ClickCease Lymphatic System Function – Dr. Morse's Herbal Health Club

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Lymphatic System Function

Lymphatic System Function

 

Unlike other body systems that are linked to a major organ or grouping of organs, lymph is everywhere. Lymphatic fluid is permeating throughout the body, slipping in between cell walls, and commingling in capillary beds. It is no surprise that lymphatic function is intrinsically intwined with immunity, as the two systems work together to maintain optimal health.

The lymphatic system is often overshadowed by the immune system, but not here at Doctor Morse’s! We are all about the lymphatic system, as it is a major system of elimination, comprises the majority of the body’s water, and is often the first system to send the alert when our defenses are compromised.

This blog and upcoming free live webinar are doing a deep dive into the lymphatic system. We’ll discuss how the system functions and connects to whole body health and detoxification, and how we can support lymphatic health with herbal formulas and wellness rituals.  

Immune System Physiology  

To fully understand the lymphatic system, we first look to the immune system, as this is the primary system in which lymphatic function is intricately intertwined. The immune system orchestrates responses to foreign microbes, relying on lymphatic vessels to transport immune cells, antibodies, and other defense mechanisms throughout the body. 

The immune system comprises cells, tissues, and organs distributed throughout the body. While it lacks a singular location, it operates through three primary barriers dedicated to safeguarding us daily. These barriers, all part of the innate immune system, serve to prevent the entry of foreign substances or potential threats and are present at our interfaces with the external environment: the integumentary system (skin), respiratory system (lungs), and digestive system (stomach/gut). 

Immune Barrier Breakdown 

  1. The skin, our first barrier, is a literal physical barrier of protection.
  2. Mucus (snot) is produced by mucous membranes in the tissue that lines the nose, throat, bronchial passages, and gut.  
  3. Immune Cells are a variety of cells with different protective functions. 

Our immune system has two operating systems, our innate or nonspecific immune response and our adaptive or acquired immune response. We are born with our innate immune system, which is made up of the 3 barriers previously discussed, acting as the body's first line of defense against foreign substances. The lymphatic system plays a crucial role in the innate immune response by carrying lymph, which contains immune cells and waste products, to lymph nodes where foreign microbes are identified and destroyed. 

Innate immune cells:  

  • Neutrophils 
  • Mast cells 
  • Macrophages 
  • Natural killer cells 

In contrast, the adaptive immune system is highly specific and develops over time in response to exposure to specific foreign microbes. It involves the production of antibodies by B cells and the activation of T cells, which target and eliminate foreign microbes recognized by the immune system. The lymphatic system supports the adaptive immune response by transporting lymphocytes, specialized immune cells, throughout the body and facilitating their communication and interaction with other immune cells in lymphoid tissues and organs such as lymph nodes and the spleen.  

Lymphatic System Physiology  

The lymphatic system has 3 major functions:  

1. Cellular Highway  

The lymphatic system delivers large molecules like metabolic cellular waste, damaged cells, destroyed bacteria, dietary fats from the gastrointestinal tract, and hormones like progesterone to the bloodstream for metabolism or storage. 

This cellular highway is the primary focus of Doctor Morse’s detoxification campaign; the lymphatic system is a major pathway of elimination. Lymph fluid moves metabolic cellular waste and destroyed bacteria out of the interstitial spaces in our tissues back into general circulation to be removed by the liver and kidneys. Lymph travels through all major organs to collect this cellular debris, making lymph a detoxifier for your detox organs, like the liver, GI, kidneys and lungs. 

2. Fluid homeostasis 

The lymphatic system moves fluids from tissues throughout the body to the heart to reenter circulation. 

The lymphatic system maintains fluid homeostasis which helps to maintain normal blood pressure. As fluid in the body accumulates in capillary beds – where oxygenated blood from the heart is delivered to the cells of the body – lymphatic capillaries are present to mop up excess interstitial fluid and return it to general circulation. 

3. Immune Signaling 

The lymphatic system is a transport pathway for immune cells. Lymph nodes survey the lymph fluid picked up from the capillary beds looking for anything unfamiliar.   

On its way back to the heart, lymphatic fluid passes through lymphatic nodes to be screened by lymphocytes for microorganisms. Once a foreign organism is detected, the lymph signals immune cells and the inflammatory response. 

Break it Down 

Lymphatic fluid is 96% water, making it one of the major storehouses of the 60% water content in the average human body. When comparing micro to macro – our body to the earth body - The lymphatic system is laid out like a river system, with smaller tributaries giving way to larger streams and rivers, eventually dumping back into the ocean.  

Lymphatic fluid is transported from tiny lymphatic capillaries into lymphatic vessels which flow to lymphatic nodes, where most of the action happens. After lymph is screened in the nodes it continues to travel upward to one of two terminal ducts, where lymph fluid is dumped back into general circulation. Like with any natural watershed, optimal environmental conditions are necessary for the lymphatic fluid system to function properly: quality, shape, flow, and connectivity. 

Lymphatic Capillaries and Lymph Fluid 

Of the 20 liters of blood plasma that pass from the arteries to the veins via capillary beds each day, only 17 liters return to venous circulation. The remaining three liters becomes lymphatic fluid.  

Excess interstitial fluid present in capillary beds (of which there are an estimated 10 billion capillary beds in the body) passes through the single layer of overlapping endothelial cells that makes up the lymphatic capillary membrane and becomes lymphatic fluid.   

Lymph fluid “is a collection of the extra fluid that drains from cells and tissues...plus other substances. The other substances include proteins, minerals, fats, nutrients, damaged cells, cancer cells and foreign invaders (bacteria, viruses, etc). Lymph also transports infection-fighting white blood cells (lymphocytes).” ~ Cleveland Clinic, 02/23/2020 

Lymphatic Vessels  

Similar to the venous system, lymphatic vessels do not have a pump, and the transport of lymphatic fluid from the capillary beds back to the circulatory system is a long, uphill journey. Like blood vessels, lymph vessels are segmented with a series of valves that allow for lymph to flow unidirectionally towards the heart.  

Because lymph vessels do not have a pump, lymph flows from one chamber to the next using the pressure of skeletal movement (walking, exercise, dancing), respiration, and smooth muscle contractions. Read on to learn about helpful therapeutics for moving lymph.  

Lymphatic Nodes  

There are four main lymphatic nodes throughout the body: the axillary lymph nodes in the armpits, the cervical lymph nodes in the neck, the inguinal lymph nodes in the groin, and the mediastinal lymph nodes in the chest cavity. These nodes filter lymphatic fluid looking for unwanted organisms.  

The nodes are gatekeepers in a sense as "inside the lymph nodes are white blood cells [B cells & T cells], also called lymphocytes. These white blood cells attack and break down bacteria, viruses, damaged cells or cancer cells (Macmillan.org.uk).” Therefore, any unwanted organism that has traveled out of the blood into lymphatic circulation is targeted and destroyed in these nodes. 

Lymphatic Ducts  

The left and right lymphatic ducts are the final frontier of the lymph system, as this is where processed lymphatic fluid is dumped back into general blood circulation. The right lymphatic duct empties everything from the upper right torso, the right side of the head, and right arm into the right subclavian vein. The larger thoracic duct empties lymph from the entire rest of the body. These ducts operate under very low pressure and like lymphatic vessels, they have a series of valves that prevent backflow. 

Lymphatic Organs  

The lymphatic system is an organ system, having primary and secondary organs that all contribute to the function of the system as a whole. The two primary (central) organs are the thymus gland and bone marrow, and the secondary (peripheral) organs are the spleen, and lymph nodes such as the tonsils and adenoids. 

The Thymus Gland is a small butterfly shaped glad that rests under the sternum that produces T-lymphocytes or T-cells. As a T-cell generator, it is also connected to the endocrine system, communicating with the pituitary gland to produce thymosin, a hormone necessary for the production of T-lymphocytes. It is quite large in infants and after puberty it begins to shrink.  

Red Bone Marrow Lymphoid tissue found in all lymphatic organs is largely made up of lymphocytes, (B & T cells). These infection fighting cells develop from lymphoblasts in red bone marrow and make their way to all primary lymphatic organs: the spleen, thymus gland, and lymph nodes (tonsils & adenoids). 

The Spleen is the largest organ of the lymphatic system and is tucked just beneath the diaphragm under the left lung.  

“Lymphocytes in the spleen react to pathogens in the blood and attempt to destroy them. Macrophages then engulf the resulting debris, the damaged cells, and the other large particles. The spleen, along with the liver, removes old and damaged erythrocytes from the circulating blood. Like other lymphatic tissue, it produces lymphocytes, especially in response to invading pathogens.” ~ National Cancer Institute 

The Tonsils (nodes) are a ring of lymphatic tissue just under the mucous membrane of the nose, mouth and throat. They are one of the first lines of defense for our immune system, as Lymphocytes and macrophages signal an immune response when they detect any unfamiliar organisms, and cause inflammation.   

The Adenoid gland is in the upper airway just behind the nasal cavity. This gland functions much like the tonsils as a first line of defense against infection. It shrinks with age and by adulthood is completely gone.  

The Lymphatic System and Elimination 

Unwanted organisms and microbes enter the body in various ways: through the respiratory tract from the air we breathe, through the digestive tract on the food we eat, and into the blood stream from breaks in the skin. Lymph is there to absorb, scan, neutralize, and remove this cellular waste before it can cause us any harm. It does this constantly; it’s doing it right now. Pretty amazing! 

Thus, the lymphatic system is a major organ of elimination, and as such, it has an entire series of Doctor Morse's detoxification formulas dedicated to supporting its proper function, Lymphatic drainage formulas. Doctor Morse's refers to the lymph nodes as the septic tanks and the lymph vessels as the sewer system of the body. This is because it is the lymph's job to gather up cellular and metabolic waste that accumulates in interstitial spaces throughout the body, screen and filter it, and carry it back to the blood stream so that it can be removed by the liver and kidneys.* 

All processed lymph is pumped back into general circulation by the heart, and travels through the bloodstream to the liver and kidneys for elimination. Doctor Morse's detoxification strategy supports these three systems in unison: the liver with our GI Formulas, the urinary system with our Kidney’s & Bladder formulas and the lymphatic system with our Lymphatic Drainage formulas. These three systems are integral, and when one gets compromised, the entire system gets backed up. Have you ever had a septic system fail? If yes, then you get the picture.* 

Doctor Morse's recommends that these formulas be taken together to support the healthy processing, flow, and elimination of waste from the body. The Daily Detox kit includes Kidneys & Bladder Daily, Lymphatic Drainage Daily, GI Daily, and Endocrine Daily.*  

Of course, the lungs and skin are also organs of elimination, which is why Doctor Morse's offers Liver/Skin and Lung Detox, both of which are included in our Ultimate Detox Kit.* 

*FDA warning: This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. 

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