Exam 21: The Lymphatic and Immune Systems

Duct of the lymphatic system that drains the body's entire lower half.

In the spleen, lymphoid tissue is confined to the

The muscular ________of the lymphatic vessels contract(s) to help propel the lymph.

The ________ is the site of T cell maturation.

The thoracic duct is present in only about 20% of people.

A bubo is

The largest lymphoid organ is the

Which of the following is not a part of MALT?

Large lymphatic vessel that, if present, is comprised of the right subclavian trunk, right jugular trunk and right bronchomediastinal trunk.

In humans, T lymphocytes originate in

The HIV that causes AIDS infects immune cells that have the surface protein called ________.

Tumor-like lesions of the skin and some internal organs caused by a type of herpesvirus describes ________.

Masses of lymphoid tissue within a lymph node.

The distal region of the small intestine contains clumps of lymph follicles called

Lymph leaves a lymph node via

The thymus is the only lymphatic organ that does not directly fight antigens.

Use the diagram above to answer the following questions. -Identify the letter that indicates collagen fibers that anchor lymphatic capillaries to surrounding connective tissue.

Blind-end invaginations of tonsil epithelium that trap bacteria and particulate matter.

The tonsils located just behind the openings of the pharyngotympanic tubes in the pharynx are the ________ tonsils.

If lymphatic vessels are surgically removed, the resulting edema is permanent because these vessels cannot regenerate.