Lymphatic drainage of body : easy description

Lymphatic drainage of body

What is Lymph?

Ans : Tissue fluid which came out from capillary and enters in the lymphatic capillary is known as lymph.

They contain macromolecules of colloid like protein, carbondioxide, cancer cells, bacteria etc.

Cisterna chili: it is a dilated lymphatic sac situated in front of L1-2. Collect lymph from abdomino-pelvic organs. It is continued above as thoracic duct

Lymph vessels	Collect lymph	Drain lymph into the	Number
Lymph capillary: they begin blindly in the tissue space around the blood capillaries	LC collect lymph from tissue space	Afferent lymph vessels	Many
Afferent lymph vessels	Collect lymph from lymph capillary	Adjacent lymph node	Many & located around  the capsule of lymph node
Efferent lymph vessels	Collect lymph from lymph node	Drain lymph into terminal lymphatic ducts	One in number, exit  lymph node through in hilum
Terminal lymphatic duct : two in number
i) right lymphatic duct	Collect lymph from right side of head and neck, right upper limb & chest	Drain lymph into the venous system at the junction between right  internal jugular vein and rt subclavian vein
ii) thoracic duct	Collect lymph from whole body except right side of head and neck, right upper limb & chest	Drain lymph into the venous system at the junction between left internal jugular vein and left subclavian vein