Exam 19: The Lymphatic System and Lymphoid Organs and Tissues

The simplest lymphoid organs are the lymph nodes.

Lymph capillary permeability is due to minivalves and protein filaments.

Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n) ________.

Large clusters of lymph nodes occur in all of the following locations except the ________.

Name the tonsils and state their body locations.

Lymphedema may occur as a complication after a radical mastectomy, in which lymph nodes have been removed. Explain why it might occur.

Match the following: -Isolated clusters of lymph follicles found in the wall of the small intestine.

Peyer's patches are clusters of lymphoid tissue found primarily in the large intestine.

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

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

Digestive tract-associated lymphatic tissue includes all of the following except ________.

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

Lymphatic ________ are formed from the union of the largest collecting vessels.

The thymus is most active during ________.

The lymphatic capillaries are ________.

The thymus is the only lymphoid organ that does not ________.

Figure 19.2 Using Figure 19.2, match the following: -Efferent vessels.

Figure 19.2 Using Figure 19.2, match the following: -Medullary cord.

Figure 19.1 Using Figure 19.1, match the following: -Entrance of thoracic duct into subclavian vein.

Lymphoid tissue is mainly reticular connective tissue.