Exam 20: The Lymphatic System and Lymphoid Organs and Tissues

Figure 20.1Using Figure 20.1, match the following: -Entrance of thoracic duct into subclavian vein.

Figure 20.1Using Figure 20.1, match the following: -Thoracic duct.

Match the following: -Small organs intimately associated with lymphatic vessels.

Lymphoid tissue is mainly reticular connective tissue.

Which lymphatic structure drains lymph from the right upper limb and the right side of the head and thorax?

Figure 20.1Using Figure 20.1, match the following: -Lymphatic collecting vessels.

All the lymphoid organs are well developed before birth.

Figure 20.1Using Figure 20.1, match the following: -How does the lymphatic system both help and hinder the spread of cancer through the body?

The lymphatic capillaries are .

Lymph capillaries are absent in all except which of the following?

The cisterna chyli collects lymph from the lumbar trunks draining the upper limbs and from the intestinal trunk draining the digestive organs.

The lymphatic capillaries function to absorb the excess protein- containing interstitial fluid and return it to the bloodstream.

Highly specialized lymph capillaries called _ are present in the villi of the intestinal mucosa.

Peyer's patches are found in the .

Figure 20.2Using Figure 20.2, match the following: -Medullary cord.

How does the structure of a lymph node allow lymphocytes and macrophages to perform their protective function?

What is the special role of the thymus gland?

Figure 20.2Using Figure 20.2, match the following: -Cortex.

Antibodies that act against a particular foreign substance are released by .

Figure 20.1Using Figure 20.1, match the following: -What is the consequence of obstruction of the lymphatics?