Final answer:
The term 'lymphoid' combines the provided information and describes tissues resembling or related to the lymphatic system, particularly in the context of immune responses.
Step-by-step explanation:
The term that can be built using the information provided is lymphoid, which refers to resembling or related to the lymph or lymphatic system. The suffix '-oid' means resembling or like, and the prefix 'lymph(o)-' refers to the lymphatic system. Thus, lymphoid tissues are those that resemble or pertain to the lymphatic system, often involved in immune responses and containing a high number of lymphocytes.