Notes in 1- Lymphatic System

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Published	02/10/2024	Functions of lymphatic system:• Tissue drainage • Return of plasma and plasma proteins • Absorbed fat transport from gut • Immunity
Published	02/10/2024	Plasma escapes from the capillary beds due to {{c2::hydrostatic pressure}} then it goes into the Lymphatic capillaries where it is called {{c1::Lymph}…
Published	02/10/2024	Composition of Lymph- {{c1::Fluid}}- {{c1::Plasma proteins}}- {{c1::Fats}} → added in small intestine- {{c1::Lymphocytes}} → added during flow
Published	02/10/2024	• Lymphatic flow is similar to Venous flow, relying upon muscle contraction, pressure changes and gravity. Flow direction is {{c1::Unidirect…
Published	02/10/2024	{{c1::Lymph Nodes}} are secondary lymphoid tissue, situated along the course of lymphatic capillaries, they have a 0.1-2.5 cm diameter, about 450 are …
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Published	02/10/2024	Deep Lymph NodesLymph nodes and vessels are located around arteries and they drain back into certain areas of the arteries. (picture)450 nod…
Published	02/10/2024	Superficial Lymph Nodes:Lymph vessels drain back into a group of Lymph Nodes called {{c1::Inguinal nodes}}→ located around the femoral triangle a…
Published	02/10/2024	Lymph node pathology• Primary tumours ({{c1::lymphomas}}) → Hodgkin’s • Secondary tumours → metastasis from other sites • Infections such as tuberculo…
Published	02/10/2024	Drainage route: (deep lymphatic drainage follows routes of arterial supply)Head & neck → nodesUpper limbs → Axillary nodesLower limbs → Ingui…
Published	02/10/2024	Fat transport from gut:• Lymph returning from the small intestine is laden with absorbed fats, which will also drain to the SVC and eventually to the …
Published	02/10/2024	Lymphoid tissues → generation and maturation of lymphocytes:Primary lymphoid organs → {{c1::Thymus}} and {{c1::Bone marrow}}.Secondary lymphoid o…
Published	02/10/2024	The {{c1::spleen}} is the largest lymphatic organ.Location → Upper left quadrant of abdomen (peritonised)• Contains large amount of blood, routinely d…
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Published	02/10/2024	Describe this diagram
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