Lymphatic System

Question 1

Lymphatic fluid and where it is derived from

Answer 1

Lymph derived from interstitial fluid

Question 2

Where are lymphatic capillaries not found

Answer 2

Bone marrow and avascular tissues (epithelia and cartilage)
CNS

Question 3

Where is lymph found

Answer 3

Lymphatic capillaries

Question 4

Function of lymphatic capillaries

Answer 4

Connect arteries and veins

Question 5

Lymph in small intestines

Answer 5

Called Chyle

Question 6

Why is lymph called chyle in SI

Answer 6

Chylomicrons (protein coated lipid droplets)

Question 7

What are lymphatic capillaries called in SI

Answer 7

Lacteal

Question 8

How are lymphatic vessels different from small veins

Answer 8

Have semilunar valves which prevent backflow

Question 9

What generates the movement of lymph in lymphatic vessels

Answer 9

Indirect action of adjacent structures

Question 10

Where do capillaries leave at lymph nodes

Answer 10

Hilum

Question 11

Lymphatic organs

Answer 11

Primary- bone marrow and thymus
Secondary- spleen, tonsil and MALT

Question 12

Lymph nodes

Answer 12

Cervical (IJV)
Axillary
Tracheal
Deep
Pericranial ring
Inguinal
Femoral

Question 13

What do lymphatic vessels form

Answer 13

Trunks or ducts

Question 14

Where do vessels drain to

Answer 14

Venous drainage in the neck

Question 15

Venous drainage in the neck

Answer 15

IJV joins subclavian to form branchiocephalic vein

Question 16

Where does thoracic duct carry lymph from

Answer 16

Two lower limbs,left upper limb, left thorax,left side of head and neck,abdomen

Question 17

Where does thoracic duct receive lymph

Answer 17

Cristerna chyli

Question 18

Origin of thoracic duct

Answer 18

Ascends through abdomen,pass through diaphragm
Ascends through thorax,lies more on the left
Enters vs between left IJV and left subclavian to form left branchiocephalic