Lymph node:-

*Most prominent in inguinal and axillary regions

*Major function is lymph filtration and phagocytosis of foreign material from lymph.

*Exhibit an outer dark-staining cortex and a inner light -staining medulla.

*Afferent lymph vessels with valves penetrate the capsule and enter subcapsular sinus.

*Medullary Cord in medulla contain plasma cells, macrophages and lymphocytes

*Medullary sinuses are capillary channel that drain lymph from cortical regions .

*Efferent lymphatic vessels drain lymph from Medullary sinuses to exit at the hilus.

Deeper region of the cortex is the paracortex accupied by T cells.

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