Functions of the Lymphatic System

Vocabulary flashcards covering key concepts related to the lymphatic system.

afferent lymphatic vessel

Tube transporting lymphatic fluid into a lymph node.

anchoring filaments

Structures that prevent the collapse of lymphatic capillaries during tissue swelling.

appendix

Organ that stores and releases healthy intestinal bacteria and lymphocytes to filter out pathogens.

axillary lymph nodes

Lymph nodes that filter lymph fluid from the upper limb and breast.

capsule

Layer of connective tissue surrounding lymphatic organs (e.g., lymph node, thymus, spleen).

cervical lymph nodes

Lymph nodes that filter lymph fluid from the head and neck.

collecting duct

Tubes that receive lymph fluid from lymphatic trunks and send it to the blood.

collecting vessels

Tubes that transport lymph fluid from lymphatic capillaries to lymphatic trunks.

hilum

Region of an organ where blood vessels and nerves enter and exit.

inguinal lymph nodes

Lymph nodes that filter lymph fluid from the lower limb.

efferent lymphatic vessel

Tube transporting lymphatic fluid out of a lymph node.

intercellular clefts

Openings between endothelial cells of lymphatic vessels allowing tissue fluid entry.

lymph nodes

Small organs along lymphatic vessels that filter lymph fluid.

lymphatic capillaries

Small tubes that remove excess fluid from tissues; absent in cartilage and bone.

lymphatic trunks

Tubes that receive lymph from collecting vessels and send it to lymphatic ducts.

lymphatic vessels

Tubes in the lymphatic system that transport lymph fluid.

right lymphatic duct

Large tube receiving lymph fluid from the right upper body.

spleen

Organ that collects and monitors blood for foreign antigens, can produce new RBCs.

splenic artery

Blood vessel transporting blood into the spleen.

splenic vein

Blood vessel transporting blood out of the spleen.

thoracic duct

Large tube receiving lymph fluid from all body regions below the diaphragm.

thymus gland

Organ where T lymphocytes mature.

tonsil

Organ protecting the body against pathogens from inhaled air or ingested food.