Left subclavian trunk
• Left bronchomediastinal trunk

Question 2

Thoracic duct delivers lymph to __

Answer 2

Delivers lymph to vicinity of left venous angle

Question 3

Course of thoracic duct

Answer 3

Aortic hiatus @ T12

Ascends posterior mediastinum,

right lateral of esophagus

Crosses esophagus to left lateral near thoracic plane

Wraps posteriorly around left subclavian a.

Enters vicinity of left venous angle

Question 4

What is pulmonary circulation?

Answer 4

Pulmonary circulation moves blood between the heart and the lungs.

→ It transports deoxygenated blood to the lungs to absorb oxygen and release carbon dioxide.

→ The oxygenated blood then flows back to the heart.

Question 5

What is systemic circulation?

Answer 5

Systemic circulation moves blood between the heart and the rest of the b

Question 6

What is ostium?

Answer 6

The ostium, or opening, of the right coronary artery is in the right aortic sinus and that of the left coronary artery is in the left aortic sinus, just above the aortic valve ring.

Question 7

What is endocardium?

Answer 7

The endocardium is the innermost layer of the heart and lines the chambers and extends over projecting structures such as the valves, chordae tendineae, and papillary muscles.

Question 8

Describe the course of the right lymphatic duct

Answer 8

The right lymphatic duct travels on the medial edge of scalenus anterior.

→ The vessel then terminates in the right jugulo-subclavian junction.

→ Afferents to this vessel arise from the right jugular and subclavian trunks as well as from the right upper limb (lateral group of axillary nodes).

→ The right side of the heart, right lung, and the right sides of the head, neck and thorax also drain into the right lymphatic trunk.