Lymphatic System - General Structures

Question 1

The structure that produces B and T-cells, and matures T-cells.

Answer 1

Bone marrow

Question 2

Oval-shaped masses that are found singularly or in clusters. They are smaller than lymph nodes and do not contain capsules.

Answer 2

Lymphatic nodules

Question 3

Similar to the major vessels of the cardiovascular system, these vein-like structures have two subtypes.

Answer 3

Lymphatic ducts

Question 4

Clusters of lymph nodes at the base of the pharynx which contain deep pits called crypts which hold food debris, bacteria, and white blood cells.

Answer 4

Tonsils

Question 5

Located in the mediastinum and neck region, this structure is largest in children and those going through puberty, then degenerates with age.

Answer 5

Thymus

Question 6

This structure has a minor role in immunity because it stores good bacteria.

Answer 6

Appendix

Question 7

This structure is the largest lymphatic organ, located below the diaphragm, behind the ribs, and above the stomach on the left side of the abdomen.

Answer 7

Spleen

Question 8

This structure is a reservoir and filter for blood.

Answer 8

Spleen

Question 9

A collection of GALT that contains mostly T-cells but have germinal center of B-cells and macrophages.

Answer 9

Peyer’s patches