L8 - Lymphatics and Fetal Circulation

Question 1

What two structures allow for oxygenated blood from the placenta to bypass the fetal lungs?

Answer 1

The ductus arteriosus and the foramen ovale

Question 2

What are the adult remnants of the ductus arteriosus, ductus venosus, and foramen ovale?

Answer 2

Ligamentum arteriosum, ligamentum venosum, and the fossa ovalis

Question 3

What do the umbilical artery and vein become in an adult?

Answer 3

Medial umbilical ligament; round ligament of the liver

Question 4

What lymphatic structure receives lymph from the lower abdomen, pelvis, and lower limbs?

Answer 4

The cisterna chyli

Question 5

What lymphatic structure drains the right arm and the right side of the head? Where does it drain into?

Answer 5

The right lymphatic duct; the right subclavian vein

Question 6

What lymphatic structure drains all of the body besides the right arm and right side of the head? Where does it drain into?

Answer 6

The thoracic duct (from the cisterna chyli); the left subclavian vein