Lymphatic system | NMDCAT 2021

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About This Video ........................
In This Video Lecture You Will Learn Basic Concept Of Lymphatic System
This system is responsible for the transport and returning of materials from the tissues of the body
In the intestine, the branches of lymph capillaries, within villi, are called lacteals.
The low of lymph is maintained by :
Activity of skeletal muscles, movement of viscera, breathing movements and the valves, which
vascular system. So larger molecules, from the interstitial luid can also enter the lymph capillaries.
node, which is drained by a single, eferent lymph vessels.
Along the pathway, the lymph vessels have, at certain points, masses of connective tissue where
The system comprises lymph capillaries, lymph vessels, lymphoid masses, lymph nodes, and lymph
in transit between interstitial luid and the blood.
the luid which lows in the system.
Lymph capillaries end blindly in the body tissues, where pressure from the accumulation of
interstitial luid or extracellular luid forces the luid into the lymph capillaries. When this luid
enters the lymph capillaries, it is called lymph. The lymph vessels empty in veins; so lymph is a luid
Lymph capillaries join to form larger and larger lymph vessels; and ultimately form thoracic lymph
prevent back low of lymph.
to the blood.
Lymph nodes are present in the neck region, axilla and groin of humans.
lymphocytes are present; these are lymph nodes. Several aferent lymph vessels enter a lymph
In addition, several lymphoid masses are present in the walls of digestive tract, in the mucosa and
The intercellular spaces in the walls of lymph vessels are larger than those of the capillaries of blood
submucosa. The larger masses spleen and thymus, tonsils and adenoids are all lymphoid masses.
duct, which opens into subclavian vein. The low of lymph is always towards the thoracic duct.
These produce lymphocytes.
About This Channel.....................
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