Search results
Results from the WOW.Com Content Network
A lymph node showing afferent and efferent lymphatic vessels Regional lymph nodes. A lymph node is an organized collection of lymphoid tissue, through which the lymph passes on its way back to the blood. Lymph nodes are located at intervals along the lymphatic system.
Human lymph, obtained after a thoracic duct injury. Lymph has a composition similar but not identical to that of blood plasma. Lymph that leaves a lymph node is richer in lymphocytes than blood plasma is. The lymph formed in the human digestive system called chyle is rich in triglycerides (fat), and looks milky white because of its lipid content.
The next day, another set of X-rays may be taken. If a site of cancer (breast cancer or melanoma) is being studied to evaluate spreading, a mixture of blue dye and a radioactive tracer is injected next to the mass. [3] Special cameras detect the spread of tracer along lymph channels to outlying lymph nodes.
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Once the lymph enters the fully valved lymphatic vessels, it is pumped by a rhythmic peristaltic-like action by smooth muscle cells within the lymphatic vessel walls. This peristaltic action is the primary driving force moving lymph within its vessel walls. The sympathetic nervous system regulates the frequency and power of the contractions ...
Upgrade to a faster, more secure version of a supported browser. It's free and it only takes a few moments:
The concept of sentinel lymph node surgery is to determine if the cancer has spread to the very first draining lymph node (called the "sentinel lymph node") or not. If the sentinel lymph node does not contain cancer, then there is a high likelihood that the cancer has not spread to any other area of the body. [2]
In a Christmas Day update, Davis wrote that her daughter will be going through a third surgery soon. The money raised will help the family offset the cost of those surgeries, as well as treatment ...