Exam 19: The Lymphatic System and Lymphoid Organs and Tissues

The lymphatic capillaries are .

What is the special role of the thymus gland?

Describe the mechanisms by which lymphatic fluid is moved through the lymphatics.

Hassall's corpuscles are always found in the lighter- colored _ regions of the thymus.

The pulp of the spleen forms cuffs around the central arteries.

Which cells become immunocompetent due to thymic hormones?

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

Lymph leaves a lymph node via .

Which of the following is not a normal component of lymph?

Which of the following are functions of lymphoid tissue?

Small organs associated with lymphatic vessels are termed .

The tonsils located at the base of the tongue are the .

The thoracic duct of the lymphatic system empties into the .

The distal portion of the small intestine contains clumps of lymph follicles called .

Describe the structural and functional relationship of the vessels of the blood vascular system and the lymphatic system.

The are the simplest lymphoid organs and are found at the entrance to the pharynx.

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

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

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

Which of the following is not a function of the lymphatic system?