You are performing a dissection and have discovered a fluid vessel, but you don’t know if it is from the cardiovascular system or from the lymphatic system. Finding which of the following features will confirm that this can only be a lymph vessel?
a. The presence of valves
b. The presence of three tunics (intima, media, and externa)
c. Designed to handle low fluid pressure
d. One-way flow of fluid
e. Presence of anchoring filaments f. Connection to the heart