How can we help?

You can also find more resources in our Help Center.

16 terms

Anatomic terms in the lymphatic system

STUDY
PLAY
thymus
primary gland of the lymphatic system, located within the mediastinum, that helps to maintain the body's immune response by producing T lymphocytes
spleen
organ between the stomach and the diaphragm that filters out aging blood cells, and provide an environment for lymphocytes to initiate immune response
lymph
fluid that is circulated through the lymph vessels
lymph capillaries
microscopic vessels that draw lymph from tissues to the lymph vessels
lymph vessels
vessels that receive lymph from the lymph capillaries and circulate it to the lymph nodes
lacteals
specialized lymph vessels in the small intestine that absorb fat into the bloodstream (lacteus=milky)
chyle
white or pale yellow substance in lymph that contains fatty substances absorbed by the lacteals
lymph nodes
many small, oval structures that filter lymph from the lymph vessels; major locations include the cervical, axillary, and inguinal regions
lymph ducts
collecting channels that carry lymph from the lymph nodes to the veins
right lymphatic duct
receives lymph from the right upper part of the body
thoracic duct
receives lymph from the left side of the head, neck, chest, abdomen, left arm, and lower extremities
immunity
process of disease protection induced by exposure to an antigen
antigen
a substance that, when introduced into the body, causes the formation of antibodies against it
antibody
a substance produced by the body that destroys or inactivates an antigen that has entered the body
active immunity
a long-lasting immunity that results from stimulating the body to produce its own antibodies; developed either naturally, in response to an infection, or artificially, in response to the administration of a vaccine
passive immunity
a short-lasting immunity that results from foreign antibodies that are conveyed either naturally, through the placenta to a fetus, or artificially, by injection of a serum containing antibodies